Connect Tech DFlex-4/104 manual

DFlex-4/104 User's Manual, ver. 0.04 Connect Tech Inc. “Meeting your objectives ... by design” DFlex-4/104 Multi-port Serial Communications Adapter User Manual Connect Tech Inc 42 Arrow Road Guelph, Ontario N1K 1S6 Tel: (519) 836-1291 1-800-426-8979 Fax: (519) 836-4878 Email: sales@connecttech.com FTP: ftp.connecttech.com URL: http://www.c[...]

DFlex-4/104 User's Manual, ver. 0.04[...]

W a r r a n t y i DFlex-4/104 User's Manual, ver. 0.04 LIMITED WARRANTY Connect Tech Inc. warrants to the original purchaser of this Connect Tech hardware product that it is to be in good working order for a period of one year from the date of purchase from Connect Tech Inc. or an authorized Connect Tech dealer. Should this product, in Connect[...]

ii Copyright/Trademarks DFlex-4/104 User's Manual, ver. 0.04 Copyright Notice The information contained in this document is subject to change without notice. Connect Tech shall not be liable for errors contained herein or for incidental consequential damages in connection with the furnishing, performance, or use of this material. This document[...]

Certification iii DFlex-4/104 User's Manual, ver. 0.04 Certification DFlex-4/104 The DFlex-4/104 is to be included into a device ultimately subject to FCC, DOC/IC, and CE certification. The customer is responsible for bringing the completed device into compliance prior to resale.[...]

DFlex-4/104 User's Manual, ver. 0.04[...]

C o n t e n t s v DFlex-4/104 User's Manual, ver. 0.04 Table of Contents Chapter 1: Introduction Introduction ................................................................................. 1-1 Manual Overview ........................................................................ 1-1 Conventions & Symbols ..............................[...]

vi Contents DFlex-4/104 User's Manual, ver. 0.04 Chapter 4: Appendices Appendix A: Specifications ........................................................ 4-1 Operating Environment ...................................................... 4-1 Power Requirements........................................................... 4-1 PC Bus Interface ......[...]

C o n t e n t s v i i DFlex-4/104 User's Manual, ver. 0.04 List of Tables Table 1: Typical port address usage............................................ 2-2 Table 2: Port address settings...................................................... 2-5 Table 3: Baud rates ................................................................... 2-14 Table[...]

DFlex-4/104 User's Manual, ver. 0.04[...]

DFlex-4/104 User's Manual, ver. 0.04 Chapter 1: Introduction Introduction ................................................................................. 1-1 Manual Overview ........................................................................ 1-1 Conventions & Symbols ..................................................... 1-2 Product [...]

DFlex-4/104 User's Manual, ver. 0.04[...]

Chapter 1: Introduction 1-1 DFlex-4/104 User's Manual, ver. 0.04 Introduction This section contains an overall description of the DFlex-4/104 manual, the DFlex-4/104 product, Connect Tech 's technical services, Return Merchandise Authorization and warranty repair policies. The organization of the information is as follows:  Manual Over[...]

1-2 Chapter 1: Introduction DFlex-4/104 User's Manual, ver. 0.04 Conventions & Symbols This manual uses the following conventions:  In most cases the font for file names and command statements is Arial Narrow Bold 9 point . An example is: DEVICE=DFLEX.SYS p=200 p=208 p=210 p=218  Note: the "Note" convention informs you of i[...]

Chapter 1: Introduction 1-3 DFlex-4/104 User's Manual, ver. 0.04 Product Overview The DFlex-4/104 adapters are high performance multi-port serial adapters in a PC/104 form factor that allow you to connect up to 4 serial devices. Your DFlex-4/104 product consists of the following components:  DFlex-4/104 adapter  DFlex-4/104 DOS device dr[...]

1-4 Chapter 1: Introduction DFlex-4/104 User's Manual, ver. 0.04 Figure 1 shows the locations of various hardware components of the DFlex-4/104 adapter. Figure 1: DFlex-4/104 adapter Port co nnectors SLIM sockets Quad UART Power co nnector PC/104 bus connector IRQ jumper b lock (J2) 9/2 10 Maximum ba ud rate jumper block (J1) 11 Por t/I RQ a d[...]

Chapter 1: Introduction 1-5 DFlex-4/104 User's Manual, ver. 0.04 Figure 2: DFlex-4/104 - 16 port configuration Host Syste m T erm i na l s Termina ls Termina ls Termina ls DFlex-4/104 DFlex-4/104 DFlex-4/104 DFlex-4/104 9 / 2 10 11 9 / 2 10 11 9 / 2 10 11 9 / 2 10 11[...]

1-6 Chapter 1: Introduction DFlex-4/104 User's Manual, ver. 0.04 DFlex-4/104 Software To install your DFlex-4/104 adapter under different operating systems see Chapter 3: Software Installation . Customer Service Overview If you experience difficulties after reading the manual and using the product, contact the Connect Tech reseller from which [...]

Chapter 1: Introduction 1-7 DFlex-4/104 User's Manual, ver. 0.04 Figure 3: Problem summary sheet Problem Description Connect Tech Product Description Product: Revision no.: Product serial no.: No. of serial ports: IRQ selected: Base address selected: I/O port address selected: Device driver: Revision no.: System Description Operating system: R[...]

1-8 Chapter 1: Introduction DFlex-4/104 User's Manual, ver. 0.04 We offer three ways for you to contact us: Mail/Courier You may contact us by letter and our mailing address for correspondence is: Connect Tech Inc. c/o Customer Service 42 Arrow Road Guelph, Ontario Canada N1K 1S6 Email/Internet You may contact us through the Internet. Our addr[...]

Chapter 1: Introduction 1-9 DFlex-4/104 User's Manual, ver. 0.04 RMA Overview Connect Tech products requiring warranty or non-warranty repairs need an RMA number. To obtain a Return Merchandise Authorization (RMA) Number please contact: Connect Tech Inc. Technical Support 42 Arrow Road Guelph, Ontario Canada N1K 1S6 Phone: (519) 836-1291 Toll [...]

DFlex-4/104 User's Manual, ver. 0.04[...]

DFlex-4/104 User's Manual, ver. 0.04 Chapter 2: Hardware Installation Introduction ................................................................................. 2-1 Configuration .............................................................................. 2-1 Port Addresses ................................................................[...]

DFlex-4/104 User's Manual, ver. 0.04[...]

Chapter 2: Hardware Installation 2-1 DFlex-4/104 User's Manual, ver. 0.04 Introduction Hardware installation involves configuration of the DFlex-4/104 adapter. The following sections detail how to change the field configurable parameters. The setting of these will depend on both the number of boards you are installing and the existing configur[...]

2-2 Chapter 2: Hardware Installation DFlex-4/104 User's Manual, ver. 0.04 Port Addresses Port addresses are configured with the DIP switch block SW1 situated near the PC/104 bus connector on the DFlex-4/104 adapter. DIP switches 1, 2, and 3 select a set of port addresses for the ports while DIP switch 6 enables or disables a specific status po[...]

Chapter 2: Hardware Installation 2-3 DFlex-4/104 User's Manual, ver. 0.04 Status Port Addresses Some operating system device drivers can utilize an Interrupt Status Port, for example Windows NT offers it as an option and for SCO Unix it is mandatory. This can improve your system’s efficiency. The DFlex-4/104 offers a status port and this por[...]

2-4 Chapter 2: Hardware Installation DFlex-4/104 User's Manual, ver. 0.04 Custom Port Addresses You can generate other port addresses by making changes to the PALs found on the DFlex-4/104 adapter. If you require specific port addresses not listed in Table 2 please contact the Connect Tech sales department for further information. Figure 4: Po[...]

Chapter 2: Hardware Installation 2-5 DFlex-4/104 User's Manual, ver. 0.04 Table 2: Port address settings DIP switch Ports 1 2 3 1 2 3 4 Status off off off 2F8 3F8 340 348 350 off off on 300 308 310 318 320 off on off 280 288 290 298 2A0 off on on 240 248 250 258 260 on off off 200 208 210 218 220 on off on 190 198 1A0 1A8 1B0 on on off 140 148[...]

2-6 Chapter 2: Hardware Installation DFlex-4/104 User's Manual, ver. 0.04 Interrupt Selection You can configure an interrupt request line (IRQ) with the jumper block J2 and DIP switches 4 and 5 on switch block SW1 situated near the PC/104 bus connector on the DFlex-4/104 adapter. Please refer to Figure 5 for a description and location of the j[...]

Chapter 2: Hardware Installation 2-7 DFlex-4/104 User's Manual, ver. 0.04 You are able to configure the DFlex-4/104 adapter for three different IRQ modes. ■ Mode 1 (one IRQ) : all ports interrupting on one IRQ ■ Mode 2 (two IRQs) : odd ports (ports 1 and 3) interrupt on one IRQ and even ports (ports 2 and 4) interrupt on another IRQ ■ Mo[...]

2-8 Chapter 2: Hardware Installation DFlex-4/104 User's Manual, ver. 0.04 Examples: 1. The following example shows the settings on J2 and SW1 so that all ports will interrupt on the factory setting of IRQ 4. IRQ jumper block 3 5 7 9/2 4 6 10 12 14 15 11 B A D C J2 IRQ Port addre ss swit ch b lo ck ON 1 26 SW 1 34 IRQ sw itc h es 5 Off 2. The f[...]

Chapter 2: Hardware Installation 2-9 DFlex-4/104 User's Manual, ver. 0.04 Mode 2 (two IRQs) Mode 2 allows you to select one IRQ for ports 1 and 3, and another IRQ for ports 2 and 4. Please follow these steps to choose this mode: 1. Choose an available IRQ for ports 1 and 3 and an available interrupt for ports 2 and 4 . 2. Make sure that switch[...]

2-10 Chapter 2: Hardware Installation DFlex-4/104 User's Manual, ver. 0.04 Examples: 1. The following example shows the settings on J2 and SW1so that ports 1 and 3 will interrupt on IRQ 7 and ports 2 and 4 will interrupt on IRQ 12. IRQ jumper block 3 5 7 9/2 4 6 10 12 14 15 11 B A D C J2 IRQ Port address switch blo ck ON 1 26 SW1 Off 3 4 IRQ s[...]

Chapter 2: Hardware Installation 2-11 DFlex-4/104 User's Manual, ver. 0.04 Mode 3 (four IRQs) Mode 3 allows you to select a unique IRQ for each port. Please follow these steps to choose this mode: 1. Choose available and unique IRQs for ports 1, 2, 3 and 4. 2. Make sure that switch block SW1 has DIP switch 4 in the off position and DIP switch [...]

2-12 Chapter 2: Hardware Installation DFlex-4/104 User's Manual, ver. 0.04 Examples: 1. The following example shows the settings on J2 and SW1so that port 1 interrupts on IRQ 5, port 2 interrupts on IRQ 7, port 3 interrupts on IRQ 10 and port 4 interupts on IRQ 15. IRQ jumper block 3 5 7 9/2 4 6 10 12 14 15 11 B A D C J2 IRQ Port address switc[...]

Chapter 2: Hardware Installation 2-13 DFlex-4/104 User's Manual, ver. 0.04 The DFlex4/104 is capable of baud rates up to 460.8 kbps (4X oscillator) or 115.2 kbps (1X oscillator) depending on the position of jumper J1. If the jumper is in the off position (default) during a hardware reset, the maximum baud rate will be 115.2 kbps. However if th[...]

2-14 Chapter 2: Hardware Installation DFlex-4/104 User's Manual, ver. 0.04 The purpose of the jumper is to provide compatability with device drivers that won't select the desired baud rates if the DFlex4/104 is set for 460.8 kbps. For example most serial drivers expect a maximum baud rate of 115.2 kbps (or a 1X oscillator), however if you[...]

Chapter 2: Hardware Installation 2-15 DFlex-4/104 User's Manual, ver. 0.04 Serial Line Interface Modules (SLIM) The DFlex-4/104 adapter accepts interchangeable electrical line interfaces. These Serial Line Interface Modules (SLIM) provide the electrical interface for two asynchronous communication ports. If you order RS-232 or RS-232/Fast modu[...]

2-16 Chapter 2: Hardware Installation DFlex-4/104 User's Manual, ver. 0.04 Figure 7: SLIM socket to serial port relationship 9/2 10 11 Port 2 connector Port 4 connector Port 3 connector Port 1 connector SLIM soc ket 1 (ports 1 and 2) SLIM soc ket 2 (ports 3 and 4) To insert a SLIM into its connector follow these steps: 1. Place the SLIM into t[...]

Chapter 2: Hardware Installation 2-17 DFlex-4/104 User's Manual, ver. 0.04 To remove a SLIM from its connector follow these steps: 1. Using both hands, place your thumbs on the clips that hold the SLIM into the socket, and place your index fingers on the edge of the SLIM. 2. Push outwards (with your thumbs) on the clips until you release the S[...]

2-18 Chapter 2: Hardware Installation DFlex-4/104 User's Manual, ver. 0.04 SLIM compatibility Some of the standard SLIM modules cannot take advantage of the faster baud rates available with a DFlex-4/104 is set for 460.8 Kbps. The following SLIM modules are compatible with a DFlex-4/104 adapter set for 460k mode on J1: SLIM Part Number 115K Mo[...]

DFlex-4/104 User's Manual, ver. 0.04 Chapter 3: Software Installation Introduction ................................................................................. 3-1 Configuration .............................................................................. 3-1 DOS 3.XX - 6.XX .............................................................. [...]

DFlex-4/104 User's Manual, ver. 0.04[...]

Chapter 3: Software Installation 3-1 DFlex-4/104 User's Manual, ver. 0.04 Introduction The DFlex-4/104 is a standard multi-port serial adapter in a PC/104 format that utilizes 16C654 quad UARTS. In many cases, users have software that will interface directly to the DFlex-4/104. Many operating systems are equipped with device drivers to control[...]

3-2 Chapter 3: Software Installation DFlex-4/104 User's Manual, ver. 0.04 Linux Linux is a leading multi-user, multi-tasking operating system for Intel based personal computers. Linux and its standard serial driver allow users to configure their computer systems with multiple serial ports sharing one IRQ. Please contact Connect Tech Customer S[...]

Chapter 3: Software Installation 3-3 DFlex-4/104 User's Manual, ver. 0.04 QNX 4.XX QNX 4.XX is a leading POSIX compliant, multi-user, multi- tasking, and realtime operating system for Intel based personal computers and embedded systems. QNX 4.XX and its standard serial driver allow users to configure their computer systems with multiple serial[...]

3-4 Chapter 3: Software Installation DFlex-4/104 User's Manual, ver. 0.04 Windows NT Windows NT is a leading multi-tasking operating system for Intel based personal computers. Windows NT and its standard serial driver allow users to configure their computer systems with multiple serial ports sharing one IRQ. Please refer to the WINNT.TXT file [...]

DFlex-4/104 User's Manual, ver. 0.04 Chapter 4: Appendices Appendix A: Specifications ........................................................ 4-1 Operating Environment ...................................................... 4-1 Power Requirements........................................................... 4-1 PC Bus Interface ..................[...]

DFlex-4/104 User's Manual, ver. 0.04[...]

Chapter 4: Appendix A - Specifications 4-1 DFlex-4/104 User's Manual, ver. 0.04 Appendix A: Specifications Operating Environment  Storage temperature: -40 ° C to 150 ° C  Operating temperature: 0 ° C to 70 ° C Power Requirements  DFlex-4/104 (no Serial Line Interface Module) +5 VDC +/-5% @ 100 mA (max.) +5 VDC +/-5% @ 400 mA (max.[...]

4-2 Chapter 4: Appendix A - Specifications DFlex-4/104 User's Manual, ver. 0.04 Control Signals  RS-232 RTS; DTR; TxD; DCD; CTS; RxD  RS-485 RTS; TxD; CTS; RxD  RS-423 RTS; TxD; CTS; RxD  20mA Current Loop TxD; RxD Dimensions  DFlex-4/104 Length: 11.50 cm (4.55 inches) Height: 9.58 cm (3.775 inches) Connectors/Interface  DFle[...]

Chapter 4: Appendix B - Connectors/Pinouts 4-3 DFlex-4/104 User's Manual, ver. 0.04 Appendix B: Connectors/Pinouts Appendix B outlines the pinouts for the following:  DFlex-4/104 port connector pinouts  DFlex-4/104 cable connector pinouts  DFlex-4/104 power connector pinouts  SLIM pinouts Port Connector Pinouts Tables 4 shows the p[...]

4-4 Chapter 4: Appendix B - Connectors/Pinouts DFlex-4/104 User's Manual, ver. 0.04 Cable Connector Pinouts You can order optional DB9 ribbon cables with the DFlex-4/104. These cables attach to the 10 pin port headers on the board. Table 5 shows the pinouts for the optional DFlex-4/104 male DB9 cable connectors. Table 5: DB-9 cable connector p[...]

Chapter 4: Appendix B - Connectors/Pinouts 4-5 DFlex-4/104 User's Manual, ver. 0.04 Power Connector Pinouts Table 6 shows the pinouts for the DFlex-4/104 8 pin power header connector Table 6: Power connector pinouts Pin No. Description 1 GND 2 +5V 3 +5V 4 +12V 5 N/C 6 -12V 7 GND 8 +5V 7 5 3 1 24 6 8 Printed c ircuit board[...]

4-6 Chapter 4: Appendix B - Connectors/Pinouts DFlex-4/104 User's Manual, ver. 0.04 SLIM Pinouts Table 7 shows the pinouts for the Connect Tech Serial Line Interfaces Modules. Table 7: SLIM pinouts SLIM Pin No. TTL Signal RS-232 Signal RS-485 Signal RS-423 Signal Current Loop Signal 1 N/C 2 RTS 1 RTS A(-) 1 RTS (-) 1 TxD(-) 1 3 TxD 1 TxD A(-) [...]

Chapter C: Appendix F - Factory Settings 4-7 DFlex-4/104 User's Manual, ver. 0.04 Appendix C: Factory Settings Appendix C summarizes the following factory settings for the DFlex-4/104 adapter.  I/O Port address setting  IRQ (Interrupt Request Line) I/O/Status Port Address Setting Switch block S1 sets the I/O and status port addresses for[...]

4-8 Chapter 4: Appendix C - Factory Settings DFlex-4/104 User's Manual, ver. 0.04 IRQ Setting Jumper block J2 along with DIP switches 4 and 5 on switch block SW1 sets the IRQ line for the DFlex-4/104 adapter. Connect Tech ships the DFlex-4/104 with a shorting block installed across pins to set all ports to interrrupt on IRQ 4. Figure 9 shows t[...]

Chapter C: Appendix F - Factory Settings 4-9 DFlex-4/104 User's Manual, ver. 0.04 Baud Rate Setting Jumper block J1 sets the maximum baud rate for the DFlex-4/104 adapter. Connect Tech ships the DFlex-4/104 set for a maximum baud rate of 115K baud. Figure 10 shows the location and factory setting of jumper block J1. Figure 10: Baud rate factor[...]

DFlex-4/104 User's Manual, ver. 0.04[...]

Chapter 4: Appendix D - SLIM Insertion/Removal 4-11 DFlex-4/104 User's Manual, ver. 0.04 Appendix D: SLIM Insertion/Removal SLIM insertion Figure 11 outlines the correct procedure for removing RS-232, RS-485/422, RS-423 and 20mA current loop Serial Line Interface Modules (SLIM). Figure 11: SLIM insertion Clip Peg Hole 1 2 1. Place the SLIM int[...]

4-12 Appendix D - SLIM Insertion/Removal DFlex-4/104 User’s Manual, ver. 0.04 SLIM removal Figure 12 outlines the correct procedure for removing a RS-232, RS-423, RS-485/422, RS-423 and 20mA current loop Serial Line Interface Module (SLIM). Figure 12: SLIM removal 2 3 1 1. Using both hands, place your thumbs on the clips that hold the SLIM into t[...]

Chapter 4: Appendix E - RS-232 Options 4-13 DFlex-4/104 User's Manual, ver. 0.04 Appendix E: RS-232 SLIM Option You may order the DFlex-4/104 adapter with RS-232 and RS- 232/Fast Serial Line Interfaces Modules. The RS-232 and RS- 232/Fast SLIMs offer the following features: ■ The RS-232 electrical interface, an industry standard that offers [...]

4-14 Chapter 4: Appendix E - RS-232 Option DFlex-4/104 User’s Manual, ver. 0.04 Please refer to Figure 13 for a partial schematic of the RS-232 or RS-232/Fast SLIM Figure 13: RS-232; RS-232/Fast SLIM: partial schematic UART RS-232 & RS-232/Fast SLIM Partial Sc hematic DB9 Connector DTR RXD RTS 1 3 8 2 4 7 CTS TxD DCD 5 SG Note: The RS-232 and[...]

Chapter 4: Appendix E - RS-232 Options 4-15 DFlex-4/104 User's Manual, ver. 0.04 RS-232/Fast SLIM The standard RS-232 SLIM is not fully functional with a DFlex- 4/104 adapter with J1 set for a maximum baud rate of 460K baud. Only the RS-232/Fast Serial Line Interface Module (SLIM) is fully functional with the DFlex-4/104 set for a maximum baud[...]

4-16 Chapter 4: Appendix E - RS-232 Option DFlex-4/104 User’s Manual, ver. 0.04 Table 8: SLIM pinouts SLIM Pin No. TTL Signal RS-232 Signal RS-485 Signal RS-423 Signal Current Loop Signal 1 N/C 2 RTS 1 RTS A(-) 1 RTS (-) 1 TxD(-) 1 3 TxD 1 TxD A(-) 1 TxD (-) 1 TxD Source 1 4 CTS 1 RTS B(+) 1 RTS Ref 1 RxD(+) 1 5 RxD 1 TxD B(+) 1 TxD Ref 1 TxD(+) [...]

Chapter 4: Appendix F - RS-485/422 Options 4-17 DFlex-4/104 User's Manual, ver. 0.04 Appendix F: RS-485/422 Options You may order the DFlex-4/104 adapter with RS-485/422 Serial Line Interfaces Modules. The RS-485/422 electrical interface is a reliable high-speed serial link that offers superior noise immunity and multi-drop network connectivit[...]

4-18 Chapter 4: Appendix F - RS-485/422 Option DFlex-4/104 User’s Manual, ver. 0.04 RS-485/422 SLIM You can use the RS-485/422 SLIM in 2 wire and 4 wire multi- drop configurations where the RS-485 line drivers are disabled to allow other devices access to the line. Your DFlex-4/104 adapter does not provide DIP switches to control the driver enabl[...]

Chapter 4: Appendix F - RS-485/422 Options 4-19 DFlex-4/104 User's Manual, ver. 0.04 Figure 14 : RS-485/422 SLIM partial schematic +5 V GND NET 2 NET 1 TxD RTS RxD CTS DCD TxD A RTS A RxD B CTS B TxD B RTS B RxD A CTS A U2 U1 U1 U2 +5 V Port 1 13 15 11 14 10 1 2 3 9 13 15 14 Net 1 Net 2 Net 3 Net 4 RN 1 (150 ohm) Pin # RN 2, RN 3 (1.2k ohm) Pi[...]

4-20 Chapter 4: Appendix F - RS-485/422 Option DFlex-4/104 User’s Manual, ver. 0.04 Table 9: SLIM pinouts SLIM Pin No. TTL Signal RS-232 Signal RS-485 Signal RS-423 Signal Current Loop Signal 1 N/C 2 RTS 1 RTS A(-) 1 RTS (-) 1 TxD(-) 1 3 TxD 1 TxD A(-) 1 TxD (-) 1 TxD Source 1 4 CTS 1 RTS B(+) 1 RTS Ref 1 RxD(+) 1 5 RxD 1 TxD B(+) 1 TxD Ref 1 TxD[...]

Chapter 4: Appendix F - RS-485/422 Options 4-21 DFlex-4/104 User's Manual, ver. 0.04 RS-485/422 Cable Wiring You can wire DFlex-4/104 adapters with the RS-485/422 option in various ways to communicate with RS-485/422 peripherals. This section will descibe a few examples of RS-485/422 cabling schemes. Figure 15 describes a 4 wire cabling scheme[...]

DFlex-4/104 User’s Manual, ver. 0.04[...]

Chapter 4: Appendix G - RS-423 Options 4-23 DFlex-4/104 User's Manual, ver. 0.04 Appendix G: RS-423 Options You may order the DFlex-4/104 adapter with RS-423 Serial Line Interfaces Module. The RS-423 electrical interface is a reliable high-speed serial link that offers superior noise immunity. WARNING You must insert Serial Line Interface Modu[...]

4-24 Chapter 4: Appendix G - RS-423 Option DFlex-4/104 User’s Manual, ver. 0.04 Installation The DFlex-4/104 adapter has two SLIM sockets that accept Serial Line Interface Modules. SLIM 1 socket interfaces ports 1 and 2. SLIM 2 socket interfaces ports 3 and 4. Please refer to Chapter 2: Hardware Installation for the location of the SLIM sockets a[...]

Chapter 4: Appendix G - RS-423 Options 4-25 DFlex-4/104 User's Manual, ver. 0.04 Table 10: SLIM pinouts SLIM Pin No. TTL Signal RS-232 Signal RS-485 Signal RS-423 Signal Current Loop Signal 1 N/C 2 RTS 1 RTS A(-) 1 RTS (-) 1 TxD(-) 1 3 TxD 1 TxD A(-) 1 TxD (-) 1 TxD Source 1 4 CTS 1 RTS B(+) 1 RTS Ref 1 RxD(+) 1 5 RxD 1 TxD B(+) 1 TxD Ref 1 Tx[...]

4-26 Chapter 4: Appendix G - RS-423 Option DFlex-4/104 User’s Manual, ver. 0.04 RS-423 Cable Wiring You can wire DFlex-4/104 adapter with the RS-423 option in various ways to communicate with RS-423 peripherals. This section will descibe a few examples of RS-423 cabling schemes. Figure 18 describes a 4 wire cabling scheme between a port on the DF[...]

Chapter 4: Appendix H - 20mA Current Loop 4-27 DFlex-4/104 User's Manual, ver. 0.04 Appendix H: 20mA Current Loop Option You may order DFlex-4/104 adapter with 20mA current loop Serial Line Interface Modules. The 20mA current loop electrical interface provides a reliable high speed serial link over long distances that offers superior noise imm[...]

4-28 Chapter 4: Appendix H - 20mA Current Loop DFlex-4/104 User’s Manual, ver. 0.04 20mA Current Loop SLIM The 20mA current loop module provides optically isolated 20mA active or passive current loop interfaces for two ports. For each port there is an isolated receiver, an optically isolated transmitter and two 20mA current sources. See Figure 20[...]

Chapter 4: Appendix H - 20mA Current Loop 4-29 DFlex-4/104 User's Manual, ver. 0.04 To implement a passive interface, wire the transmitter and the receiver, while leaving the current sources unconnected. An external current source is required to implement a passive interface. To implement an active interface, connect a 20mA current source in s[...]

4-30 Chapter 4: Appendix H - 20mA Current Loop DFlex-4/104 User’s Manual, ver. 0.04 Table 11: SLIM pinouts SLIM Pin No. TTL Signal RS-232 Signal RS-485 Signal RS-423 Signal Current Loop Signal 1 N/C 2 RTS 1 RTS A(-) 1 RTS (-) 1 TxD(-) 1 3 TxD 1 TxD A(-) 1 TxD (-) 1 TxD Source 1 4 CTS 1 RTS B(+) 1 RTS Ref 1 RxD(+) 1 5 RxD 1 TxD B(+) 1 TxD Ref 1 Tx[...]

Chapter 4: Appendix H - 20mA Current Loop 4-31 DFlex-4/104 User's Manual, ver. 0.04 Current Loop Cable Wiring You can wire DFlex-4/104 adapters with the 20mA Current Loop option in various ways to communicate with 20mA Current Loop peripherals. This section will descibe a few examples of current loop cabling schemes. Figure 21 describes a 4 wi[...]

DFlex-4/104 User’s Manual, ver. 0.04[...]