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Raypak B6000 Modbus System Protocol Interface B6000 manual

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Table of contents for the manual

  • Page 1

    1 CA T ALOG NO.: 5000.59B Effective Date: 4-09-08 Replaces: 3-15-99 T-3 Raypak B6000 Modbus System Protocol Interface T-3 Communications Interface Raypak B6000 Boiler Controller to Modbus Interface Card Installation and Operating Manual P/N 240729 Rev . 3[...]

  • Page 2

    2 T ABLE OF CONTENTS 1.0 Contents (as shipped) ----------------------------------------------------------------------------------- 3 2.0 Forward ----------------------------------------------------------------------------------------------------- 3 3.0 Installation and Mounting ---- ------------------------------------------------------------------[...]

  • Page 3

    3 T -3 (Rayp ak B6000 System Protocol Interface) Content s Quantity COMP ACT DISC (CD) 1 T- 3 1 EPROM (CPX.XNMn) in small black ESD box 1 Check packaging for damage or missing components. I MPORT ANT NOTICE: These instructions are intended for the use by qualified personnel only , specifically trained and experienced in the installation of this typ[...]

  • Page 4

    4 T -3 INST ALLA TION AND MOUNTING The T -3 Module should be mounted on a permanent base not subject to vibrations, moisture or dust. It should be readily accessible, for serviceability . DIMENSIONS AND WEIGHT 15 3/4” H 14 LBS 8 ” W 5 3/4” D MECHANICAL INST ALLA TION Mount the System Protocol Interface within five (5) feet of B6000 System Con[...]

  • Page 5

    5 WIRING T -3 1. T urn of f power to the B6000 System Control Box. 2. Open front door of System Protocol Interface Gateway Enclosure. 3. Remove four screws and the lower cover , revealing the field wiring blocks. 4 . Attach wires from interface card to the field wiring side of left terminal block (N+, N-, GND, NC). Refer to diagram in this user man[...]

  • Page 6

    6 B6000 SYSTEM CONTROL BOARD CHECK YOUR POWER SOURCE AC = 108 V olts AC Minimum, 132 V olts MAX AB = 108 V olts AC Minimum, 132 V olts MAX BC = Must be less than 1.0 V olts AC[...]

  • Page 7

    7[...]

  • Page 8

    8 1 1.0. T-3 Revision 1.0 Raypak B6000 Modbus ™ Protocol Interface Please Read this Notice Successful application of the T- 3 card requires a reasonable work- ing knowledge of the Raypak B6000 Boiler Control, and the applica- tion in which the combination is to be used. For this reason, it is important that those responsible for implementing the [...]

  • Page 9

    9 1 1.1. Product S pecifications The T -3 card is a hardware product designed to be the communications front end for the Raypak B6000 Boiler Control and a modbus Master Host. The product includes the following functionality: Modbus Slave Specifications • Protocol Modes: RTU mode with CRC-16 error checking • Supported Modbus Function codes: 2 Re[...]

  • Page 10

    10 1 1.2.0 Slave Port Functionality 1 1.2.1 Modbus Communications The T -3 Modbus Slave card runs the RTU version of the Modbus protocol. This capability allows the module to communicate data from a Raypak B6000 Boiler Control to a Modbus Master host, and vice-versa. The module supports both point-to-point implementation as well as multi-drop imple[...]

  • Page 11

    11 1 1.2.1.4 Data Integrity As in all good protocols, there must exist a level of data integrity checking to verify , with some degree of assurance, the quality of the transmitted data. The Modbus protocol supports two types of error checking: • RTU Mode: 16 bit cyclic redundancy check (CRC-16) • One bit parity check CRC-16: When the master gen[...]

  • Page 12

    12 1 1.3.0 Hardware Setup 1 1.3.1.1 1500 Interface Card Setup 1 1.3.1.1 Connecting Power to the T -3 Card The T -3 Card requires an external source of DC voltage. The DC source voltage should be between 9V and 30V . The power is connected to TB1, located near the two 9 pin serial port connec- tions. The connection to TB1 is as follows: TB1-1 9-30 V[...]

  • Page 13

    13 Example Addresses = 0 to 33 Example Addresses = 34 to 63 8 7 6 5 4 3 2 1 Address 8 7 6 5 4 3 2 1 Address 0 0 0 0 0 0 0 0 Invalid 0 0 1 0 0 0 1 0 34 0000000 1 1 * 0010001 1 3 5 0000001 0 2 0010010 0 3 6 0000001 1 3 0010010 1 3 7 0000010 0 4 0010011 0 3 8 0000010 1 5 0010011 1 3 9 0000011 0 6 0010100 0 4 0 0000011 1 7 0010100 1 4 1 0000100 0 8 001[...]

  • Page 14

    14 The parameters are defined as follows: Modbus Slave Address: Each of the separate drop offs of a Modbus host must have a different slave address. The slave address is selected by encoding the slave address in a binary form using the dip switches. 1 1.3.1.3 T-3 Jumper Configurations The T -3 card has five sets of jumpers on the board. Generally ,[...]

  • Page 15

    15 1 1.4.0 Modbus Protocol Support 1 1.4.1 Modbus Commands The T -3 card support s a command subset of the Modbus S pecification consisting primarily of the Function Codes required to read and write data. The following sections detail the different commands supported by the card. Function Address Slave Driver Code Command Range Comments 2 Read Inpu[...]

  • Page 16

    16 1 1.5.0 Diagnostics Several hardware diagnostics capabilities have been implemented using the LED indicator lights on the front of the T-3 card. The possible conditions as indicated by the lights are: 1 1.5.1 LED Indicators Several hardware diagnostics capabilities have been implemented using the LED indicator lights on the front of the module. [...]

  • Page 17

    17 1 1.6.0 ProSoft Support, Service and Warranty 1 1.6.1 T echnical Support ProSoft T echnology survives on its ability to provide meaningful support to its customers. Should any questions or problems arise, please feel free to contact us at: ProSoft T echnology , Inc. 9801 Camino Media Suite 105 Bakersfield, CA 9331 1 (805) 664-7208 (805) 664-7233[...]

  • Page 18

    18 LIMITED W ARRANTY T- 3 SCOPE OF W ARRANTY : Raypak, Inc. (“Raypak”) warrants to the original owner the T -3 to be free from defects in materials and workmanship under nor mal use and service for the applicable warranty period. In accordance with the terms of this Limited W arranty , RA YP AK will furnish a replacement or repair , at our opti[...]

  • Page 19

    19 APPENDIX A Modbus Register Map A-1[...]

  • Page 20

    20 A-2 Raypak Modbus Register Assignments Function Function Function T ype 2 4 3,6 Description R / W 30001 40001 Setpoint Day Setpoint (Desired water temp @70F) R / W 30002 40002 Nitesetback Night Setback (Desired water temp @ 70F) R / W 30003 40003 Ratio Out 1-200 = 0.1 - 20.0 in 0.1 increments R / W 30004 40004 Throttling Delta T of all boilers i[...]

  • Page 21

    21 R 10215 6 High Limit (0 = Normal, 1 = Alarm) R 10216 7 Thermostat - Operating aquastat (not fault) (0 = Normal, 1 = Aquastat) R 10217 8 Manual Override (0 = Normal, 1 = Alarm) R 10218 9 Flow Switch (0 = Normal, 1 = Alarm) R 10219 10 No Pilot (0 = Normal, 1 = Alarm) 30045 40045 bit Boiler #2 S tatus Word Boiler #2 R 10225 0 Boiler Not On Line (0 [...]

  • Page 22

    22 30049 40049 bit Boiler #6 S tatus Word Boiler #6 R 10289 0 Boiler Not On Line (0 = Normal, 1 = Alarm) R 10290 1 Boiler Operation (0 = Firing, 1 = Ready) R 10291 2 Low W ater Cutoff (0 = Normal, 1 = Alarm) R 10292 3 Low Pressure W ater (0 = Normal, 1 = Alarm) R 10293 4 Low Pressure Gas (0 = Normal, 1 = Alarm) R 10294 5 High Pressure Gas (0 = Norm[...]

  • Page 23

    23 R 30070 40070 TS - Boiler S t art T imes (Sec) Boiler #1 R 30071 40071 TS - Boiler S t art T imes (Sec) Boiler #2 R 30072 40072 TS - Boiler S t art T imes (Sec) Boiler #3 R 30073 40073 TS - Boiler S t art T imes (Sec) Boiler #4 R 30074 40074 TS - Boiler S t art T imes (Sec) Boiler #5 R 30075 40075 TS - Boiler S t art T imes (Sec) Boiler #6 R 300[...]

  • Page 24

    24 Raypak, Inc. 2151 Eastman Avenue, Oxnard, CA 93030 (805) 278-5300 • F AX (805) 278-5489 Litho in U.S.A. www .rayp ak.com[...]