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Emerson I-0168 manual

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Table of contents for the manual

  • Page 1

    Betti s Canada Ltd. 4112 91A Street Edmont on, Albert a, Canada T6E 5V2 Tel: (403) 450-3600 Fax: (403) 450-1400 Edmonton SERVICE MA NUA L No. I-0168 MULT IPORT E LECT RONIC CON TROLLE R CUSTO MER: P.O.#: W .O.#: TAG: DATE: APPLIES TO OPERAT OR MODEL: DESCRIPTI ON DW G.NO. PAGE I INT RODUCTI ON .......................................................[...]

  • Page 2

    2 I INTRODUCTION The Multiport Elect ronic Controller (MEC) replaces the SW 28 Switchpak, f or t he Multiport Selector Valve. T his service manual is intended to super sede the SW 28 Sw itchpak inf orm ation in Multiport Selector Valve service manuals. II AC TUA TOR ASSEMBLY A. MULTIPORT ELECTRONI C CONT ROLLER (MEC): SW IT CHPAK PEDESTAL, CONNECTO[...]

  • Page 3

    3 ACTUATO R ASSEMBLY continued . . . 5. See the typical drawing f or Switchpak SW 20N assembly on page 15, and t he typical wiring diagram s on page 16 f or DC supply and page 17 f or AC supply. Inst all all wiring according t o the electrical diag ram and local r egulations. 6. Check shaf t alig nment of the electr onic controller t o speed reduce[...]

  • Page 4

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  • Page 5

    5 III MUL TIPORT ELECT RONIC C ONTROL LER A. INTRO DUCTI ON The Bett is Multiport Electronic Cont roller (MEC) consists of a mot or, Switchpak model SW 20N, optional local contr ol station and position display. I t is a microcont roller based system developed to control and monit or stat us of t he Multiport Selector Valve. It provides improved acc[...]

  • Page 6

    MULTIPORT ELECT RONIC CO NTROLLER cont inued... 6 D. COMMUNICATIO NS 1. ASCII BASED PRO TO COL/RS-232 CO NNECTI ON The standar d communications prot ocol for the MEC uses a simple ASCII f ormat which connects the host device (computer, RTU or PLC) t hrough j umper selectable connection. Ref er to boar d drawing on page 18 f or the j umper location,[...]

  • Page 7

    MULTIPORT ELECT RONIC CO NTROLLER cont inued... 7 2. MODBUS RTU PROT OCOL /RS-485 CO NNECTIO N • Modbus RTU mode communications • Supports unit addr ess 1 to 250 • Two wire RS-485 or five wire RS-232 operation • Allows 32 M ECs net work on a communicat ion line • 9600 baud, 8 data bits, 1 stop bit, no parity • Uses 120 OHMS 24 AW G twis[...]

  • Page 8

    MULTIPORT ELECT RONIC CO NTROLLER cont inued... 8 Register 40003 Read disable positions. - Bits 1 to 8 indidacte which positions are dis abled. Register 40004 Read current encoder position. - 0 to 1023 Register 40005 W rite to set home position number. Read current home position number. - 1 to 8 RS-232 connections to MP-08 DA-09 connector: Pin #2 =[...]

  • Page 9

    9 MULTIPORT ELECT RONIC CO NTROLLER cont inued... F. OPTION S 1. The optional dig ital display will indicate the valve position by port numbers 1 to 8. The corresponding port number will flash on the display when the valv e plug is moving near or passing by a port, whether by using local controls or r emote comm ands. Once the movement has stopped,[...]

  • Page 10

    10 MULTIPORT ELECT RONIC CO NTROLLER cont inued... Any time during t he movement of the valve, whether by remote comm ands in REMOTE mode, or by the ST EP/JOG pushbutton in ST EP mode, or by the HO ME button on the circuit board, the valve can be stopped by sw it ching the select or switch to JOG m ode on the control stat ion. In nor mal operation,[...]

  • Page 11

    11 MULTIPORT ELECT RONIC CO NTROLLER cont inued... I. DISABLING PORT PO SIT IONS CAUTIO N: Alw ays gr ound yourself bef ore and while touching t he jumpers t o prevent static discharg e. A set of 8 jumper pins near the top r ight of the circ uit board mar ked "DISABLE PO RT" ar e to allow the installer to disable cert ain positions of the[...]

  • Page 12

    12 MULTIPORT ELECT RONIC CO NTROLLER cont inued... 5. Mount encoder torque plat e (21) to opt ical encoder (20) using screws (22) with the open slot opposite to t he encoder ribbon cable. 6. Insert t he shaft of opt ical encoder (20) int o the top end of shaf t (6). Align and engag e the guide pin ( 16) into the slot of t he encoder torq ue plate ([...]

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  • Page 19

    19 IV TR OUBLES HOOT ING A. Actuator does not align plug to port. 1. If alignment is off only at one or two ports but the rest are aligned, then ref er to assem bly and adjustment procedures (r efer t o pages 2 to 4) . 2. If alignment is off in the sam e direction f or all port s then: a) Check the valve/actuator connector f or looseness. b) Check [...]

  • Page 20

    (I-0168- -.wpd/20 or ig:ap/ps-1996-08- 13 rev2:dy/ar-1997-12- 03 app dist:(EF )O);(SM)P) V MULTIPORT ELECTRONIC CONTROLLER NOTES[...]