Instruction/ maintenance manual of the product I-0168 Emerson
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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.
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.
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.
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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.
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.
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 R.
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.
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.
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.
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.
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).
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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.
(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.
An important point after buying a device Emerson I-0168 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Emerson I-0168 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Emerson I-0168 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Emerson I-0168 you will learn all the available features of the product, as well as information on its operation. The information that you get Emerson I-0168 will certainly help you make a decision on the purchase.
If you already are a holder of Emerson I-0168, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Emerson I-0168.
However, one of the most important roles played by the user manual is to help in solving problems with Emerson I-0168. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Emerson I-0168 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
