Thermo Electron Ramsey Micro-Tech 3000 Series, Serial Communications Manual

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Serial Communications 3101/3201
REC XXXXX 2-1
Chapter 2
Installation
2.1 General
This chapter describes the installation procedure and hardware configuration for the
communications (on Mother Board and on Comm A Board option). If the
communication option was installed at the factory, it may not be necessary to
continue with this chapter. Proceed to Chapter 3.0, Operation.
2.2 Comm A Board (Option) Installation
To install the COMM A board, proceed as follows:
1. Select the jumper positions on the COMM A board for the desired
communication standard. Below is a table which summarizes the jumper
positions for selection of the electrical interface. Refer to Figure 2-1 for jumper
locations.
TABLE 2-1
COMM A BOARD JUMPERS
JUMPERS
Mode OP1 OP2 OP3 OP4 OP5 OP6
RS-232 "A" "A" "A" "A" "A" "B"
RS-485 "B" "A" "B" "B" "MDP" "TRM" [Default)
20 mA "B" "B" "A" "A" "A" "C"
TABLE "MDP" TABLE "TRM"
FOR RS-485 ONLY FOR RS-485 ONLY
OP5 OP6
"A" NORMAL "A" TERMINATED
"B" MULTIDROP "B" NOT TERMINATED
2. Open the Micro-Tech wall mount enclosure and turn power off at the mains,
or remove panel mount enclosure from the panel and remove top cover
allowing access to the mother board.
3. Remove the field mating connector. Wire the connector per the supplied
field wiring diagram or install field terminal board cable (wall mount only).
4. Remove the hex head mounting screw from the connector end of the COMM
board.
5. Insert the COMM board in any available expansion slot on the mother board
(see Figure 2-2).