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Connecting DACRs to the IMS,
Installing with Adapter Cable
(Continued)
Installing MLR-2DG-DACR
without adapter
Continued
DB9 female
DB25 male(pins)
6 - foot (2 m)
4190 IMS
DB9 to DB25 adapter
Assy: 617-836
Note: If the RS-232 ports on the
IMS are DB25 male (pins),
then the 617-836 adapter is not needed.
JUNCTION BOX
RED
WIRE A
Xmit
BLK
WIRE B
Rcv
GRN
WIRE C
Gnd
WHT
n/c
NOTE : Installed Cable is typically 18 AWG (0.8231 mm
Figure 5-4. Connecting DACRs to the IMS
If your RS-232 card has a DB25 male connector, complete the following steps.
Refer to Figure 5-4 for help. (If it has a DB9 male connector, complete the
steps in the previous section.)
1. Ensure that the power is OFF before starting this procedure.
2. Complete all wiring according to the wiring shown in Figure 5-3.
3. Use the junction boxes at each end of the installed cable to terminate the
field wiring between harness 733-571 and 733-572.
•
The total wiring length from the RS-232 port of the CPU to the RS-232
port of the DACR must not exceed 20 feet (6 m) and must be run in
conduit.
4. Complete Steps 1 through 4 for each DACR that you are installing.
5. After connecting the DACR(s) to the IMS, turn the power ON.
6. Press ESCAPE to enter the configuration mode.
JUNCTION BOX
RED
Xmit
DB25
female
BLK
Rcv
GRN
Gnd
Assy: 733-571
WHT
n/c
Installed
Cable
2
), 2-pair twisted.
5-8
WIRE A
WIRE B
WIRE C
DACR
DB25 male (pins)
DB25 female
Assy: 733-572
Continued on next page
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