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TROUBLESHOOTING
IIOIC12 DC POWER TEST
6 - 4
I-E96-107-2N
®
8. If necessary, adjust the DC voltages of the power supply
(Figure
NOTE: DO NOT adjust the OL and OVP settings. These adjust-
ments are factory set.
9. Turn off the power to the IIOIS12. Plug in all multibus
modules.
10. Reconnect all DC power distribution cables.
11. Apply power to the IIOIS12 and check the DC voltage levels
again. Adjust the power supply to obtain the voltages required.
Figure
shows the IIOIS12 Main Power Supply.
IIOIC12 DC POWER TEST
1. Turn OFF the main power breaker on the IIOIC12.
2. Unplug the DC power cable from the MKM board.
NOTE: Turn the power OFF before removing or inserting the DC
power cable from the MKM board.
Table 6-2. IIOIS12 DC Voltages
Voltage
Colour
Connector Number
P1 Pin No P2 Pin No.
-12 V + 0.4 8V
+12 V + 0.48 V
Common
+5 V + 0.2 V
Violet
White/Violet
White/Green
Brown
4
1
2
3
6
5
Figure 6-2. IIOIS12 Main Power Supply
AC POWER INPUT
JUMPER WIRE POSITION FOR
120 VAC OPERATION
240 V
FUSE
P/N 1948564A1.16
+5 V ADJ
VR2
120 V
JUMPER WIRE POSITION FOR
NOT REQUIRED IN AUTO-SENSING
POWER SUPPLY 6638553V5
240 VAC OPERATION
GS940131