© Copyright Omniflex Data subject to change without notice
M1102A Rev. 11.04.03
Figure 2 : Layout of a Maxiflex 7 I/O Base
Mechanical Installation
DAMAGE WILL RESULTO THE EQUIPMENT IF THE PSU MODULE IS PLUGGED INTO ANY
POSITION OTHER THAN THE PSU POSITION ON THE BASE.
REMOVE THE POWER TO THE PSU MODULE BEFORE INSERTING THE PSU MODULE INTO,
OR REMOVING IT FROM THE BASE.
Refer to Figure 2 for the layout of the Maxiflex base.
Electrical Installation
The following electrical connections are required to the unit:
1.
DC Power
2.
Earth
Refer to Figure 1 for the external connections required.
Field Test Procedure
The only test that is possible is observation of the two LEDs. Refer to the Fault/Symptom Chart
for diagnosis using the two LEDs.
Table 3 : Fault/Symptom Chart
LED
Action
Possible Cause
Solution
Power
Off
5V and 12V supplies faulty
Thoroughly check the PSU.
Overvoltage on either the 5V
dc and/or the 12V dc
Repair the PSU.
Shutdown
On
Noise-triggered shutdown
Reset the supply by temporarily
switching the 24V off.
Blown fuse
Replace blown fuse.
No primary supply
Check whether 24V is present.
Outputs short-circuited
Remove PSU from Maxiflex
base and re-check with terminal
block connected
Both
Off
PSU faulty
Thoroughly check the PSU.
