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Main Menu
Diagnostics
Class
Status
I/O RACK
GOOD
COMM PORT
DATA LINK
FAILURE
HARDWARE
FAILURE
PORT A/B
CABLE
MISMATCH
PROTOCOL
MISMATCH
NETWORK
REFER TO Table 11 Ethernet Port E1/E2: Port Diagnostic status page 28
PORT E1
NETWORK
REFER TO Table 11 Ethernet Port E1/E2: Port Diagnostic status page 28
PORT E2
SERIAL PORT
REFER TO Table 7 Serial Port S1/S2: Port Diagnostic status page 24
S1
SERIAL PORT
REFER TO Table 7 Serial Port S1/S2: Port Diagnostic status page 24
S2
60
Possible Cause
Normal operation
• Scanner2 address
switches are not in the
correct position
• An I/O cable is
unplugged.
• Cables are defective or
are not properly
shielded
• If a hub is used, it may
be powered down.
• The Scanner2 is
powered down.
• The Scanner2 is
defective
h)
The I/O interface has a
hardware failure.
The I/O cables from
CPUA and CPUB are
connected to the wrong
ports on the I/O scanner
CPU
The firmware version in
the controller CPU is not
compatible with the
firmware version in the I/O
scanner
900 Control Station User Guide
Lead/Reserve CPU Diagnostics
Controller Action
N/A
Controller continues
1. Verify that the address
to run but is not able
switches on the scanner 2 are
to access the I/O on
set correctly.
the associated rack
2. If a hub is used, check that all
cables are properly connected
to the hub, proper crossover
cables are used, that the hub
is powered, and it supports
100 Base-T.
3. Check cable shielding for
proper grounding and noise
immunity.
4. Make sure the cables have the
correct pin out.
5. Cycle power to the Scanner 2.
6. Cycle power to the hub.
7. Cycle power to the C70R.
8. Replace the expansion rack's
scanner module.
9. Replace the expansion rack's
power supply.
10. Replace the expansion rack.
11.Replace the main CPU.
Controller continues
Replace the CPU.
to run but is not able
to access any I/O.
Controller continues
Swap the cables so that I/O A is
to run but is not able
connected to I/O on CPUA and I/O
to access the I/O on
B is connected to I/O on CPUB
the associated rack
Controller continues
Upgrade the firmware in the CPU
to run but is not able
and/or scanner to be compatible
to access the I/O on
versions
the associated rack
Fix
Revision 9
May 2014

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