I/O Block Status
WBPEEUI240751C0 8 - 11
I/O Block Status
I/O block status information is reported to the Harmony con-
troller where it is integrated into the controller’s status report.
Refer to the Harmony Area Controller
Harmony Area ControllerHarmony Area Controller
Harmony Area Controller or Harmony Bridge
Harmony Bridge Harmony Bridge
Harmony Bridge
Controller
ControllerController
Controller instruction for module status report details. The
I/O block includes the following types of status information in
its report to the controller:
• Hnet communications (channel A and B).
• Configuration.
Missing or
misconfigured
IISAC01
Controller is communicating with the
CIO-100 block, but the CIO-100 block
is not communicating with the II SAC01
station.
1. Insure IISAC01 station is config-
ured for 40 kilobaud.
2. Insure IISAC01 station address
matches S16 in FC 80 (control sta-
tion).
3. Check station link connectors and
cabling between CIO-100 block and
IISAC01 station (or between
CIO-100, CIO-110, and IISCA01 sta-
tion).
4. Check LFP power to the IISAC01
station. Verify a minimum of 3.3
square millimeters stranded (12
AWG stranded wire is used to con-
nect power.
5. Replace IISAC01 station.
6. Replace CIO-100 module.
Null device
definition label
Controller cannot communicate with
IISAC01 station because FC 221 (I/O
device definition) de vice label is unde-
fined.
Set S1 of FC 221 to correspond to
the CIO-100 block device label.
Too ma ny
IISAC01s
configured for this
CIO
There are too many FC 80 (control sta-
tion) function blocks for a single
CIO-100 block. The maximum is e ight
(two bypass and six indicating).
1. Configure some of the IISAC01
stations to operate from a different
CIO-100 station link.
2. Verify multiple controllers are not
attempting to utilize the same
CIO-100 block station
communications.
Table 8-5. Station Problem Repo rts
(continued)
Error Description Corrective Action
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