4 I/O Signal Allocation
4.3 Transmitting Data
4-17
HW1483854
HW1483854
4.3.3 Board Status
[J71GF11-T2 board status]
The first one byte (20060 to 20067 in the allocation example above) of the
input data of the J71GF11-T2 allocated to the external input signal
indicates the board status of the J71GF11-T2.
[The Alarm when Communications Error Occurs Using the Board Status]
When the optional board detects the communication error, by using the
CIO ladder and the user alarm allows to occur the alarm.
The examples of the method are described in below.
There are two alarms of the occurrence alarms.
• IO Board operation error
• IO Communication error
As for the user alarm registration, refer to Chapter 13.7 I/O Messages and
I/O Alarms on”YRC1000 OPTIONS INSTRUCTIONS FOR
CONCURRENT I/O” (RE-CKI-A467) for more details.
When the optional board detects and alerts the error by the board status
signal, the ladder program, which raises an alarm, is created according to
the error signal.
The procedures to register the alarms above as the user alarm and the
ladder program, which alert an alarm, are described below.
Signal Contents
2xxx0 to 2xxx3 Reserved for the manufacturer. The user cannot use these signals.
2xxx4 The CC-Link IE Field setting status Normal: 0 Error: 1
When the I/O size and remote register size do not correspond to the master, an error occurs
and the I/O and resister can not be sent or received.
2xxx5 (Slave mode) Unavailable (Fixed to 0)
2xxx6 Indicates the CC-Link IE Field communication status. Normal: 0 Error: 1
2xxx7 Indicates the operation status of the J71GF11-T2 board. Normal: 0 Error: 1
[Alarm No.]
Alarm name
Signal No.
(Board status signal)
Description of the alarm
[9065]
IO BOARD OPERATION
ERROR
20067
(Board status signal:
2xxx7)
The operation status of the
board is abnormal.
[9066]
IO COMMUNICATION
ERROR
20066
(Board status signal:
2xxx6)
The communication status
is abnormal.
To Next Page
Loading...
