Omron NE1A-EDR01 - DST1 Series Monitoring; Monitoring the DST1-ID12 SL-1

66
DST1 Series Monitoring Section 4-7
4-7 DST1 Series Monitoring
DST1-ID12SL-1, DST1-MD16SL-1, DST1-MRD08SL-1, or DST1-XD0808SL-
1 data can be monitored by changing to the values shown below the commu-
nications messages (service code, class ID, instance ID, and request data
(attribute ID)) indicated in 4-5 Sample Ladder Programs.
4-7-1 Monitoring the DST1-ID12SL-1
Note (1) Overall Status
Read Data Format (Read Size: 1 Byte)
Status
(2) Safety Input Error Cause
When an error is indicated for the safety input status, the cause of the er-
ror can be acquired by reading this information.
Specify the terminal number for which the error cause is to be acquired,
plus 1, for the instance ID specified at that time. For example, to acquire
the error cause for terminal No. 0, specify 01 hex for the instance ID.
Service code Class ID Instance ID Request data
(attribute ID)
Safety input monitor
Safety input status
Overall status (See note 1.)
Input value/
status
0E hex 04 hex Refer to the table in
note 3.
03 hex
Safety input error cause
(See note 2.)
Error cause 0E hex 3D hex 01 to 0C hex 6E hex
+0 Status
Bit Meaning
0 Input Power Supply Voltage Monitor Flag
OFF: I/O power supply ON, ON: I/O power supply OFF
1 Output Power Supply Voltage Monitor Flag
OFF: I/O power supply ON, ON: I/O power supply OFF
2 Network Power Supply Voltage Monitor Error Flag
OFF: Normal (higher than monitor set value), ON: Error (equal to or
higher than monitor
3 Module Maintenance Flag
OFF: Within range (lower than monitor set value), ON: Out of range
(equal to or lower than monitor set value)
4 Reserved
5 I/O Error Flag
OFF: Normal (all I/O points normal), ON: Error (one or more I/O points
abnormal)
6 Operation Time Monitor Error Flag
OFF: Within range (all I/O sets lower than monitor set value), ON: Out
of range (one or more I/O sets equal to or greater than monitor set
value)
7 Connected Device Maintenance Flag
OFF: Within range (all I/O points lower than monitor set value), ON:
Out of range (one or more I/O points equal to or greater than monitor
set value)