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DST1 Series Monitoring Section 4-7
(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.
Read Data Format (Read Size: 1 Byte)
Error cause
(3) Safety Output Error Cause
When an error is indicated for the safety output status, the cause of the
error 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.
Read Data Format (Read Size: 1 Byte)
Error Cause
(4) Instance ID
Status held in the DST1-MRD08SL-1 can be monitored by reading the in-
stance IDs shown in the following table.
+0 Error cause
Value Meaning
0 No error
1 Illegal configuration
2 Test signal error
3 Internal circuit error
4 Discrepancy error
5 Error at dual channel partner
+0 Error cause
Bit Meaning
0 No error
1 Illegal configuration
2 Overcurrent detected
3 Short-circuit detected
4 Output ON error
5 Error at dual channel partner
6 Internal bit circuit error
7 Bit error
8 Illegal data between dual channel outputs
9 Short-circuit detected
Instance
ID (hex)
Safety
input
Safety
input
batch
status
Safety
input
status
Safety
output
batch
status
Safety
output
status
Muting
lamp
status
Safety
output
monitor
Test
output
status
Overall
status
203 ●
300 ●
330 ●● ● ●
331 ●●●●
332 ●●●●●
333 ● ● ●●●●
342 ●●●
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