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APPENDIX
Appendix 1 Special Relay List
225
A
Drive information
The special relays for drive information are shown below.
R: Read only, R/W: Read/Write
SM401 Always OFF R
SM402 After RUN, ON for one scan only R
SM403 After RUN, OFF for one scan only R
SM409 0.01 second clock R
SM410 0.1 second clock R
SM411 0.2 second clock R
SM412 1 second clock R
SM413 2 second clock R
SM414 2n second clock R
SM415 2n ms clock R
SM420 Timing clock output 1 R
SM421 Timing clock output 2 R
SM422 Timing clock output 3 R
SM423 Timing clock output 4 R
SM424 Timing clock output 5 R
No. Name Description R/W
SM600 Memory card usable OFF: Unusable
ON: Use enabled
R
SM601 Memory card protect OFF: Not protected
ON: Protected
R
SM603 Memory card insertion OFF: No drive 2
ON: Drive 2 present
R
No. Name Description R/W
ON
OFF
ON
OFF
1 scan
ON
OFF
1 scan
0.005 s
0.005 s
0.05 s
0.05 s
0.1 s
0.1 s
0.5 s
0.5 s
1 s
1 s
n s
n s
n (ms)
n (ms)
n2 scann2 scan
n1 scan
n2 scann2 scan
n1 scan
n2 scann2 scan
n1 scan
n2 scann2 scan
n1 scan
n2 scann2 scan
n1 scan