Addressing Reference
1785 PLC-5
11
This word of
the status file:
Stores:
S:28
Program watchdog setpoint
S:29
Fault routine file
S:30
STI setpoint
S:31
STI file number
S:32
Global status bits:
•
low 8 bits – rack fault bits for racks 10-17 (octal)
•
high 8 bits – rack queue-full bits for racks 10-17
S:33
Rack control bits:
•
low 8 bits – I/O rack inhibit bits for racks 10-17
•
high 8 bits – I/O rack reset bits for racks 10-17
S:34
Global status bits:
•
low 8 bits – rack fault bits for racks 20-27 (octal)
•
high 8 bits – rack queue-full bits for racks 20-27
S:35
Rack control bits:
•
low 8 bits – I/O rack inhibit bits for racks 20-27
•
high 8 bits – I/O rack reset bits for racks 20-27
S:46
PII program file number
S:47
PII module group
S:48
PII bit mask
S:49
PII compare value
S:50
PII down count
S:51
PII changed bit
S:52
PII events since last interrupt
S:53
STI scan time (in ms)
S:54
STI maximum scan time (in ms)
S:55
PII last scan time (in ms)
S:56
PII maximum scan time (in ms)
S:57
User program checksum
S:59
Extended-local I/O channel discrete transfer scan (in ms)
S:60
Extended-local I/O channel discrete maximum scan (in ms)
S:62
Extended-I/O channel maximum block-transfer scan (in ms)
S:63
Protected processor data table protection file number