User guide

Preface
MicroLogix 1000 Programmable Controllers User Manual
B–2
The status file S: contains the following words:
Word Function Page
S:0 Arithmetic Flags B–3
S:1L (low byte) Controller Mode Status/Control (low) B–5
S:1H (high byte) Controller Mode Status/Control (Hi) B–5
S:2L (low byte) Controller Alternate Mode Status/Control (low) B–8
S:2H (high byte) Controller Alternate Mode Status/Control (Hi) B–8
S:3L (low byte) Current Scan Time B–11
S:3H (high byte) Watchdog Scan Time B–11
S:4 Timebase B–12
S:5 Minor Error Bits B–12
S:6 Major Error Code B–14
S:7 Suspend Code B–18
S:8 to S:12 Reserved B–18
S:13, S:14 Math Register B–18
S:15L (low byte) DF1 Full or Half-Duplex Node Address B–18
S:15H (high byte) DF1 Full or Half-Duplex Baud Rate B–19
S:16L (low byte) DH-485 Node Address B–19
S:16H (high byte) DH-485 Baud Rate B–19
S:17 to S:21 Reserved B–19
S:22 Maximum Observed Scan Time B–19
S:23 Reserved B–20
S:24 Index Register B–20
S:25 to S:29 Reserved B–20
S:30 STI Setpoint B–20
S:31 and S:32 Reserved B–20