Rockwell Automation Publication 1766-UM001O-EN-P - September 2021 243
Appendix F MicroLogix 1400 Distributed Network Protocol
• When the controller is in Executing mode and there is a configuration
file, the flags in the object flag are set according to the upper byte of the
configuration files.
Object Flags for Binary Input
Bit Offset Name Description
0 ONLINE
In Series A controllers:
0 when the controller is or was in Non-executing mode.
1 when the controller is or was in Executing mode.
In Series B and Series C controllers:
0 when the controller is or was in Non-executing mode.
1 when the controller is or was in Executing mode and the configuration file does not exist. May be 1
when the controller is or was in Executing mode and the configuration file exists.
1 RESTART Always 0. Not used.
2 COMM_LOST Always 0. Not used.
3 REMOTE_FORCED Always 0. Not used.
4 LOCAL_FORCED Always 0. Not used.
5 CHATTER_FILTER Always 0. Not used.
6 reserved Always 0. Not used.
7 STATE Reflects point state of Binary Input point.
Object Flags for Double Binary Input
Bit Offset Name Description
0 ONLINE
In Series A controllers:
0 when the controller is or was in Non-executing mode.
1 when the controller is or was in Executing mode.
In Series B and Series C controllers:
0 when the controller is or was in Non-executing mode.
1 when the controller is or was in Executing mode and the configuration file does not exist. May be 1
when the controller is or was in Executing mode and the configuration file exists.
1 RESTART Always 0. Not used.
2 COMM_LOST Always 0. Not used.
3 REMOTE_FORCED Always 0. Not used.
4 LOCAL_FORCED Always 0. Not used.
5 CHATTER_FILTER Always 0. Not used.
6 STATE Reflects point state of Double-bit Binary Input point. Double-bit LSB.
7 STATE Reflects point state of Double-bit Binary Input point. Double-bit MSB
Object Flags for Binary Output
Bit Offset Name Description
0 ONLINE
0 when the controller is or was in Non-executing mode.
1 when the controller is or was in Executing mode and the configuration file does not exist.
May be 1 when the controller is in Executing mode and the configuration file exists.
1 RESTART Always 0. Not used.
2 COMM_LOST Always 0. Not used.
3 REMOTE_FORCED Always 0. Not used.
4 LOCAL_FORCED Always 0. Not used.
5 reserved Always 0. Not used.
6 reserved Always 0. Not used.
7 STATE Reflects point state of Binary Output point.
Object Flags for Counter
Bit Offset Name Description
0ONLINE
0 when the controller is or was in Non-executing mode.
1 when the controller is or was in Executing mode and the configuration file does not exist.
May be 1 when the controller is in Executing mode and the configuration file exists.
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