PID Holding Status Definitions
Bit Position
Status When Bit=1
0
Disabled
1
Process Value Invalid
2
Process Value is Integer
3
Process Value Data Type Mismatch
4
Static Pressure Invalid
5
Static Pressure is Integer
6
Static Pressure Data Type Mismatch
7
Track Invalid
8
Track is Integer
9
Track Data Type Mismatch
10
Test Value Invalid
11
Test Value is Integer
12
Test Data Type Mismatch
13
Signal Select Active
14
Manual Override
15
Calculation Error
16
Automatic Period Tracking
17
Process Value Tag Category Change Error
18
Process Value Fail
19
Process Value Disabled
20
Process Value Tolerance
21
Process Value Deadband
22
Setpoint Value Tag Category Change Error
23
Setpoint Value Fail
24
Setpoint Value Disabled
25 – 28
—
29
Tolerance Lock
30
Maintenance
31
Fail
Slave Device Comm Status Definitions
8
7
6
5
4
3
2
1
0
ACT
—
OPR
Value
ACT: Archive Active
0
Slave Device Archive Parameters Not Received
1
Slave Device Archive Parameters Received
Value
OPR: Slave Operational
0
Slave Not Responding
1
Slave Responding
133
Scanner 3100 Modbus Protocol
Section 2