Cutler-Hammer D320 PLC, User Manual

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As shown in the parameters listed in table 3, there is one special register in each block of parameters,
the Status Register (word 0). This register is comprised of bit-level parameters that control and display
the status of the PID operation. The bits and their meanings are shown in Table 4.
Table 4 – Status Register
Bit # Function Remarks
0 PID Control Algorithm: 0=Independent, 1=ISA ISA Not Currently Supported
1 Reserved
2 Normal/Reverse Operation: 0=Normal, 1=Reverse
3 Output Limiting: 0=No, 1=Yes Not Currently Supported
4 Reserved
5 Scaling Mode Setting: 0=Not scaled, 1=Scaled
6 Derivative Operation Setting: 0=PV, 1=Error Factor used in Kd term
7 WindUp Function: 0=Disabled, 1=Enabled Not Currently Supported
8 Deadband state flag
9 CV Overrange error flag Not Currently Supported
10 CV Underrange error flag Not Currently Supported
11 Parameter Setting Range error flag Not Currently Supported
12 Windup state flag Not Currently Supported
13 Reserved
14 Reserved
15 Reserved