IDEC MicroSmart Pentra - Manual (Page 49)

D EVICE A LLOCATION OF PID M ODULE
5-8 FC5A MicroS mart PID Module User’s Manual FC9Y-B1283
Operation Parameter Monitor
Bit
Operation Parameter Monitor (1 word)
Parameter Status Description
Bit0 Control Enable Bit
0 Control is disabled
1 Control is enabled
Bit1 Auto-tuning (AT)/Auto-Reset Bit
0 Normal operation
1 Auto-tuning (AT)/Auto-reset is being performed
Bit2 Auto/Manual Mode Bit
0 Auto mode
1 Manual mode
Bit3 Program Control Bit
0 Program control is stopped
1 Program control is running
Bit4 Program Hold Bit
0 Normal operation
1 Program control is held
Bit5
External SP Input Enable Bit
(CH0 only) 0 External SP input is disabled
1 External SP input is enabled
Bit6 Parameter Range Error Bit (Note)
0 All parameters are within the valid range
1 All parameters are out of the valid range
Bit7 Set point (SP) Range Error Bit
0 Set point (SP) is within the valid range.
1 Set point (SP) is within the valid range.
Bit8
Manual Mode Output Manipulated
Variable Range Error Bit
0
Manual mode output manipulated variable is
within the valid range.
1
Manual mode output manipulated variable is out
of the valid range.
Bit9
Proportional Band/Integral
Time/Derivative Time/ARW/
Control Period Range Error Bit 0
Proportional band, integral Time, derivative time,
ARW, or control period is within the valid range.
1
Proportional band, integral Time, derivative time,
ARW, or control period is out of the valid range.
Bit10 Reset Setting Range Error Bit
0 Reset setting is within the valid range.
1 Reset setting is out of the valid range.
Bit11
Cooling Proportional Band/Cooling
Control Period Range Error Bit
(CH0 only) 0
Cooling proportional band or cooling control
period is within the valid range.
1
Cooling proportional band or cooling control
period is out of the valid range.
Bit12
Overlap/Dead Band Range Error
Bit (CH0 only) 0 Overlap/dead band is within the valid range.
1 Overlap/dead band is out of the valid range.
Bit13
Alarm 1 to Alarm 8 Value Range
Error Bit
0
Alarm 1 to Alarm 8 values are within the valid
range.
1
Alarm 1 to Alarm 8 values are out of the valid
range.
Bit14
PV Filter/PV Correction Range
Error Bit 0 PV Filter/PV Correction is within the valid range.
1 PV Filter/PV Correction is out of the valid range.
Bit15
Program Control Set Point (SP)
Range Error Bit
0
Program control set point (SP) is within the valid
range.
1
Program control set point (SP) is out of the valid
range.
Note: The parameter range error bit is turned on when any parameter of the PID module is out of the valid range. While
the parameter range error is occurring, the control output is turned off.