IDEC MicroSmart Pentra - Manual (Page 48)

D EVICE A LLOCATION OF PID M ODULE
FC5A MicroSmart PID Module User’s Manual FC9Y-B1283 5-7
Data Register Allocation - Block 0 Read Only Parameters
The CPU module reads the following parameters from the PID module and store them in the data registers
every scan.
Offset from
the Control
Register
Parameter Description R/W
0 Common PID Module Operating Status
0000h: Initialization
0001h: Normal operation
0002h: External power supply error
R
+1
CH0
Current Process Variable (PV)
When input is normal:
Value within the control range (see 9-4)
When input is invalid: Unknown value
R
+2
Current Heating Output
Manipulated Variable (MV) Output manipulated variable lower limit to upper
limit
R
+3
Current Cooling Output
Manipulated Variable (MV) Cooling output manipulated variable lower limit
to upper limit
R
+4 Current Set Point (SP)
When input is thermocouple or resistance
thermometer:
Set point (SP) lower limit to set point (SP)
upper limit
When input is voltage or current input:
Linear conversion min. to linear conversion
max.
R
+5 Current Step Remaining Time 0 to 6000 minutes/seconds R
+6 Current Step Number 0 to 9 R
+7 Remaining Repeat Number 0 to 10000 R
+8 Reserved 0 (Fixed value) R
+9 Operation Parameter Monitor
See 5-8 for detail about the operation parameter
monitor.
R
+10 Operating Status See 5-9 for detail about the operating status. R
+11
CH1
Current Process Variable (PV)
When input is normal:
Value within the control range (see 9-4)
When input is invalid: Unknown value
R
+12
Current Output Manipulated
Variable (MV) Output manipulated variable lower limit to
upper limit
R
+13 Current Set Point (SP)
When input is thermocouple or resistance ther-
mometer:
Set point (SP) lower limit to set point (SP)
upper limit
When input is voltage or current input:
Linear conversion min. to linear conversion
max.
R
+14 Current Step Remaining Time 0 to 6000 minutes/seconds R
+15 Current Step Number 0 to 9 R
+16 Remaining Repeat Number 0 to 10000 R
+17 Reserved 0 (Fixed value) R
+18 Operation Parameter Monitor
See 5-8 for detail about the operation
parameter monitor.
R
+19 Operating Status See 5-9 for detail about the operating status. R