Omron FB LIBRARY -, Startup Manual

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2-4. Usage Example of FB Component
FB “Read Process Value”
FB Name _E5xx202_ReadPV
File Name _E5xx202_ReadPV10.cxf
Functional Overview Reads the process value of the specified channel of a Controller.
Program Example
When contact W0.00 is ON, readout of current values start from three channels of
temperature controller’s unit number 1. After normal readout termination, contact W0.02 is
set to ON by 1 cycle and the current values are outputted to D100.
If an error occurs by any reason, contact W0.03 is set to ON by 1 cycle.
Unit selection
#FFFF
Serial Port No.
&1
Controller unit No.
&1
Channel No.
&3
Busy Flag
W0.01
Normal end
W0.02
Error end
W0.03
Process value
D100
↑
_E5xx202_ReadPV
(BOOL)
EN (BOOL)
ENO
(INT)
UnitSelect (BOOL)
BUSY
(INT)
PortNo (BOOL)
OK
(INT)
TCNo (BOOL)
NG
(INT)
ChannelNo (DINT)
PV
W0.00
W0.01
2-12 Temperature Controller
E5ZN-2
†