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Programming Examples
The OP--414 allows you to force a setpoint to a value from the PLC.
In order to force a setpoint to a value, place the value into register M+12, then set the
FSP and bit(s) corresponding to the setpoint(s) to be forced. When the panel has
completed the force operation, it clears registers M+12, M+13 and M+14.
The example below shows setpoint 4 (FP4 is set) being forced to 5678 when B3:4/2
is active.
Notice that B3:4/2 is used as a latch/unlatch type relay. The force command should
be written to the force register once. The OP--414 will automatically clear this
register when the force is complete. This will normally happen in less than a second.
The PLC program can verify operation, if necessary, by checking the status of the
registers to be cleared by the panel (M+12, M+13 and M+14).
NOTE:
The Force Option must be selected (in OP--WINEDIT) in order to force
setpoints.
Field point 2 data cell 2 (long BCD)
Field point 3 data cell 2 (long BCD)
Field point 1 data cell
Field point 1 data cell 2 (long BCD)
Field point 2 data cell
Field point 3 data cell
Field point 4 data cell
Field point 6 data cell 2 (long BCD)
Field point 4 data cell 2 (long BCD)
Field point 5 data cell
Field point 5 data cell 2 (long BCD)
Field point 6 data cell
Field point force data cell
Function
M+0 (N7:0)
M+1 (N7:1)
M+2 (N7:2)
M+5 (N7:5)
M+6 (N7:6)
Register
M+3 (N7:3)
M+4 (N7:4)
PLC
Register
M+7 (N7:7)
M+8 (N7:8)
M+11 (N7:11)
M+12 (N7:12)
M+9 (N7:9)
M+10 (N7:10)
Field point force data cell 2 (long BCD)
Force control bits (bold if set)
M+13 (N7:13)
M+14 (N7:14)
FP5
FP6
FSP
FP1
FP2
FP3
FP4
B3:4
Put the value
5678 into field
point force data
cell (N7:12).
Set FSP and
FP4: to set field
point 4 to the
force value.
Reset B3:4/2 so
the rung will only
execute once.
2
MOVE
Source
N7:12
Dest.
MOV
5678
7
N7:14
3
N7:14
2
B3:4
U
(Example
Address)
Forcing Setpoints
