6. PROGRAM CONTROL
IMR02L04-E3
6-12
Wait releasing
How to release Wait function:
By Wait zone judgment
For Wait releasing by the Wait zone judgment, refer to Wait state by Wait zone (Zone wait
function) (P. 6-10).
By Digital input (DI)
To release Wait state by Digital input (DI), refer to Wait state by segment (P. 6-11) and
Wait state release
of 6.1.9 Digital input (DI) of the PF900/PF901 Instruction Manual
(IMR02L03-E) on the CD-ROM.
By Wait time-out
Wait state is released after the elapse of time being set.
Wait releasing by Wait time-out is available for both “Wait state by Wait zone” and “Wait state by
segment.”
Wait state will be released by performing STEP function or Forward/Back-up function when the
program is in Wait state.
Wait state remains in effect when changing to the Fixed set point control mode (FIX) or the
Manual control mode (MAN).
Wait display
Alternates displaying “WAIT” and Segment remaining time (0:00) when the program is in Wait state.
6.6.2 Parameter setting
The setting related to Wait function is stored in Wait memory group. Group number can be set for each
segment.
For Wait memory group, refer to 6.1 Memory Group (P. 6-2).
Parameter setting to set Wait function by Wait zone
Wait zone high/low [Parameter setting mode: Wait memory group setting block]
Set deviation setting against segment level by setting Wait zone high (ZoNE.H) and Wait zone low (ZoNE.L)
individually.
Parameter symbol Data range Factory set value
ZoNE.H
TC/RTD inputs:
0 (0.0, 0.00) to 200 (200.0, 200.00) (Unit: C [F
])
Voltage (V)/Current (I) inputs:
0.0 to 20.0 % of Input span
0 (0.0, 0.00): Wait zone high becomes OFF
0
ZoNE.L
TC/RTD inputs:
200 (200.0, 199.99) to 0 (0.0, 0.00) (Unit: C [F
])
Voltage (V)/Current (I) inputs:
20.0 to 0.0 % of Input span
0 (0.0, 0.00): Wait zone low becomes OFF
0
PV/SV monitor
PV
00028
$
M:S
SV
500:00000200
PV/SV monitor
PV
00 28
$
M:S
SV
5 WAIT000200
Displays
in turn.
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