8-5
IM 05P02C41-01EN
Control Functions
8
n
Single-loopHeating/coolingControlFunctionBlockDiagram
COM
Analog input
*1
SP limiter
PV RSP
Input type
Input unit
Input range/scale
Analog input bias
Square root extraction
Analog input filter
Input type
Input unit
Input range/scale
Analog input bias
Square root extraction
Analog input filter
10-seg. linearizer approx./bias
Remote input filter
PV input bias
PV input filter
Ratio bias computation
A.BS
A.FL
BS
FL
PMD An, Bn
10-seg. linearizer approx./bias
PMD An, Bn
PMD An, Bn
CNT ALG
RMS
SPH, SPL
RFL
A.SR A.LC
UNIT
IN
RH, RL SDP SH, SL
A.BS
A.FL
10-seg. linearizer approx./bias
A.SR A.LC
UNIT
IN
RH, RL SDP SH, SL
Control computation
Manual operation
Manual preset output
Input error preset output
Heating-side preset output
AUTO
When sensor
burnout occurs
When sensor
burnout occurs
Normal Normal
MAN
RUNRESET
EPO
OH, OL OHc, OLc
Input error preset output
EPO
PO
Cooling-side preset output
RESET
POc
MPON
Heating/cooling computation
Heating-side output limiter Cooling-side output limiter
RUN
Current or
voltage pulse
Relay Current or
voltage pulse
Relay Current
OUT retransmission output OUT2 retransmission output
OT
O1RS O2RS
RET retransmission output
RTS
Heating-side
output
Heating-side
output
OUTOUT
Cooling-side
output
Cooling-side
output
OUT2 OUT2 RET
* After the control output terminal is specified by the parameter OT,
other current output terminals can be used as retransmission output.
Output terminal assignment
PMD
OU.H OU.L OU2.H OU2.L
An, Bn PMD An, Bn
Split computation
10-seg. linearizer approx./bias
Split computation
10-seg. linearizer approx./bias
RET.H RET.L
PMD An, Bn
Split computation
10-seg. linearizer approx./bias
Equipped as standard
(Current when retransmission output) (Current when retransmission output)
PV input Remote input
Equipped as standard
(for Standard model)
Remote input can be used when
suffix code: Type 2 = 1 or 4.
Manual output is prioritized even if
sensor
burnout
occurs in MAN.
Terminal Parameter Function
Analog signal Contact signal Front panel key
Legend
PV display SP display
Input ladder calculation program (signal goes to the control computation as is when without ladder program). For ladder program, see the LL50A Parameters Setting Software User’s Manual.
Communication
*1: RS-485, Ethernet, PROFIBUS-DP,
DeviceNet, CC-Link
Program pattern
Local target setpoint
Reset
TSP S.PID
PTNO.
TIME RAMP
L.PID
LSP
REM
LOC
RUN
RST
RESET/RUN switch
RESET/RUN switch
DI45DI44DI43DI42DI41DI3DI2DI1 DI16
Contact inputs
(for Standard model)
DI16 is equipped when suffix code: Type 2 = 1 or 4.
DI41 to DI45 are equipped when suffix code: Type 2 = 0, 1, or 3.
Start of program operation
when DI changes from OFF to ON.
Stop of program operation
when DI changes from OFF to ON.
Start of local-mode operation
when DI changes from OFF to ON.
Start of remote-mode operation
when DI changes from OFF to ON.
RST RST
REM
A/M
LOC
RUN
REM
LOC
RUN
AL3AL2AL1
PV event 1
PV event 2
PV event 3
Time event 1
Time event 2
Time event 3
Time event 4
DO23DO22DO21 DO24
Time event 5
DO25
PV event, Time event, Alarm
Output ladder calculation program (signal goes to the output as is when without ladder program). For ladder program, see the LL50A Parameter Setting Software User’s Manual.
RT
RBS
Program pattern
selection
(Select a
number during a
RESET state.)
DO11 to DO15 are assinged
PV event 4 to 8, and DO31 to
DO35 are assinged Time event
6 to 10.
(for Detailed model)
Remote input can be used when
optional suffix code /R1.
(for Detailed model)
DI16 is equipped when optional suffix code /R1.
DI41 to DI45 are equipped when optional suffix code /X4.
LPS
24 V loop
power supply
For optional suffix code /L4 or /LC4
8.1SettingControlMode(CTLM)
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