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8-25

IM 05P02C41-01EN

Control Functions

Heating/coolingLoopControlwithPVSwitchingFunctionBlockDiagram

COM

Aux. input

SP limiter

DI16PV

Input type

Input unit

Input range/scale

Analog input bias

Square root extraction

Analog input filter

10-seg. linearizer approx./bias

PV input bias

PV input filter

Ratio bias computation

PV switching

A.BS

A.FL

PMD An, Bn

10-seg. linearizer approx./bias

PMD An, Bn

10-seg. linearizer approx./bias

PMD An, Bn

PV.2C PV.HL PV.LL

P.UNI P.DP P.RH, P.RL

CNT ALG

RMS

SPH, SPL

RFL

A.SR A.LC

UNIT

RH, RL

SDP

SH, SL

RSP

Input type

Input unit

Input range/scale

Analog input bias

Square root extraction

Analog input filter

A.BS

A.FL

A.SR A.LC

UNIT

RH, RL

SDP

SH, SL

PMD An, Bn

AIN2

A.BS

A.FL

A.SR A.LC

UNIT

RH, RL

SDP

SH, SL

DI3DI1 DI2

Control computation

RSP terminal input (ON)/PV terminal input (OFF) switch

Manual operation

Manual preset output

Input error preset output

Heating-side preset output

AUTO

When sensor

burnout occurs

Normal Normal

MAN

RUNRESET

EPO

OH, OL OHc, OLc

Input error preset output

When sensor

burnout occurs

EPO

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

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 1 PV input 2 Contact inputs

Equipped as standard

(for Standard model)

DI16 is equipped when

suffix code: Type 2 = 1 or 4.

Terminal Parameter Function

Analog signal Contact signal Front panel key

Legend

Aux. analog (remote) input (E1-terminal area)

(for Standard model)

Suffix code: Type 2 = 1 or 4 is necessary.

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 Parameter Setting Software User’s Manual.

Manual output is prioritized even if

sensor burnout occurs in MAN.

(for Standard model)

Remote input can be used when

suffix code: Type 2 = 4.

Aux. analog (remote) input

Remote input filter

10-seg. linearizer approx./bias

Input type

Input unit

Input range/scale

Analog input bias

Square root extraction

Analog input filter

*1: RS-485, Ethernet, PROFIBUS-DP,

DeviceNet, CC-Link

For the model with optional suffix code /DR:

Remote input with direct input

(E1-terminal area) can be used

when suffix code: Type 2 = 1 or 4,

and with optional suffix code /DR.

However, DI16 is to be deleted.

Program pattern

Local target setpoint

Reset

TSP S.PID

PTNO.

TIME RAMP

L.PID

LSP

REM

LOC

RUN

RST

Program pattern selection

Switch between the ON and OFF

states of each contact inputs to

select from program pattern

numbers.

(Select a number during a RESET

state.)

DI41 to DI45 are equipped when suffix

code: Type 2 = 0, 1 or 3.

The function is assigned to each DIs at

factory default.

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.

RESET/RUN switch

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.

RBS

DO31 to DO35 are assinged Time

event 6 to 10.

(for Detailed model)

DI16 is equipped when

optional suffix code /R1.

(for Detailed model)

Optional suffix code /R1 is necessary.

(for Detailed model)

Remote input can be used when

optional suffix code /A2.

For the model with optional suffix code /U1: