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Single-Loop Controller LC531/LC532 is an instrumentation panel controller, which supports various applications with user programs. Toshiba continuously enrich the features, reliability and user friendliness. Simultaneously securing the compatibility of attachment to limited space, panel cut and depth result to the advanced features.

General Specifications:



Power supply 24Vdc +10%-15%(ripple of 1% or less)
Consumption Power 

Main unit power supply:24VDC-Approx. 0.2A
DI/O power supply:24VDC-50mA or less

Allowable instantaneous interruption time 1ms or less
Memory backup

Data retention:1year(Lithium battery)
temperature 25℃

Online installation and removal

Online installation and removal of the LC53x(*3) main unit can be done
Installation/removal from the housing

Casing  External dimensions LC53xE*S (*3) 72W×144H×250D (mm)
LC53xS*S (*3) 72W×144H×450D(mm)
Weight LC53xE*S (*3) Approx. 2kg
LC53xS*S (*3) Approx. 3.5kg
Panel cutout dimensions 68W×138H(mm)square hole plate thickness 8mm or less
Panel material

Panel: ABS resin (UL94-V0)-Black
Case: Iron plate-Black paint

External line terminal block

Power supply, signal, RS485 transmission :M3.5 screw terminals
Ethernet:RJ45 connector

Draw-out operation of LC53x(*3) main unit Fixed/draw-out operation is possible with 2-stage stopper mechanism

I/O Specifications:

Analog input(AI1 to 6) Number of input points 6 points
Input range 1 to 5Vdc (Signal common terminalSC, terminal No.6)
Insulation unit No insulation between channels
Input impedance

During energization:1MΩ or more
During power down:1MΩ or more

Resolution 16bit
Conversion Data 12800 to 64000 counts/1-5Vdc

Operation output


(LC531 only)

Number of Ouput Points  2 points
Output Range 4 to 20mA (Power supply common 0V, terminal No.3, 26)
Insulation Unit No insulation between channels
Resolution 16bit
Conversion Data  12800 to 64000 count/4 to 20mAdc
Load Resistance Range  0 to 600Ω
Analog output(AO1,2) Number of Output Points 2 points
Output Range 1 to 5Vdc (Signal common terminal SC, terminal No.6)
Insulation Unit No insulation between channels
Resolution 16bit
Conversion Data 12800 to 64000 count

Digital input

(DI 1 to 3)

Number of Output Points 3 points
External Signal

No voltage contact
(external 24V 5mA±20% at contact ON)

Digital output

(DO 1 to 5)

Number of Output Points  5 points
 Output Type FET open-drain output
Maximum Rating  30V-0.1A
 WDT Ouput    Number of Output points  1 point
Output Type  FET open-drain output
Output Signal 

Normally “ON”
In case of an error “OFF”

Maximum Rating  30V-0.1A

Pulse output(PO)
(LC532 only)

Number of Output Points  1 point (open, close)
Output Form  Pulse width output
Output Type  FET open-drain output
Output Signal 

Low speed : 0.072×n-sec/control-period
High speed : 0.072×n-sec/control-period

Maximum Rating  30V-0.1A