Product designation				Micro PLC - Base module with RS485 onboard
Product type designation				LRD20RD024P1
Auxiliary supply voltage				24VDC
Number of inputs			Nr.	8 digital + 4 digital/analog
Number of outputs			Nr.	8 relay
Max I/O number				20 (12 inputs + 8 outputs) up to 44 with LRE modules
Power supply
Rated auxil. supply voltage				24VDC
Operating voltage range				20.4...28.8VDC
Avarage current consumption			mA	185
Power consumption Max			W	5
Digital inputs
Number of digital input			Nr.	8 + 4 digital/analog
Rated voltage			V	24VDC
Input signals
		State 0 (OFF)		<5VDC
		State 1 (ON)		>15VDC
Response time
		0 to 1 (OFF-ON)		4ms (0.5ms for high speed)
		1 to 0 (ON-OFF)		4ms (0.3ms for high speed)
Analog inputs
Number of analog input			Nr.	4 digital/analog
Analog input type				Voltage inputs
Inputs signal range			V	0...10
Resolution				0.01V
Bit of conversion			bit	8
Current consumption at
		10VDC	mA	<0.17mA
Input impedance			kΩ	>40
Admissible overload			VDC	28
Sampling time			ms	5...20ms(LADDER); 2...10ms (FBD)
Maximum cable lenght			m / ft	≤30m/98ft (shielded wire)
Digital outputs
Number of digital output			Nr.	8
type				Relay
System resources
Display				LCD display, 4 lines x 16 characters
Communications
Type of communication port				RS485
Connections
Terminals type				Screw
Tightening torque for terminals
		max	Nm	0.6
		Max	Ibft	0.4
Conductor section
	AWG/Kcmil
		min		26
		max		14
	IEC
		min	mm²	0.14
		max	mm²	2.5
Ambient conditions
Temperature
	Operating temperature
		min	°C	-20
		max	°C	+55
	Storage temperature
		min	°C	-40
		max	°C	+70
Relative humidity			%	20...90% without condensation
Housing
Mounting				35mm DIN rail or screw fixing (M4x20mm)
Degree of protection				IP20
Dimensions (W x H x D)			mm	126 x 106 x 59.6
Weight			g	360
ETIM classification
ETIM 8.0				EC001417 - Logic module

Documents

22 - Micro PLCs and HMI (eng)

Programming software for micro-plc LRD series

Certifications

cULus
EAC

Conformity

IEC/EN 61131-2
UL508
CSA C22.2 n° 142

Products > Micro PLCs and HMI

LRD20RD024P1

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Micro PLCs, base module, auxiliary supply voltage 24VDC, 12/8 relay. Built-in RS485

Type of product: Micro PLC base modules
Max I/O number: 20 (12 inputs + 8 outputs) up to 44 with LRE modules
Rated supply voltage: 24VDC
Type of built-in outputs: Relay
Built-in communication port: RS485
Display: LCD display, 4 lines x 16 characters

Order code	LRD20RD024P1
Weight [g]	360
Qty. per package	1
Multiple qty. of packs per order	1
Package dimensions [mm]	140X100X065
Volume [cm³]	942.5
Bar code [EAN13]	8013975210239
HS Code	85371091