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LM3108 DC 24V 24 Channels DI 16 Channels Relay DO programmable logic controller vending machine controller

CPU Module LM3108 (24CH DI, 16CH DO)
Rated Voltage: 220V AC
24 Channels DC24V DI, 16 Channels Relay DO
Program Memory Capacity: 120KB
Interrupt Input: 3 Points
Expandable I/O: 7 Modules

CPU Features

Local I/O

24 Channels DC24V DI, 16 Channels Relay DO

Expandable I/O

7 modules

High-speed counter

Monophase counter: 3 points, 100KHz

Biphase counter: 2 points, 100KHz

Pulse output

N/A

Pulse catch

3 points

Interrupt input

3 points

Analog potentiometer

2, value setting range 0255

User program memory

capacity

120K bytes

Retain area

6K bytes

Input data memory

512 bytes

Output data memory

512 bytes

Mid-variables memory

8K bytes

Global memory

24K bytes

Password

Yes

Real-time clock

Built-in

Timer

No limit (1ms as minimum unit)

Counter

No limit (Maximum counting range: 16 bit)

Basic instructions

283

Function blocks

Over 70

Operation speed

0.65μs (Basic instruction)


Power Supply Specifications

Power supply

220V AC@50Hz

Allowed range

187V AC242V AC@50Hz

Current consumption (MAX)

200mA

Output voltage

24V DC

Allowed range

22.8V DC25.2V DC

Current output

+24VDC (To expansion bus)

320mA

+24V DC (To the outside)

400mA

+5V DC (To expansion bus)

1300mA

Short circuit protection

900mA, 24VDC output


Communication Features

Communication interface

2 (RS-232 and RS-485) (Non-isolating)

Communication protocol

Proprietary protocol/MODBUS/Free protocol


 

Input Features

Input type

Sink/Source

Input voltage rated value

24V DC

Allowed range

0V DC30V DC

Logic 1 signal

1530V DC, allowed minimum current 3mA

Logic 0 signal

05V DC, allowed maximum current 1mA

Input delay time

<0.6ms (Rated input voltage)

Isolation mode

Photocoupler isolation

Isolation group

3 groups

Maximum Isolation Voltage

1500VAC


 

Output Features

Output type

Relay

Output voltage

24V DC or 24 V AC 230V AC

Allowed range

5V DC30V DC or 5V AC250V AC

Common end output current total

<10A

Output switch capacity

2A, resistance load

Minimum load

10mA (contact voltage 5VAC or 5VDC)

Over current protection

N/A

Contact impedance

<0.2Ω

Isolation group

4 groups

Isolation voltage between coil and

contact

3000VAC, 1 minute, leakage current 1mA

Isolation voltage between contacts

750VAC, 1 minute, leakage current 1mA

Isolation resistance (minimum)

100MΩ between contacts or between coil

and contact under 500VDC

Contact switch delay time

<10ms

Contact switch frequency

(maximum)

1Hz

Relay mechanical life

No load: over 10,000,000 times; Rated

Resistive load 2A: over 100,000 times


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