8-Way I/O Module 308 Series

• After-sales Service: Following Updating
• Warranty: Under Discussion
• Transport Package: Wooden Box
• Specification: 145*92*40
• Trademark: Sun-Moon
• Origin: China
• Model NO.: SM 308
• HS Code: 9031809090
• Production Capacity: 30000pieces/Year

Product Description

Basic specifications

Power supply voltage: 10~32VDC

Power consumption: less than 8 W

Environmental temperature: -10~55 ºC (storage: -25~65 ºC)

Environmental humidity: 35~85% RH, no condensation

Absolute humidity: MAX. W. C 29.3 g/m3 dry air at 101.3 kPa

Installation location: indoor, height < 2000m

Insulation resistance: ≥ 100M Ω (500V DC MEGA reference)

Insulation strength: 1000V AC (test conditions: 50/60Hz, 1 minute)

Anti interference: IEC61000-4-2 (electrostatic discharge), Class III

IEC61000-4-4 (Electrical Fast Transient Pulse Group), Class III

IEC61000-4-5 (surge), Class III

 

Optional specifications

Number of output channels: 1-8 channels, selectable from (analog output), DO (switching output), or DI (switching output)

Input). The total number of channels for AO, DO, and DI cannot exceed 8 channels.

Analog output: photoelectric isolation, resolution: 1/10000, load capacity: 600 Ω

The output signal is set by parameters, please refer to [Analog Output] for details

Switching output: relay output, 250V AC/3A, resistive load

Switching input: External high-level input 10-30V DC is effective.

Isolation: Channel to channel isolation

Channel and communication, module power isolation

 

Communication specifications

Communication interface: RS485

Isolation: isolated from output (input) channels and module power supply

Communication protocol: Modbus RTU protocol (slave mode)

Module address: 0-99 optional

Baud rate: 2400/4800/9600/19200/38400 bps/57600 bps/115200 bps

Data format: 1-bit start bit, 8-bit data bit, 1-bit parity bit, 1-bit or 2-bit stop bit optional

Parity check: optional checksum (odd/even/no checksum)

Synchronization method: Start stop synchronization method

Transmission mode: bidirectional half duplex multi-point connection, 1: N (N=1-32)

Communication distance: ≤ 1.2km, suitable cables and matching resistors are required, and twisted pair cables are preferred