Basic Info.
Model NO.
SM 308
Specification
145*92*40
Trademark
Sun-Moon
Origin
China
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 |
