SMS gateway (M2M RTU)

Model> SL275-E

Power

Input Voltage DC 9～36V
Power Consumption Normal: 50mA@12V, Max: 150mA@12V
Output 1 Channel; Voltage: 9～36V DC; Current:

1500mA@12V(Max)
Protection Reverse wiring prevention;
ESD Air: 15KV; Surge: 4KV

Backup Battery 3.7V/900mA (It is optional. Default: Without battery)

USB USB 1xMini USB

Serial Port

QTY 1xRS485
Baud Rate 1200bps-115200bps
Data Bit 8
Parity Bit None, Even, Odd
Stop Bit 1, 2
Protocol Modbus RTU(slave), Modbus RTU(master)
Protection ESD Contact: 8KV; Surge: 4KV(8/20us)

Digital Input

QTY 8 Channel
Type Support both Wet contact and Dry contact
Dry Contact Close: Short circuit; Open: Open circuits
Wet Contact Close: 10~30V; Open: 0~3V
Others

DIN0 as a high-speed pulse counter, sampling frequency:
1MHz; DIN1~3 as low-speed pulse counter, anti-shake
time can be set 1~2000ms, default 1ms; DIN1 with arm
and disarm function;

Protection 2KVrms

Digital Output

QTY 4 Channel
Type Relay output (5A@30VDC, 5A@250VAC)
Others The first DO can set time to control by authorize number;

Custom setting close and open times

Protection 2KVrms

Analog Input

QTY 6 Channel
Type Differential input, 4-20mA/0-20mA/0-5V
Resolution 12Bit
Accuracy

±0.1% FSR @ 25°C
±0.3% FSR @ -10 and 60°C
±0.5% FSR @ -40 and 75°C

Sampling Rate 200ms