King Pigeon 3G M2M RTU SMS Alarm Controller Real Time Monitor System for PLC Refrigerator Tower Crane Timer Switches S271
- Supports Modbus TCP protocol over GPRS/3G(850/1900MHz)networks, performs as Modbus Slave
- 10 authorized numbers can switch on/off device with a free charge call at the specified time
- Inbuilt internal memory to save up to 200 historical data and events
- 4 Digital inputs:compatibles dry and wet contact, one of it can be used as pulse counter
- 4 Relay output: (5A/30VDC, 5A/250VAC), compatibles pulse outputs
|
Product Dimensions |
5.5 x 3.5 x 1.2 inches |
|
Item Weight |
1.54 pounds |
|
Shipping Weight |
1.59 pounds |
|
Item model number |
S271 |
|
Batteries |
1 Lithium ion batteries required. (included) |