Product Overview
SM2120M Using Standards & 4-20MA Interfaces,based on industrial MODBUS-RTU protocol, easy access to PLCs, DCS and other instruments or systems for monitoring .it can monitoring 1 State amount.
Internally used higher precision sensing cores and related devices to ensure high reliability and excellent long-term stability. The series selects RS232, RS485, CAN, 4-20mA, DC0-5V\10V, ZIGBEE, LORO, WIFI, GPRS and other output methods (special communication protocol can be customized).
Product Pictures
Wiring instructions
Please wire according to the following logo or lead color. Do not use live wiring, otherwise it will damage the equipment. Carefully check the wiring and turn it on again.
| Core color | Identification | Note |
| RED | V+ | Power positive electrode |
| BLACK | V- | Power negative electrode |
| BLUE | I+ | Current output |
