Product Overview
SZ3990 Using Standards & ZIGBEE Interfaces,based on industrial MODBUS-RTU protocol, easy access to PLCs, DCS and other instruments or systems for monitoring .it can monitoring 3 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
| Core color | Identification | Note |
| RED | V+ | Power ZIGBEE positive electrode |
| GREEN | V- | Power ZIGBEEnegative electrode |
| YELLOW | A+ | RS485 A+ |
| BLUE | B- | RS485 B- |
