Product

Product Overview

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    SZ3991 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

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Wiring instructions

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    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 ZIGBEE positive electrode
GREEN	V-	Power ZIGBEEnegative electrode
YELLOW	A+	RS485 A+
BLUE	B-	RS485 B-