7-24V Modbus RTU 1, Channel Relay Module, RS485/TTL Anti-reverse, Connection
₹446.04 (incl. GST) · Out of stock
Category: Relay Modules
Description
3-30V optocoupler signal input A +, B-: RS485 communication interface, A +, B- are connected to A +, B- Relay switch signal output NC: normally closed end, the relay is short-circuited to COM before pull-in, and left floating after pull-in; COM: public end; NO: Normally open, the relay is suspended before the pull-in, and shorted to COM after the pull-in.
Relay indicator: lit when the relay is on GND, RXD, TXD: TTL level UART communication interface, GND, RXD, TXD are respectively connected to GND, TXD, RXD of the external control terminal
Specifications
- SKU
- AI3326
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