12V 8-Channel RS485 Relay Modbus RTU PLC Expansion Board R4D8A08
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- R 626.00
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- 11 Oct 2026
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12V 8-Channel RS485 Relay Modbus RTU PLC Expansion Board R4D8A08
Checked Today
ViewR 626.00
+R 497.00
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R 640.00
+R 511.00
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R 699.00
+R 570.00
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R 715.00
+R 586.00
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R 718.00
+R 589.00
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Description
This 8-channel RS485 relay expansion board is designed for PLC and industrial automation use, powered by DC 12V low-voltage supply (not mains powered). It supports Modbus RTU protocol remote control and offers six relay working modes: on, off, jog, self-lock, interlock and delay. Two command control modes are available, with a default maximum delay of 255 seconds and up to 9999 seconds under AT command. Default baud rate is 9600BPS, selectable via jumper to 2400, 4800 or 19200BPS. In default command mode up to 64 devices can be connected in parallel.
What's in the box
1 x 8-Channel RS485 Relay