DC 6V~24V RS485 RS232 Modbus RTU UART Control Module for PLC Relay Switch 8CH
5,21 €
The maximum delay is 9999 seconds under the AT command, and the maximum delay is 255 seconds for MODBUS command. Up to 247 devices can be supported for parallel use for MODBUS command mode. With RS485 and RS232 (TTL) dual bus interface.
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