Comm Chip: RS232 Modbus relay module is equipped with for MCU and RS232 8 bit electrical level Comm chip, which is mature and stable. Comm Interface: Supports RS232 interface. It plays a role in automatic regulation, safety protection, and switching circuits.
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With RS485 and RS232 (TTL) dual bus interface. 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.
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RS232 DB9 female interface. RS232 DB9 female interface. Relay load current: Max 10A. Relay load current: Max 10A. 1x 8-Channel Relay. If you do not receive our reply within 48 hours, pls. If you are satisfied with our service, pls.
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With RS485 and RS232 (TTL) dual bus interface. 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.
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With capacitor filter circuit, which has improved stability. Onboard 2 relay, which can be accessed extended 2‑way relay module. Item Type: Relay Switch Board. Two-Channel Serial Relay Channel: Two-channel relay, plus two expansion IO ports, low-level output.
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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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Standby 14MA, 1 relay 44MA, 2 relay 69MA, 3 relay 95MA, 4 relay 121MA, 5 relay 149MA, 6 relay 175MA, 7 relay 199MA, 8 relay 226MA, etc. CONNECT 64 DEVICES IN PARALLEL: In command mode, up to 64 devices can be connected in parallel, versatile and multifunction.
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Standby 14MA, 1 relay 44MA, 2 relay 69MA, 3 relay 95MA, 4 relay 121MA, 5 relay 149MA, 6 relay 175MA, 7 relay 199MA, 8 relay 226MA, etc. CONNECT 64 DEVICES IN PARALLEL: In command mode, up to 64 devices can be connected in parallel, versatile and multifunction.
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