General information

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Technical Specification

The AMB-8I-4O input/output expander with Modbus RTU and IEC-60870-5-101 protocol support. (under development). It has 8 isolated digital inputs with voltage range up to 30VDC and 4 relay output with 5A 230V range and NO contacts. The power supply range is 8 to 48V DC. The use of DC / DC technology for supplying relays enables a wide range of supply voltages.

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Connection information

Below is a description of the expander connectors. The outputs of the expander are directly connected to the relay leads. The relays are of normal open type.