Advantech
ADAM-6256-B
16 DI IoT Modbus/SNMP/MQTT 2Ports Ethernet Remote I/O, 16-Channel Digital Input (Counter), Protocols: MQTT(TLS), SNMP, Modbus TCP, RESTful, ASCII, GCL to Perform Basic Logic Control Rules
Alt: 6-ch Relay Output Modbus TCP Module
6-Channel Relay IoT Modbus/SNMP/MQTT 2Ports Ethernet Remote I/O, Protocols: MQTT(TLS), SNMP, Modbus TCP, RESTful, ASCII, GCL to Perform Basic Logic Control Rules