MODBUS TCP/IP PROTOCOL MANUAL - Maguire Products

Get StatusDescription: Returns the current state of all signal inputs and outputs.Command FormatOutput Byte Modbus Description Name Range MLAN Description0 Transaction ID 01 Transaction ID 02 Protocol ID 03 Protocol ID 04 Total Data Length 05 Total Data Length 66 Slave Address MLAN Address7 Function Code 3 or 48 Register Hi Command Code 53 Get Status Command9 Register Lo 010 Point Count Hi 011 Point Count Lo 3Response FormatInput Byte Modbus Description Name Range Description0 Transaction ID 01 Transaction ID 02 Protocol ID 03 Protocol ID 04 Total Data Length 05 Total Data Length 96 Slave Address MLAN Address7 Function Code 3 or 4 Top bit set on error8 Byte Count 69 Data Word 0 Hi Output Status10 Data Word 0 Lo Output Status 0 to 65535 See note 111 Data Word 1 Hi Alarm Status 012 Data Word 1 Lo Alarm Status 0 to 255 See note 213 Data Word 2 Hi Sensor Status 014 Data Word 2 Lo Sensor Status 0 to 255 See note 3Note 1a - Output status for FOUR component softwareBIT Name Value Description0 Mixer Valve 1=open 0=closed Rightmost bit1 Reserved 1=open 0=closed2 Reserved 1=open 0=closed29