Modbus RTU protocol (Hexadecimal notation) Request data 01 08 0 1234 ED7C Response data (normal response) 01 08 0 1234 ED7C (Binary notation) Response data 0001 1000 0 0 0001 0010 0011 0100 1110 1101 0111 1100 Response data (normal response) 0001 1000 0 0 0001 0010 0011 0100 1110 1101 0111 1100 For correspondence between ASCII notation and ASCII hexadecimal notation, refer to the 8.4 ASCII
Example 1) ASCII mode Received function code: 04(0 0100)ASCII code 30h34h Abnormal function code: 84(1000 0100)ASCII code 38h34h Example 2) RTU mode Received function code:04 (0 0100) Abnormal function code:84 (1000 0100) 2) Error Code Assign error code below. 01: Function code of a command is outside the standard. 02: The specified address of register is outside the range. 03: Data field
Example 1) ASCII mode Received function code: 04(0 0100) ASCII code 30h, 34h Abnormal function code: 841000 0100 ASCII code 38h, 34h Example 2) RTU mode Receive function code: "04" (0 0100) Abnormal function code: "84" (1000 0100 2) Error Code Assign error code below. 01 : Function code of a command is outside the standard 02 : The specified address of register is outside the range. 03 :
Example 1) ASCII mode Received function code: 04(0 0100) ASCII code 30h, 34h Abnormal function code: 841000 0100 ASCII code 38h, 34h Example 2) RTU mode Receive function code: "04" (0 0100) Abnormal function code: "84" (1000 0100 2) Error Code Assign error code below. 01 : Function code of a command is outside the standard 02 : The specified address of register is outside the range. 03 :
Travel multiplying factor 0300: 1000 0200: 100 0100: 10 0: 1 0010h Current alarm (warning) reading Reads the alarm No. or warning No. occurring currently. 0 0 Occurring alarm No.
Travel multiplying factor 0300: 1000 0200: 100 0100: 10 0: 1 0010h Current alarm (warning) reading Reads the alarm No. or warning No. occurring currently. 0 0 Occurring alarm No.
Series: NCA1 (Standard), Mounting: J (MT2, Head trunnion), Bore Size: 400 (4"), Stroke: 0800 (8")
Series: NCA1 (Standard), Mounting: J (MT2, Head trunnion), Bore Size: 400 (4"), Stroke: 1200 (12")
Series: NCA1 (Standard), Mounting: J (MT2, Head trunnion), Bore Size: 400 (4"), Stroke: 0450 (4 1/2")
Series: NCA1 (Standard), Mounting: J (MT2, Head trunnion), Bore Size: 400 (4"), Stroke: 1200 (12"), Air Cushion / Rod Boot: K (Neoprene Boot & Both Ends Air Cushion)
Series: NCA1 (Standard), Mounting: J (MT2, Head trunnion), Bore Size: 400 (4"), Stroke: 2400 (24")
Series: NCA1 (Standard), Mounting: J (MT2, Head trunnion), Bore Size: 400 (4"), Stroke: 0700 (7")
Series: NCA1 (Standard), Mounting: J (MT2, Head trunnion), Bore Size: 400 (4"), Stroke: 0600 (6")
Series: Standard, Mounting: MT2, Head trunnion, Bore Size: 4", Stroke: 12", Air Cushion / Rod Boot: Neoprene Boot & Both Ends Air Cushion, Thread: -, Adjustment Range: -, Auto Switch: -, Lead Wire or Prewired Connector: -, Number: -, X Option: -
Series: Standard, Mounting: MT2, Head trunnion, Bore Size: 4", Stroke: 2", Air Cushion / Rod Boot: -, Thread: -, Adjustment Range: -, Auto Switch: -, Lead Wire or Prewired Connector: -, Number: -, X Option: -
Series: Standard, Mounting: MT2, Head trunnion, Bore Size: 4", Stroke: 2 1/2", Air Cushion / Rod Boot: -, Thread: -, Adjustment Range: -, Auto Switch: -, Lead Wire or Prewired Connector: -, Number: -, X Option: -
Series: Standard, Mounting: MT2, Head trunnion, Bore Size: 4", Stroke: 2 1/2", Air Cushion / Rod Boot: No Cushion, Thread: -, Adjustment Range: -, Auto Switch: -, Lead Wire or Prewired Connector: -, Number: -, X Option: -
Series: Standard, Mounting: MT2, Head trunnion, Bore Size: 4", Stroke: 3", Air Cushion / Rod Boot: -, Thread: -, Adjustment Range: -, Auto Switch: -, Lead Wire or Prewired Connector: -, Number: -, X Option: -
Series: Standard, Mounting: MT2, Head trunnion, Bore Size: 4", Stroke: 6", Air Cushion / Rod Boot: -, Thread: -, Adjustment Range: -, Auto Switch: -, Lead Wire or Prewired Connector: -, Number: -, X Option: -
Series: Standard, Mounting: MT2, Head trunnion, Bore Size: 4", Stroke: 10", Air Cushion / Rod Boot: -, Thread: -, Adjustment Range: -, Auto Switch: -, Lead Wire or Prewired Connector: -, Number: -, X Option: -