Sewha SI 550 - Page 40

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SI 510 WEIGHING INDICATOR
6-1-4. Command Mode
Under “Command Mode”, Indicator will recognize the receipt of Order based on 02h(STX) and
03h(ETX) signal, and transfers 06h(ACK), 15h(NAK).
6-1-5. Read Command (Standard Serial Port and Optional Port is same / SI4500
compatibility)
Current Weight Data
ASCII : STX ID(2Byte) RCWT ETX
Total Length
SI 4500
response
Receive: STX + ID(2Byte) + RCWT + ETX [8Byte]
Transmit: STX + ID(2Byte) + RCWT + State1(2Byte) +
State2(2Byte) + Mark(1Byte) + Current Weight(7Byte) +
Unit(2Byte) + ETX [22Byte]
8 byte
22 byte
State 1: ST(Stability), US(Unstability)
State 2: NT(Net weight), GS(Gross weight)
Current Time
ASCII : STX ID(2Byte) RTIM ETX
Total Length
SI 4500
response
Receive: STX + ID(2Byte) + RTIM + ETX [8Byte]
Transmit: STX + ID(2Byte) + RTIM + Current Time Data(6byte) +
ETX [14Byte]
8 byte
14 byte
Current Date
ASCII : STX ID(2Byte) RDAT ETX
Total Length
SI 4500
response
Receive: STX + ID(2Byte) + RDAT + ETX [8Byte]
Transmit: STX + ID(2Byte) + RDAT + Current Date Data(6byte) +
ETX [14Byte]
8 byte
14 byte
Current Weighing BIN No.
ASCII : STX ID(2Byte) RBIN ETX
Total Length
SI 4500
response
Receive: STX + ID(2Byte) + RBIN + ETX [8Byte]
Transmit: STX + ID(2Byte) + RBIN + Current weighing BIN No.
(2byte) + ETX [10Byte]
8 byte
10 byte
Current Weighing Formula No.
ASCII : STX ID(2Byte) RFML ETX
Total Length
SI 4500
response
Receive: STX + ID(2Byte) + RFML + ETX [8Byte]
Transmit: STX + ID(2Byte) + RFML + Formula No.(2byte) + ETX
[10Byte]
8 byte
10 byte
Current Weighing BIN’s Preset
ASCII : STX ID(2Byte) RFIN ETX
Total Length
SI 4500
response
Receive: STX + ID(2Byte) + RFIN + ETX [8Byte]
Transmit: STX + ID(2Byte) + RFIN + Preset value(7byte) + ETX
[15Byte]
8 byte
15 byte
Current Weighing BIN’s Drib