松下Panasonic GT系列可编程智能操作面板MODBUS (RTU模式)从机手册 EN.pdf

PROGRAMMABLEDISPLAY

GTSeries

MODBUS(RTUmode)Slave

Manual

WUME-GTMODBUS-01

2024.4/

Tableofcontents

1.1MODBUS(RTUmode)Slave1

1.1.1OperableProgrammableDisplays1

1.1.2CommunicationCondition1

1.1.3InternalMemoryConfiguration1

1.1.4OverviewofModbusRTUCommunication2

1.2BasicFormat3

1.3FunctionCodeReference5

1.3.1FunctionCode1:ReadInternalRelayStatus5

1.3.2FunctionCode3:ReadDataRegisters6

1.3.3FunctionCode4:ReadDataRegisters7

1.3.4FunctionCode5:WritetoSingleInternalRelay8

1.3.5FunctionCode6:WriteOneWordtoDataRegisters9

1.3.6FunctionCode15:WritetoMultipleInternalRelays10

1.3.7FunctionCode16:WritetoMultipleDataRegisters11

1.4HowtoCalculateCRC-1612

1.5ConnectionDiagrams13

1.5.1PrecautionswhenconnectingGT13

1.5.2RS232C13

1.5.3RS42214

1.5.4RS48515

1.1MODBUS(RTUmode)Slave

1.1.1OperableProgrammableDisplays

GT01:Ver.1.35orlaterGT02:Ver.1.00orlaterGTWIN:Ver.2.97orlater

GT02L:Ver.1.00orlaterGT05:Ver.1.30orlater

GT11:Ver.1.25orlaterGT12:Ver.1.00orlater

GT21:Ver.1.15orlaterGT32:Ver.1.40orlater

GT32-E:Ver.1.00orlater

GT03-E:Ver.1.00orlater

1.1.2CommunicationCondition

GTunitNo.01to247

Baudrate9600/19200/38400/57600/115200bps

Databit8bits

ParityOdd/Even/None

RS/CSsignalcontrolNoCS/RSsignal(GT01)

On(Fixed)(GT11,GT21)

On/Off(Othermodels)

1.1.3