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Serial communication Chapter 9
Data communication
Remote communication over the telephone network also requires a telephone modem.
The software needed in the PC, either local or remote, is CAP 540.
SPA communication is applied when using the front communication port, but for this purpose,
no special serial communication function is required in the terminal. Only the software in the PC
and a special cable for front connection is needed.
2.4.3 Setting parameters
Path in local HMI: Configuration/TerminalCom/SPACom/Rear
Table 128: Setting parameters for SPA communication, rear comm. port
Path in local HMI:Configuration/TerminalCom/SPACom/Front
Table 129: Setting parameters for SPA communication, front comm. port
2.4.4 Technical data
Table 130: Serial communication (SPA), rear communication port
Parameter Range Default Unit Description
SlaveNo (1 - 899) 30 - SPA-bus identification number
BaudRate 300, 1200,
2400, 4800,
9600, 19200,
38400
9600 Baud Communication speed
ActGrpRestrict Open, Block Open - Open = Access right to change
between active groups
SettingRestrict Open, Block Open - Open = Access right to change any
parameter
Parameter Range Default Unit Description
SlaveNo (1 - 899) 30 - SPA-bus identification number
BaudRate 300, 1200,
2400, 4800,
9600
9600 Baud Communication speed
Function Value
Protocol SPA
Communication speed 300, 1200, 2400, 4800, 9600, 19200 or 38400 Bd
Slave number 1 to 899
Remote change of active group allowed yes/no
Remote change of settings allowed yes/no
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