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CI853 and TP853 – RS-232C Interface
Appendix A Hardware Units
Indicators
Table 80. CI853 RS-232C – LED Indications
Indication/ Color
Function
F(ault) /Red
Error detected in the unit. Controlled by the
Control Software. Set and cleared by the
Hardware during Reset of the controller.
R(un) /Green
Operating. Controlled by the Control Software.
Cleared by the Hardware during Reset of the
controller.
Tx1 /Yellow
Flashes if transmission to the COM1 port.
Rx1 /Yellow
Flashes if receiving from the COM1 port.
Tx2 /Yellow
Flashes if transmission from the COM2 port.
Rx2 /Yellow
Flashes if receiving from the COM2 port.
Technical Data
Table 81. CI853 – RS-232C Communication Interface Specifications
Item
294
Description
Type
Double unisolated RS-232C ports with modem
signals.
Number of channels
2 channels
Protocol
Determined by software, application and licenses.
Intended for Modbus, Siemens 3964R, COMLI
and custom designed protocols. Please refer to
CB for details.
Communication speed
Selectable in steps from 75 to 19200 baud.
75, 110, 134.5, 150, 300, 600, 1200, 1800, 2000,
2400, 9600, 19200 baud.
Protocol specific restrictions apply.
3BSE036351-510 A