ABB AC 800M

Appendix A Hardware Units CI853 and TP853 – RS232-C Interface
3BSE 027 941 R301 163
Indicators
Technical Data
Table 43. CI853 RS232-C – 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 Lit if transmission to the COM1 port.
Rx1 /Yellow Lit if receiving from the COM1 port.
Tx2 /Yellow Lit if transmission from the COM2 port.
Rx2 /Yellow Lit if receiving from the COM2 port.
Table 44. CI853 – RS232-C Communication Interface Specifications
Item Description
Type Double unisolated RS232-C 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.