Siemens SIMATIC NET TeleControl SINAUT ST7, Системное руководство

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Properties of the SINAUT components
1.3 Properties of the TIM modules
SINAUT ST7 station control system
34
System Manual, 09/2016, C79000-G8976-C178-10
1.3.3.5 LEDs of the TIM 4R-IE
The following table summarizes the meaning of the LEDs during normal operation. The
display during startup is explained in the section "Startup activities of the TIM 4R-IE
(Page 136)".
Table 1- 7 Meaning of the LEDs on the front panel of the TIM 4R-IE
LED no. Labeling Relevant TIM port Type of WAN
driver
Description
1 BATF All - If there is a functioning battery installed, the LED is
off.
The LED lights up red if the battery is not inserted in
the battery compartment or if the battery voltage is
too low.
2 KBus K bus - Data flow over the backplane bus
The display state changes with each message re-
ceived or sent over the backplane bus.
3 TXD1 RS-232 interface 1 Dedicated line Transmit data
LED is lit constantly and is off while a message is
being sent (TXD).
Dial-up network Transmit data
No connection established:
LED is off.
Connection is established:
LED is lit constantly and is off while a message is
being sent (TXD).
4 RXD1 RS-232 interface 1 Dedicated line Receive data
As long as receive level (DCD) is detected, the LED
is lit and goes off while a message is being received
(RXD).
Dial-up network Receive data
Lights up with an incoming call (RI), remains lit as
long as receive level (DCD) is detected and goes off
while a message is being received (RXD).
5 TXD2 RS-232 interface 2 Dedicated line Transmit data
LED is lit constantly and is off while a message is
being sent (TXD).
Dial-up network Transmit data
No connection established:
LED is off.
Connection is established:
LED is lit constantly and is off while a message is
being sent (TXD).