Communications Interfaces - Siemens siprotec 7SA6 User Manual

10.1.4 Communications Interfaces

Operating Interface
Rear Service/
Modem Interface
7SA6 Manual
C53000-G1176-C133-1
Alarm relay
Switching capability
Switching voltage
Permissible current
– Connection
– Operation
– Transmission speed
– Maximum transmission distance
RS232/RS485/Optical
Operation
RS232
– Connection for flush mounted case
for surface mounted case
– Test voltage
– Transmission speed
– Maximum transmission distance
RS485
– Connection for flush mounted case
for surface mounted case
– Test voltage
– Transmission speed
– Maximum transmission distance
1 with NC contact or NO contact
(switch selectable)
MAKE 30 W/VA
BREAK 20 VA
30 W resistive
25 W for L/R ≤ 50 ms
250 V
1 A permanent
front panel, non-isolated, RS 232
9-pin DSUB socket
for connection to a personal computer
with DIGSI
min. 4800 Baud; max. 115200 Baud
factory setting: 38400 Baud; parity: 8E1
15 m (50 ft)
isolated interface for data transfer
acc. ordered version
with DIGSI
rear panel, mounting location "C"
9-pin DSUB socket
at the terminal on the case bottom
shielded data cable
500 V; 50 Hz
min. 4800 Baud; max. 115200 Baud
factory setting: 38400 Baud
max. 15 m (50 ft)
rear panel, mounting location "C"
9-pin DSUB socket
on case bottom
shielded data cable
500 V; 50 Hz
min. 4800 Baud; max. 115200 Baud
factory setting: 38400 Baud
max. 1km
Technical Data
®
4
®
4
10-5