Control Elements - Bosch Rexroth SEH302 Bedienungsanleitung

16 /56 Bosch Rexroth AG | Electric Drives and Controls
5 Initial Operation
The modules are to be inserted from the front
side into the SEH302 and are to be tightened
to prevent unintentional loosening.
5.2

Control elements

On the front plate of the tightening system
control SEH302 two LEDs are installed to in-
dicate the operating condition:
LED
green
ready for operation
red flashing
system error
green flashing
Nutrunner in bypass
Nutrunner in sequence test
Fig. 2:
LED
green
Tightening
result OK
red flashing
Tightening
result NOK
SEH302 | 3 609 929 862/2.1
5.3 Interface X 6: RS232
This interface is intended for connecting a
programming device.
1 5
6 9
Fig. 3: SUB-D-plug, 9pin
Pin Signal Description/
Function
1 -
2 RxD RS232
Receive
3 TxD RS232 Send
4 24 V 24 V Power
supply for SD301
5 GND Reference
potential logic
6 -
7 RTS RS232 Request
Send
8 CTS RS232 Enable
Send
9 -
Table 5:
Voltage/Cur-
rent/Standard
–12 V...+12 V,
RS232
–12 V...+12 V,
RS232
24 V=, 300 mA
–12 V...+12 V,
RS232
–12 V...+12 V,
RS232