4.6.3.8. P7:
System fan interface
Pin connection Signal name
Rating / connection
1 Fan_healthy
2 Fan_healthy_rtn
‘Volt free’ contact input from fan overload
auxiliary
[Also available on P1]
3 Fan_start
out
7 Fan_start_rtn
24VDC relay output to drive fan contactor
coil. [Also available on P1]
4
KEY
Polarising key, no connection
5 Frame_safety_switch
6 Frame_safety_switch_rtn
‘Volt free’ contact input from optional
frame safety switch
8 N/C
No
connection
4.6.3.9. P8:
Profibus
interface
Where an
e-Brick
is supplied with an internal Profibus interface, connection to the
external system is made by a standard 9 way ‘D’ type connector (not shown in Figure 7).
Pin connection
Signal name (Slave)
Rating / connection
1 Profibus_A
Profibus
network
3 Profibus_B
Profibus
network
8 RS485_rtn
RS485
Screen
GEW UV
e-Brick
installation and operating manual
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