P2: Communications port (Slave)
Pin connection Signal name Rating / connection
1 RS485A1 RS485 bus || P6-1
2 RS485B1 RS485 bus || P6-2
3 E-stop
4 E-stop_rtn
‘Volt free’ safety relay output to E-stop input
on next slave
e
-Brick.
Contact rating 1A 120Vac / 3A 24Vdc
5 5V_rtn RS485 bus pull-up, for GEW use only
6 5V RS485 bus pull-down, for GEW use only
7 24V 24V supply for reprogramming, for GEW
use only
8 RS485_rtn RS485 Screen
4.6.3.3. P3:Lamp output
Pin connection Signal name Rating / connection
9 & 12kW 22kW
A1 A1 Lamp+
A2 B1 Lamp-
C1 C1 Shutter_Motor-
C2 C2 Shutter_Motor+
C3 C3 +24V
C4 C4 Safety_switch
C5 C5 Over_temp_switch
C6 C6 Shutter_open
C7 C7 Shutter_closed
C8 C8 Chassis_in
C9 C9 PT100
C10 C10 PT100_rtn
C11 C11 N/C
C12 C12 N/C
Lamp+ and Lamp- NOT
SELV
Warning! No user accessible signals!
All signals relate to the GEW UV dryer.
For safety reasons, connection shall only
be made using GEW lamp cables
4.6.3.4. P4: Autodamper interface
Pin connection Signal name Rating / connection
1 +24V Auto damper +24V supply
2 0V Auto damper 0V return
3 Control_voltage 0-10V output to damper
4 Damper_feedback 0-10V feedback from damper
5 Flow_OK
6 Flow_OK_rtn
‘Volt free’ contact input from flow switch
(water cooled applications only)
7 KEY Polarising key (Master only), no connection
8 N/C No connection
GEW UV
e
-Brick installation and operating manual 26 of 49
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