Danfoss GDA Installation Manual page 2

Danfoss Basic GDU
JP4*
Open: 4-20mA
Closed: 2-10V
Buzzer &
3-light alarm
2
Danfoss Premium GDU
Power 24 V DC
3 2 1
X1
Ackn./Test
button
Power Bus Comm.
1 2 3
Digital
Input
Buzzer &
Sensor
3-light alarm
3
© Danfoss | DCS (MWA) | 2018.04
5
GND
AO_01
4
X1 Analog Output
Ackn. -/Test
button T1
Status LED
Green/Yellow/Red
X9
Service Tool
Sensor
Relays 1 and 2 de-energized (default)
in operating mode at No alarm.
Configurable
Relay 1 Relay 2
Alarm 1 Alarm 2
3 2 1 3
X2
Relays shown de-energized
Status LED
Green/Yellow/Red
Relay status Relay status
LED Green LED Green
Service Tool
JP2*
Local
Bus_1
1 2 3 4
Field Analog
Bus Output
Sensor
Bus_B
Bus_A
0 V DC
24 V DC
Jumper
J1
J2
J3
Relay 3 energized (default)
in operating mode at No alarm.
Configurable
Relay 3
Error
2 1 3 2 1
X3 X4
Relay status
LED Green
Digital
Output
Local
Bus_2
4 5 6 7
Ackn.
Button
Status LED:
GREEN is power on.
- flashing if maintenance needed
YELLOW is an indicator of Error.
- when the sensor head is disconnected or
not the expected type
- AO is activated but nothing connected
- flashing when sensor is in special mode
(e.g. when changing parameters)
RED on alarm, similar to the Buzzer & light
alarm.
Ackn. -/Test button:
TEST - The button must be pressed
for 20 sec.
- Alarm1 and Alarm2 is simulated, stop
on release
ACKN. - Pressed while Alarm2, the audible
warning switches off and goes back on after
5 min. when the alarm situation is still active.
* JP4 open → AO 4-20 mA
JP4 closed → AO 2-10 Volt
Status LED:
GREEN is power on.
- flashing if maintenance needed
YELLOW is an indicator of Error.
- when the sensor head is disconnected or
not the expected type
- AO is activated but nothing connected
RED on alarm, similar to the Buzzer & light
alarm.
Ackn. -/Test button:
TEST - The button must be pressed
for 20 sec.
- Alarm1 and Alarm2 is simulated, stop
on release
ACKN. - Pressed while Alarm2, the audible
warning switches off and goes back on after
5 min. when the alarm situation is still active.
* JP2 open → AO 4-20 mA
JP2 closed → AO 2-10 Volt
DKRCI.PI.S00.F2.02 | 520H12487 | 2