DESCRIPTION OF CONTACTS
Contact
L1
Level switch
L2
CP
Pump activation (dry contact)
GCP
GND pump activation (dry contact)
CW
Wiper activation (dry contact)
GCW
GND wiper activation (dry contact)
A1L
Liquid level alarm output (dry contact)
A2L
Liquid level alarm output (dry contact)
AVL
Liquid level alarm output (controlled when
powered)
GND
GND liquid level alarm output (controlled
when powered)
RS485-A
Connect the serial line RS-485-A (+) coming
from the control system
RS485-B
Connect the serial line RS-485-B (-) coming
from the control system
¹ Any one of the alarm inputs available.
Tab. 2
Do not use
O1
O1
RL2A
C1
C1
RL2B
Refer to chapter: 6.5.5 Wiper manual activation
–
Alarm x
ALx
1
1
–
ALARMS
COM
ALx
–
–
1
COM/AGND
–
–
Refer to chapter: 6.5.6 Remote control with DTWRX optional board
R2A
R1A
RL2A
R2B
R1B
RL2B
–
A
AL1
–
G
COM
W
–
–
G
–
–
EN - English - Instruction manual
CONN 1,
Cable:
Cable:
(pin 1)
Green-Brown
Green-Brown
CONN 1,
Cable:
Cable:
(pin 2)
Green-White
Green-White
–
–
Cable: Brown
–
–
Cable: Green
–
Cable: Black
–
–
Cable: Green
–