21
Sense of relay action
The sense of relay action can be set with the aid of plug-in
jumpers J4 and J8.
Operating
status
Relay
Operating
sense
Jumpers
Position
J4
J8
Alarm
condition
GW 2
Relay
energized
a
Safe
condition
b
Alarm
condition
GW 1
a
Safe
condition
b
Operating sense of LED’s
The operating sense can be set with the aid of plug-in jum-
pers J5 and J9.
Operating
status
LED’s
Operating
sense
Jumpers
Position
J5
J9
Alarm
condition
2
GW 2
LED
lit-up
b
Safe
condition
a
Alarm
condition
1
GW 1
b
Safe
condition
a
B1
B2
B3
ST6
ST2
J8
J4
J5
J1
J9
GW2
GW2
GW1
GW1
GW2
GW1
Fig. 3. Position of the plug-in jumpers, potentiometers, test sockets
and LED’s (standard versions as supplied).
7. Configuration
The instrument has to be opened before it can be con-
figured.
Input standard ranges
The measuring output can be configured by inserting the
plug-in jumper J1 in position “B1, B2 or B3”.
Measuring input
Plug-in jumper J1
4 … 20 mA / 2 … 10 V
0 … 20 mA / 0 … 10 V
±
20 mA /
±
10 V
B1
B2
B3
Type of measuring input (current or voltage
signal)
Choice of terminals determines whether the alarm unit input
monitors a current or a voltage.
Measuring input
Terminals
Current [mA]
1 –
6 I +
Voltage [V]
1 –
11 U +
Switching function (trip point type)
The positions of the plug-in jumpers ST 2 and ST 6 deter-
mine the operating mode of the alarm unit (minimum or
maximum limit).
Trip point Trip point type
Plug-in jumpers
Position
ST 2
ST 6
2
GW2
higher
a
lower
b
1
GW1
higher
a
lower
b
