Device safety:
Design to: EN61010 Part 1
Protection Class: 2
Application area: pollution Level 2
Low Voltage Directive (for the AC models):
EN 61010 Part 1 ; overvoltage category 2,
pollution level 2
Power supply:
Non-replaceable lithium battery
(lifetime approximately, 8 years at 20°C)
Working temperature:
–10 ... +55 °C, relative humidity < 85%,
without condensation
Operating temperature:
–10 ... +60 °C
Storage temperature:
–20 ... +70°C
Altitude:
to 2000 m
Backlighting:
external electrical source
(24 V DC ±20 %, 50 mA)
Prüfmaß
-
24Vdc
Back light
only for
2341 version
7
6
8
sub
R.Enable
12ms
High 4 ... 30Vdc - 12KHz
Low 30Hz
Speed
Reset
1 2 3 4 5
S
Prüfmaß
-
1 2 3 4 5 6 7 8
R.Enable
Reset
24Vdc
High 7KHz
sub
c
Low 30Hz
Speed
12ms
Back light
only for
2351 version
A
Input specification, pin assignment and adjustable operating modes (DC versions)
Screw terminals 1:
NPN :
active for negative edge
Input resistance:
approximately 1 MOhm
Low level:
0 ... 0,7 V DC
High level:
3 ... 30 V DC
Max .input frequencies for a puls e/ pause ratio of 1 : 1 :
7 kHz
Screw terminal 2:
NPN :
active for negative edge
Input resistance:
approximately 1 MOhm
Low level:
0 ... 0,7 V DC
High level:
3 ... 30 V DC
Max. input frequencies for a puls e/ pause ratio of 1 : 1 :
30 Hz
Screw terminal 4:
Electrical locking of the reset key
Contact input / Open Collector NPN
(switching at 0 V DC)
Low level:
0 ... 0,7 V DC
High level:
3 ... 5 V DC
Input resistance:
approximately. 2,2 MOhm
Input not active:
Reset key locked
Input in contact
with GND:
Reset key unlocked
Screw terminal 6:
GND connection common for all inputs
PNP :
active for positive edge
Input resistance:
approximately. 100 kOhm
Low level:
0 .. 0,7 V DC
High level:
4 .. 30 V DC
Max. input frequencies for a puls e/ pause ratio of 1 : 1 :
12 kHz
Screw terminal 3:
Reset input, active for negative edge
Contact input / Open Collector NPN
(switching at 0 V DC)
Low level:
0 ... 0,7 V DC
High level:
3 ... 30 V DC
Min. pulse duration:
12 ms
Input resistance:
approximately 2,2 MOhm
Screw terminal 5:
Operating mode switch (sub)
Contact input / Open Collector NPN
(switching at 0 V DC)
Low level:
0 ... 0,7 V DC
High level:
3 ... 5 V DC
Input resistance:
approximately 2,2 MOhm
Function:
count direction subtracting
Screw terminal 7:
(–) external power supply for the LCD backlight option
Screw terminal 8:
(+) external power supply for the LCD backlight
option(24 V DC ±20%, 50 mA)
7
e
n
g
lis
h
