Crouzet CTR24-2233 Instructions D'utilisation page 7

Input specifications, terminal assignment and adjustable time ranges (DC versions)
CTR 2235 / 2333
Range Time 5
Range Time
9999h59m59s
9999h59m59s
9999999.9s
9999999.9s
99999h59m
99999h59m
99999.99h
99999.99h
NC
1 2
N
Fig. 1
Screw terminal 1:
Screw terminal 2:
Start / Stop Input:
NPN:
Input resistance:
Low level:
High level:
PNP:
Input resistance:
Low-level:
High-level:
Screw terminal 3:
Reset input:
Low level:
High level:
Min. pulse duration:
Input resistance:
Screw terminal 4:
Electrical locking of the reset key
Contact input / Open Collector NPN
(switching at 0 V DC)
Low level:
High level:
D
maß
6 7
5 6 7
Time Selection
Back light
Start / Stop
only for
2333 version
Reset
100ms
24Vdc
R.Enable
T.Sel.1 T.Sel.2
3 4 5 6 7
no function
time measurement as long as
the input is active
active for low level
approximately 1 MOhm
0 ... 0,7 V DC
3 ... 30 V DC
active for high level
approximately 100 kOhm
0 ... 0,7 V DC
4 ... 30 V DC
active for negative edge contact
input / Open Collector NPN
(switching at 0 V DC)
0 ... 0,7 V DC
3 ... 30 V DC
50 ms
approximately 2,2 MOhm
0 ... 0,7 V DC
3 ... 5 V DC
CTR 2223 / 2323
Range Time
Range Time
9999h59m59s
9999h59m59s
9999999.9s
9999999.9s
99999h59m
99999h59m
99999.99h
99999.99h
NC
1 2 3 4 5 6 7
8
Input resistance:
Input not active:
Input active (contact with GND):
Screw terminal 5 and 7:
Time range switching (T.Sel 1, T. Sel 2)
see connection diagram
contact input / Open Collector NPN
(switching at 0 V DC)
Low level:
High level:
Input resistance:
Function:
Remark
Screw terminal 6:
Common GND connection for all inputs
(–) external power supply for the backlight option
Screw terminal 8:
(+) external power supply for the backlight option
(24 V DC ±20 %, 50 mA)
S
S
5 6 7
5 6 7
Time Selection
Start/
Back light
Stop
only for
2323 version
Reset
100ms
24Vdc
R.Enable
T.Sel.1
T.Sel.2
approximately. 2,2 MOhm
Reset key locked
Reset key unlocked
0 ... 0,7 V DC
3 ... 5 V DC
approximately. 2,2 MOhm
see table in Fig. 1
If the time range is changed during operation,
the device must be reset, otherwise the
counting value will not be reproducible.
S
8
7