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Screw terminal 1:
no function
Screw terminal 2:
Timer Enable Input:
time measurement as long as the
input is active
NPN:
active for low level
Input resistance:
approximately 1 MOhm
Low level:
0 – 0.7V DC
High level:
3 – 30V DC
PNP:
active for high level
Input resistance:
approximately 100 kOhm
Low-level:
0 – 0.7V DC
High-level:
4 – 30V DC
Screw terminal 3:
Reset input:
active for negative edge contact
input / Open Collector NPN
Low level:
0 – 0.7V DC
High level:
3 – 30V DC
Min. pulse duration:
50 ms
Input resistance:
approximately 2.2 MOhm
Screw terminal 4:
Reset key enable
Contact input / Open Collector NPN
Low level:
0 – 0.7V DC
High level:
3 – 5V DC
Input resistance:
approximately. 2.2 MOhm
Input not active:
Reset key disabled
Input active (contact with GND):
Reset key enabled
Screw terminal 5:
Time range switching (Mode)
contact input / Open Collector NPN
Low level:
0 – 0.7V DC
High level:
3 – 5V DC
Input resistance:
approximately. 2.2 MOhm
Function:
see table 2
Remark
If the time range is changed during
operation, the device must be reset.
Screw terminal 6:
Common GND connection for all inputs
Screw terminal 7:
(–) external power supply for the backlight option
Screw terminal 8:
(+) external power supply for the backlight option
(24V DC ±20%, 50 mA)
Table 2
2
MN05401006E
Input specifications, terminal assignment and adjustable time ranges (DC versions)
The time range is set via a control input (screw terminal 5).
Screw terminal
No. 1
No. 2
No. 3
No. 4
No. 5
No. 6 No. 7 No. 8
Designation
Model
INP A
INP B
Reset
Reset
Enable
Time range (Mode)
GND
BL
–
BL
+
E5224C0440
no function
T
imer Enable Input
NPN
NPN reset input
Reset key enabled
when connected to
gnd.
open =
99999 h 59 m
contact with
GND =
99999.99 h
GND = 0V DC
Backlighting (–)
Backlighting (+)
E5224C0450
NPN
open =
9999 h 59 m 59 s
contact with
GND =
9999999.9 s