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Input specification, terminal assignment and adjustable time ranges (AC/DC versions)
The time range is set via a control input (screw terminal 5).
Screw terminal
No. 1
INP A
Common
Designation
AC/DC
Model
E5224C0448
E5224C0458
Table 3
Screw terminal 1:
Timer Enable Input:
time measurement as long as the
level at this input is high.
Optocoupler input
10 – 260V AC/DC
galvanic isolation, active for High
signal
Low level:
0 – 2V AC/DC
High level:
10 – 260V AC/DC
Input resistance:
approximately 160 kOhm
Screw terminal 2:
Common AC/DC, common connection for the
optocoupler inputs (screw terminals 1 and 3)
Screw terminal 3:
Reset input:
10 – 260V AC/DC galvanic
isolation
Min. pulse duration:
16 ms
Max. frequency:
approximately 30 Hz
Low level:
0 – 2V AC/DC
High level:
10 – 260V AC/DC
Input resistance:
approximately 160 kOhm
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 in contact with GND:
Reset key enabled
MN05401006E
No. 2
No. 3
No. 4
INP B
Reset
AC/DC
AC/DC
Enable
No. 5
Time range (Mode)
contact with
not active =
GND =
99999 h 59 m
99999.99 h
contact with
not active =
GND =
9999 h 59 m 59 s
9999999.9 s
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 3
Remark:
If the time range is changed during
operation, the device must be reset.
Screw terminal 6:
Common GND connection for screw terminal 4
(reset key locking input) and screw terminal 5
(time range switching).
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)
No. 6
No. 7
No. 8
GND
BL
BL
–
+
3
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