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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
(24 V DC ±20 %, 50 mA), Fuse T0.08 A, delayed action
Input specification, terminal assignment and adjustable time ranges (AC versions)
The time range is set via a control input (screw terminal 5).
Screw terminal
No. 1
Designation
INP A
AC/DC
Model
6.134.012.8x3
6.135.012.8x3
Table 3
Screw terminal 1:
Timer Enable Input:
time measurement as long as
the level at this input is high.
Optocoupler input
10...260 V AC/DC
galvanic isolation, active for
High signal
Low level:
0...2 V AC/V DC
High level:
10...260 V AC/DC
Input resistance:
approximately 160 kOhm
AC mains frequency:
50/60Hz
Screw terminal 2:
Common AC/DC, common connection for the optocoup-
ler inputs (screw terminals 1 and 3)
Screw terminal 3:
Reset input:
active for high level.
Optocoupler input:
10...260 V AC/DC galvanic
isolation, active for high signal
Min. pulse duration:
16 ms
Max. frequency:
approximately 30 Hz
Low level:
0...2 V AC/V DC
High level:
10...260 V AC/DC
Input resistance:
approximately 160 kOhm
AC mains frequency:
50/60Hz
No. 2
No. 3
No. 4
Common
INP B
Reset
AD/DC
AC/DC
Enable
All low voltages, SELV, reinforced/double
!
insulation.
Signal inputs must be protected with an exter-
DANGER
nal delayed T0.01 A fuse when the source
does not provide protective impedance (fuse/
current limitation).
No. 5
Time range (Mode)
contact with
not active
GND
=
99999 h 59 m
99999,99 h
not active
contact with
=
GND
9999 h 59 m
59 s
9999999,9 s
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 5:
Time range switching (Mode)
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:
see table 3
t
Note:
If the time range is changed during operati-
on, the device must be reset, otherwise the
counting value will not be reproducible.
No. 6
No. 7
No. 8
GND
BL
BL
–
=
=
Page 5 | ENG
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