User Manual

6
Input specifications, terminal assignment and adjustable time ranges (DC versions)
Screw terminal No. 1 No. 2 No. 3 No. 4 No. 5 No. 6 No. 7
not active
=
99999 h 59 m
contact with
GND
=
99999,99 h
6.134.012.8x0
6.134.012.8x1
6.135.012.8x0
6.135.012.8x1
no function
Timer Enable Input
NPN
PNP
NPN
PNP
Reset input NPN
NPN reset key locking
input, Contact with GND,
key free
not active
=
9999 h 59 m 59 s
contact with
GND
=
9999999,9 s
GND = 0 V DC
backlight (–)
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 ... 0,7 V DC
High level: 3 ... 30 V DC
PNP: active for high level
Input resistance: approximately 100 kOhm
Low-level: 0 ... 0,7 V DC
High-level: 4 ... 30 V DC
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: 50 ms
Input resistance: approximately 2,2 MOhm
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 active (contact with GND):
Reset key unlocked
Designation
Model
INP A INP B Reset Reset
Enable
Time range (Mode) GND BL
–
No. 8
BL
+
backlight (+)
Table 2
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 2
Remark
If the time range is changed during operation,
the device must be reset, otherwise the
counting value will not be reproducible.
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)
The time range is set via a control input (screw terminal 5).