User Manual

7
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 in contact
with GND: Reset key unlocked
Screw terminal 5:
Operating mode switch (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
Screw terminal 6:
GND connection common for all inputs
Screw terminal 7:
(–) external power supply for the LCD backlight option
Screw terminal 8:
(+) external power supply for the LCD backlight
option
(24 V DC ± 20%, 50 mA)
Input specification and pin assignment (AC-version)
Screw terminal No. 1
INP A
AC/DC
No. 2 No. 3
INP B
AC/DC
No. 4 No 5 No. 6
No. 7
No. 8
6.130.012.8x3
6.131.012.8x3
6.132.012.8x3
counting
Common connec-
tion for INP A and
INP B
Reset Enable
NPN reset key
locking input,
Contact with
GND. key free.
not connected
NPN reset
input
GND =
0 V DC
Screw terminals 1 and 3:
Function: see Table 3
Optocoupler input 10 ... 260 V AC/V 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/V DC
Input resistance: approximately 160 kOhm
Screw terminal 2:
Common AC/DC, common connection for the opto-
coupler inputs (screw terminals 1 and 3).
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:
Function: see table 3, active for negative edge
Contact input / Open Collector NPN
(switching at 0 V DC)
Low level: 0 ... 0,7 V DC
High level: 3 ... 5 V DC
Min. pulse duration: 50 ms
Input resistance: approximately 2,2 MOhm
Input High: - - -
Input Low : Reset of the counter
Dynamic resetting behaviour
Screw terminal 6:
Common GND connection for screw terminal 4
(reset key locking input) and screw terminal 5 (reset
input).
Screw terminal 7:
(–) external power supply for the backlight option
Screw terminal 8:
(+) external power supply for the backlight option
(24 V ±20%, 50 mA)
Designation
Model
Common
AC/DC
Reset GND BL
–
BL
+
adding subtracting
counting
direction
reset
counting
Table 3
english
Backlighting (–)
Backlighting (+)