Table des Matières
Publicité
Les langues disponibles
Les langues disponibles
Screw terminal 3:
Reset input, active for negative edge
Contact input / Open Collector NPN
(switching at 0 V DC)
Low level:
0 – 0.7V DC
High level:
3 – 30V DC
Min. pulse duration:
50 ms
Input resistance:
approximately 2.2 MOhm
Screw terminal 5:
Operating mode switch (Mode)
Contact input / Open Collector NPN
(switching at 0 V DC)
Low level:
0 – 0.7V DC
High level:
3 – 5V DC
Input resistance:
approximately 2.2 MOhm
Function:
see Table 2
Input specification and pin assignment (AC/DC-version)
Screw terminal
No. 1
INP A
Designation
AC/DC
Model
E5024C0408
counting
Table 3
Screw terminals 1 and 3:
Function: see Table 3
Optocoupler input 10 – 260V AC/DC
galvanic isolation, active for High signal
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 2:
Common AC/DC, common connection for the
optocoupler inputs (screw terminals 1 and 3).
Screw terminal 4:
Reset key enable
Contact input / Open Collector NPN
(switching at 0 V DC)
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
MN05401007E
Screw terminal 4:
Reset key enable
Contact input / Open Collector NPN
(switching at 0 V DC)
Low level:
High level:
Input resistance:
Input not active:
Input in contact
with GND:
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(24V DC ±20%, 50 mA)
No. 2
No. 3
Common
INP B
Reset Enable
AC/DC
AC/DC
reset
NPN reset
key locking
input, Contact
with GND. key
free.
Screw terminal 5:
Function: see table 3, active for negative edge
Contact input / Open Collector NPN
(switching at 0 V DC)
Low level:
High level:
Min. pulse duration: 50 ms
Input resistance:
Input High:
Input Low :
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)
0 – 0.7V DC
3 – 5V DC
approximately. 2.2 MOhm
Reset key disabled
Reset key enabled
No. 4
No. 5
No. 6
Reset
GND
not
connected
0 – 0.7V DC
3 – 5V DC
approximately 2.2 MOhm
- - -
Reset of the counter
Dynamic resetting behavior
No. 7
No. 8
BL
BL
–
+
3
Publicité
Table des Matières
