Manual
english
ISI34, ISI35
www.baumer.com 9
Input specifications, terminal assignment and adjustable time ranges (DC versions)
The time range is set via a control input (screw terminal 5).
Screw terminal
N
o. 1
N
o. 2
N
o. 3
No. 4
N
o. 5
N
o. 6
N
o. 7
not active
=
9
9999 h 59 m
contact with
G
ND
=
99999,99 h
ISI34.010AX01
I
SI34.011AX01
ISI35.010AX01
ISI35.011AX01
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 Collec-
tor 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
D
esignation
M
odel
I
NP A INP B Reset Reset
Enable
T
ime range (Mode) GND BL
–
No. 8
B
L
+
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)