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1.10 Failure possibilities and causes
Counter does not count:
- Wrong or reversed wiring of the counting input
- Polarity (NPN/PNP) reversed
- No ground connection between the pulse generator and the
counter
- Signal levels do not reach the switching threshold of the counter
Overview
Type
Mode
ISI36.010AX01
Tachometer
ISI36.011AX01
Table 1
Main technical features:
Display:
LCD, 8 decades, height of the figures 8 mm
Display range:
0 ... 99999999 with leading
zeros suppression
Display unit:
1 s
Max. frequency (Pulse/pause: 1:1):
12 kHz
Min. frequency:
1 Hz
Display refresh:
1 s
Measuring principle: The tachometer operates via the gate
measuring method. The incoming pulses are
counted during a measuring time of 1 s
and recalculated in order to display 1/s.
Accuracy:
< 0,05 %
Housing:
Panel mounting, 48 x 24 mm
according to DIN 43 700, RAL 7021
+0,3
Panel cut-out:
22,2
x 45
Mounting depth:
approximately 48 mm
Weight:
approximately 50 g
Protection level:
IP65 on the front side
Connection:
Screw terminals, RM 5.00, 8 poles
Rated cross-section: max.: 1 x 1,5 mm
Counting inputs
INP A
00 ... 0,7 V DC
04 ... 30 V DC
+0,6
mm
2
2 x 0,75 mm
2
AWG 26-14
www.b umer.com
If, despite all, your device still does not operate, contact your
local representative or call us directly for technical support.
When sending your device back, please attach a short descrip-
tion of the failure, of the programming and of the connection
diagram, in order to allow us to reproduce a possibly existing
defect and to repair your device as quickly as possible.
INP B
NPN
7 kHz
0 ... 0,7 V DC
PNP
12 kHz
4 ... 30 V DC
Options:
x = A: no backlight
x = B: with backlight
EMC:
Interference emissions EN55011 Class B
Interference resistance EN 61000-6-2
Power supply:
Non-replaceable lithium battery
(lifetime approximately 8 years at 20°C)
Working temperature:
–10 ... +55 °C, relative humidity < 85%,
without condensation
Operating temperature:
–10 ... +60 °C
Storage temperature:
–20 ... +70 °C
Altitude:
to 2000 m
Backlighting:
must be powered by an external
elecrical source
(24 V ±20%, 50 mA)
ISI36
NPN
30 Hz
PNP
7
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