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1.9 Start-up
Is the device set and programmed correctly (function;
for counters, max. counting frequency)?
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
Tachometer
6.136.012.8x1
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 recal-
culated in order to display 1/s.
Accuracy:
< 0,05 %
Housing:
Panel mounting, 48 x 24 mm
according to DIN 43 700,
RAL 7021
Panel cut-out:
22,2
+0,3
Mounting depth:
approximately 48 mm
Weight:
approximately 50 g
Input specification and terminal assignment
Screw terminal
No 1
Designation
INP A
Model
6.136.012.8x0
7 kHz
6.136.012.8x1
12 kHz
Table 2
Counting inputs
INP A
00 ... 0,7 V DC
04 ... 30 V DC
x 45
+0,6
mm
No 3 No 4 No 5 No 6
No 2
INP B
NPN
30 Hz
NPN
PNP
PNP
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
description 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 = 5: no backlight
x = 6: with backlight
Protection level:
IP65 on the front side
Connection:
Screw terminals, RM 5.00, 8 poles
Rated cross-section: max.:
1 x 1,5 mm
2 x 0,75 mm
AWG 26-14
EMC:
Interference emissions
EN55011 Class B
Interference resistance
N 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)
No 7
–
GND
BL
–
–
0 V DC
Backlighting(–)
NPN
30 Hz
PNP
2
2
No. 8
BL
+
Backlighting (+)
5
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