Dz260_05a_oi_e.doc / Dez-16
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8.
Example for Commissioning
The following example is to explain setup and commissioning of the units with a typical
application.
A tooth wheel with 32 teeth should be monitored with respect to speed and standstill
For speed pick-up we use two proximity switches "Namur-type", which for detection of the
direction of rotation are mechanically displaced to generate an impulse offset
Relay 1 should signal "standstill" when one second after detection of "zero frequency" no
further input impulse has been registered
Relay 2 should generate a timed output pulse of 0.3 seconds when the speed drops below
100 RPM in either forward or reverse direction.
Relay 3 should switch on and catch when, with forward direction only, the speed exceeds
300 RPM. With reverse direction relays 3 should not respond at all
Release of the relay 3 catch state should be possible by either a positive signal applied to
input "Control1", or by activating the ENTER key.
1
2
3
4
5
6
7
8
9
1
0
1
1
1
2
1
3
1
4
1
5
1
6
1
7
1
8
1
9
2
0
2
1
2
2
2
3
2
4
2
5
GND (-)
GND
GND
GND
RxD
TxD
K1
K2
K3
+power in
+5,2V
A
/A
B
/B
0 - 10 V
0/4 - 20 mA
Control 1
Control 2
NO
NC
C
NO
NC
C
NO
NC
C
Relay K1
(standstill)
Relay K2
(underspeed forw. + rev.)
Relay K3
(overspeed, forward only)
A
B
-
+
-
+
2 x NAMUR
+24V
forward rotation
reverse rotation
0
Rel.1: Standstill
Rel.2: Underspeed
(pulsed output)
Rel.3: Overspeed
(forward roation only)
-100
+100
+300
