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Signal input monitoring
The switch amplifiers can be supplied with a device for
monitoring the signal inputs.
This monitoring device consits of the red LED display LED3.
It signals a short circuit and/or a brak in the signal input lines.
The statuses of the LED3, output contacts A1 and A2 and
LED1 and LED2 are given in Table 4 for a short or open-circuit
in relation to normal operation.
In order to make the input circuit monitor active, place the
configuration switch marked "
right
).
Fig. 11 shows the arrangement of the switch "
Note: With switch amplifiers acting together with (mechanical)
contacts in the control circuit, these contacts must be
preceded by resistors: one parallel resistor of 10 to 15 kΩ,
one series resistor of 1 to 2 kΩ (see Fig. 12).
1 to 2 kΩ
Mecha-
10 to
nical
15 kΩ
contact
Control circuit
Fig. 12
11. Commissioning
The power supply unit must be capable of supplying
a brief current surge when switching on. The
transmitter presents a low impedance at the instant
of switching which requires a current of ...
... approx. 160 mA for the version with a power
supply range of 24 – 60 V DC/AC
... approx. 40 mA for the version with a power
supply range of 85 – 110 V DC / 230 V AC
12. Maintenance
No maintenance is required.
13. Releasing the amplifier
Release the amplifier from a top-hat rail as shown in Fig. 13.
1
ON
ON
ON
ON
Fig. 13
24
" in the "ON" position (to the
".
≤ 200 Ω
R
Ltg
SINEAX SV 824
or
2
14. Dimensional drawings
+0.5
17.5
+0
Fig. 14. SINEAX SV 824 in housing S17 clipped onto a top-
hat rail (35 × 15 mm or 35 × 7.5 mm, acc. to EN 50 022).
14
6.5
12
+0.5
17.5
+0
Fig. 15. SINEAX SV 824 in housing S17 screw hole mounting
brackets pulled out.
146.5
145.5
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