Connecting The Signal Inputs; Connecting The Power Supply; Operating Sense - Camille Bauer SIRAX SV 824 Mode D'emploi

Also note that, ...
... the data required to carry out the prescribed
measurement must correspond to those mar-
ked on the nameplate of SIRAX SV 824 (
signal inputs S1, S2,
A2 and power supply H!)
... the signal input and output contact cables
should be twisted pairs and run as far as
possible away from heavy current cables!
In all other respects, observe all local regulations
when selecting the type of electrical cable and
installing them!
7.1 Signal input, output contact and power supply
wiring
Connect the cables as shown in "Fig. 5. Plug arrangement".
Back
c b a
1
2
3
4
5
6
7
8
14
20
26
27
28
29
31
30
32
Legend to Fig. 5:
S1, S2 = Signal inputs 1 and 2
A1, A2 = Output contacts for channels 1 and 2
H = Power supply
Fig. 5. Plug arrangement seen from the rear of SIRAX SV 824.
Notes

7.1.1 Connecting the signal inputs

In the case of switching amplifiers with monitored inputs,
signal inputs which are not connected (open-circuit signalling
circuits) cause an open-circuit input alarm.
18
output contacts A1,
–
S1
+
–
S2
+
(+) ~
H
(–) ~
A1
A2
To avoid this, place the input monitoring switch "
"OFF" position (to the left
If only one channel of a dual-channel unit is being used and
the input has to be monitored, connect a resistor (1...15 kΩ)
across the unused input. This prevents unnecessary alarms
by the red LED.
Where a contact is used instead of an active sensor and the
input has to be monitored, connect two resistors directly at
the contact as shown in Fig. 7.
7.2 Connecting the output contacts
Connect the output contact signalling leads according to
Fig. 5 resp. Table 3.
Table 3: Version of output contacts A1 and A2 as relay
contacts
Output contacts Material
Relay 1
b
a
c
c27 c29 c31
A1
Gold flashed
silver alloy
Relay 2
b
a
c
a26 a28 a30
A2

7.3 Connecting the power supply

Connect the power supply to pins a20 ( – ~ ) and c14 ( + ~ )
according to Section "7. Electrical connections".
A two-pole switch must be included in the supply connection
where facility for switching SIRAX SV 824 off is desired.

8. Operating sense

The statuses of the contact outputs controlled by the statuses
of the signal inputs may be reversed independently by
reconnecting configuration switches. Table 4 show what
results from which switch "1", "2" or "
" in the
) (Fig. 6).
Contact rating
AC: ≤ 2 A / 250 V
(100 VA)
DC: ≤ 2 A / 5...125 V
(40 W)
" in which positions.