WÄRTSILÄ Vasa R22, Instruction Manual

Page: 286 / 297

3 Adjust the channel potentiometer
to the calculated
value of the TP voltage.
By short-circuiting TP3 on the nDE-card ( C2 ) the possible
delay of the relays can de determined. Respective trimpoten-
tiometers are P604, P605, P606.
Note! During the test the adjusted switchpoint of the relay can be
adjusted to a value below the test voltage, if this is higher than
the voltage generated by the test oscillator (TP3 at card C2).
Relay card C3
c) Technical specification
Inputs:
Supply voltage: . . . . . . . . . . . . . . . . . . . . . . . . . +12 V, 0, -12 V
Current consumption: . . . . . . . . . . . . . . . . . . . . . . . max 60 mA
Control voltage: . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0...10 V DC
Outputs:
3 relays, each having two changeover contacts.
Switchpoint: . . . . . . . . . . . . . 0...100 % of the measuring range
Delay: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0...30 sec.
Breaking capacity:. . . . . . . . . . . . . . . . . . . . . . . 110 V DC/0.3 A
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 V DC/1.0 A
Ambient temperature:. . . . . . . . . . . . . . . . . . . . . . . . . -25...+71°
Delay 2 Switchpoint 3
2 8 7 26 5 16
1 DE
n
RELAY I
4 9 10 18 23 19 28 30 31 12 24 13 17 15 27 29
n 2DE n 3 DE
+-12VDC 0...10V
- 0 +
Switchpoint 2 adj. Delay 3
TP3 TP2 TP1
Switchpoint 1 adj. Delay 1
Fig 23-4
2223568935
22-9601 Instrumentation and Automation 23
VASA 22 23 - 11