Pump Driving; Stop Speed Reading And Active Stop; J2 - Serial Connector; Connector Examples - Varian 969-8988 Bedienungshandbuch

Pump Driving

Typical pump driving chart start and normal operation.
1500
1250
1000
500
250
0
0 50 100 150
Diagram 4

Stop Speed Reading and Active Stop

This functions can be activated by Front Panel or serial
line (Win 107, 167).
Active Stop brakes the pump using the motor. The Stop
Speed reading reads the pump speed after a stop
command.
Speed
SSR
Diagram 5
108
Freq. (Hz)
Power. (W)
12
200 250 300 350 400
Time (s)
AS
Time
J2 – SERIAL CONNECTOR
This connector provides the connection for RS – 232
and RS – 485 serial line.
J2 Pin-out:
96
84
72
60
48
36
24
0
- 12 PIN N.
1
2
3
4
5
6
7
8
9

Connector examples:

5
2
PC
3
78
TECHNICAL INFORMATION
SIGNAL NAME
+5 V (OUT) (Reserved)
TX (RS232
RX (RS232
NC
GND
A + (RS485)
NC
B – (RS485)
RESERVED
5
TV 301 AG
2
Rack Controller
3
RS – 232 Connection
RS – 485 Connection
87-900-986-01 (C)