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TECHNICAL INFORMATION
78 87-900-986-01 (
C
)
Pump Driving
Typical pump driving chart start and normal operation.
1500
1250
1000
500
250
0
0
50
100
150
200
250
300
350
400
- 12
12
24
0
36
48
72
84
96
108
60
Po
w
e
r
(W
)
Time (s)
F
requenc
y
(H
z
)
Freq. (Hz)
Power. (W)
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.
SSR
AS
Diagram 5
J2
–
SERIAL CONNECTOR
This connector provides the connection for RS – 232
and RS – 485 serial line.
J2 Pin-out:
PIN N.
SIGNAL NAME
1
+5 V (OUT) (Reserved)
2
TX (RS232
3
RX (RS232
4
NC
5
GND
6
A + (RS485)
7
NC
8
B – (RS485)
9
RESERVED
Connector examples:
5
5
2
2
TV 301 AG
Rack Controller
PC
3
3
RS – 232 Connection
RS – 485 Connection
Speed
Time