Installation
24
GA 05.136/2.02 - 10/98
Analog inputs
The converter has two analog inputs with a 10-bit reso-
lution.
Input signal:
0...10V
standard
4...20mA
on request
A supplementary function can be set for analog input 2
via the operator control menu; see Section 4.3.2:
No function:
The input signal can be output via
the serial interface.
Frequency setpoint: In addition to the function descri-
bed above, the drive frequency set-
point is entered via analog input 2.
Digital inputs
The converter has 5 digital inputs with the following
functions:
TMS OFF
Purge gas OFF
Vent ON
The functions are active if a High signal (15 V; e.g. Pins
28 or 29) is connected at the digital input.
Remote
Start (if Remote is active)
The functions Start and Remote are active if a Low sig-
nal (GND; e.g. Pins 27 or 43) is connected at the digital
input.
1
5
6
9
1
+5V Power supply for plug-in control
2
TXD
3
RXD
4
n.c.
5
GND
6
-5V Power supply for plug-in control
7
Reset out for plug-in control
8
select plug-in control input
9
Boot input
Fig. 21
Connector assignment, interface X7 (front side)
2.8.4 Interface connector
A 9-pin sub-D socket is provided at the front panel to
connect a higher-level open-loop control and monitoring
unit or a PC with the MAG.WIN operator control pro-
gram.
The connector X7 is assigned the serial interface RS
232.
Further information on the serial interface and the inter-
face protocol to be used are provided in the optional
manual „Serial interface MAG.DRIVE”.
