118 JVL A/S - User Manual - Integrated Servo Motors MAC050 - 4500
3.4 User I/O
3.4.7 Multifunction I/O used as serial communication interface
The Multifunction I/O can be set up as a serial communication interface.
When this configuration of the Multifunction I/O is selected, the A and B channels func-
tion as a receive and transmit channel via which commands to the MAC motor can be
transmitted from, for example, a PC or PLC.
This feature can be used in all modes of operation.
The communication protocol is described in the MAC motor Technical Reference Guide,
which must be requested separately and is not part of this user manual. See also
MacTalk
communication, page 402.
The Multifunction I/O’s must be set up in MacTalk to function as a serial communication
interface.
Multifunction I/O's used as balanced serial interface
1-GND
2-AIN
3-O1
4-O2
5-A+
6-A
7-B+
8-B
Connector :
Manufacturer : AMP
Type : 770602-8 (2.54mm/0.1" pitch)
A
Signal GND
User I/O
TT0932GB
Twisted pair cable is recommended
Termination resistor 120-
270 Ohm is recommended
To / f r o m i n t e r n a l
control circuitry
RS422 I/O (balanced)
External RS422 com. port
B
The serial com-
munication can
be used in all
modes
TT0931GB
The Multifunction I/O's are setup
as a serial data communication
interface in this field
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