Control Techniques M'Ax 403 User Manual page 18

*
Signal connections for serial communications
Suitable for versions:
_SL, _AN (essential for version _SL)
Use either of the following types of serial link, as appropriate:
EIA232
Use with a PC running a dedicated application program only for
setting up a single Drive
Maximum recommended cable length: 2 metres (6 feet)
EIA485
Use with a PLC for setting up, controlling and monitoring one or
more Drives and/or other devices.
Maximum cable length: 1200 metres (4000 feet)
For further information, see Appendix C Serial Communications on page
87. Then make the connections shown below for either EIA232 or
EIA485 (not both).
Connections shown in grey are optional.
The Drive can be reset in any of the following ways:
Closing the RESET contact
PC or PLC: Setting parameter 10.33 at 1
Version _AN: Keypad
Via serial communications: Setting parameter 10.38 at 100
EIA232
RXD
interface
TXD
0V
Drive monitoring
PLC
EIA485
RX
interface
RX\
0V
TX
TX\
RUN
RESET
Figure 2-7 Signal connections for remote control and setting up
by serial communications (PC running a dedicated application
program or a PLC)
12
Isolation
MULTIDROP IN/PC
device
8 TXD
7 RXD
RX
13
14 RX\
6 TX
7 TX\
6
The Drive can be started and stopped by a RUN contact or by changing
the setting of parameter 6.34 Sequencing bit RUN via serial
communications. Using a RUN contact gives faster control.
Parameter
1.14 {0.30}
8.21 RUN to be controlled by
RUN to be controlled by
serial comms.
Optional wiring depending on
which serial communication is
=
being used (EIA232 or EIA485)
6
Function Setting
Any
Leave at default (6.34)
contact
The number of a
parameter that is not
being used, eg. 6.32
M'Ax User Guide
Issue Number: 4