EUCHNER HBAS - Manual (Page 32)

EUCHNER Hand-Held Pendant Station
11. Installation instructions
The observance of the EMC regulations stipulated for the EUCHNER hand-held pendant
stations requires the use of screened connection cables.
The screen on the hand-held pendant station cable is connected to the plug housing.
A metal flange socket is to be fitted to the customer's installation and its housing grounded
with a low resistance and low inductance connection.
Further cables from this point to the communication interface and for the further processing
of pulse generator signals are also to be screened and the screen connected to a suitable
point of grounding on the control system.
A flange socket is available as an accessory for installation
An RS 422A transmitter module and an RS 422A receiver module are to be provided for the
communication interface.
An RS422A receiver module is to be provided on the control system for the pulse generator
signals.
12. Technical Data: Pulse generator
Pulse generator
Output circuit RS 422A
Connection A corresponding RS 422 receiver module is
to be used at the control system end
Pulse diagram for increasing numbers,
CW (clockwise rotation)
90˚
360˚
A
A
B
B
Idle condition
Pulse diagram for decreasing numbers,
CCW (counter clockwise rotation)
90˚
360˚
A
A
B
B
Idle condition
Driver layout
RS422
A
A
RS422
Transmitter
in the HBAS
Receiver
in the control system
RS422
B
B
RS422
092491-07-01/09 Subject to technical modifications Page 32 / 34