Moving the machine axes 15.2 – HEIDENHAIN TNC 640 (34059x-04) User Manual

Page 501

Moving the machine axes 15.2

TNC 640 | User's Manual

HEIDENHAIN Conversational Programming | 3/2014

501

Special features of the HR 550 FS wireless handwheel

Due to various potential sources of interference,

a wireless connection is not as reliable as a cable

connection. Before you use the wireless handwheel

it must therefore be checked whether there are any

other radio users in the surroundings of the machine.

This inspection for presence of radio frequencies

or channels is recommended for all industrial radio

systems.
When the HR550 is not needed, always put it in the

handwheel holder. This way you can ensure that the

handwheel batteries are always ready for use thanks

to the contact strip on the rear side of the wireless

handwheel and the recharge control, and that there

is a direct contact connection for the emergency

stop circuit.
If an error (interruption of the radio connection, poor

reception quality, defective handwheel component)

occurs, the handwheel always reacts with an

emergency stop.
Please read the notes on the configuration of the HR

Caution: Danger to the operator and machine!

Due to safety reasons you must switch off the

wireless handwheel and the handwheel holder

after an operating time of 120 hours at the latest

so that the TNC can run a functional test when it is

restarted!
If you use several machines with wireless

handwheels in your workshop you have to mark the

handwheels and holders that belong together so that

their respective associations are clearly identifiable

(e.g. by color stickers or numbers). The markings on

the wireless handwheel and the handwheel holder

must be clearly visible to the user!
Before every use, make sure that the correct

handwheel for your machine is active.