1518 HEIDENHAIN Technical Manual iTNC 530 HSCI
8.8.5 HR 550FS wireless handwheel
Another product of the new HR 5xx handwheel family, the HR 550FS wireless
handwheel for the iTNC 530 (HSCI), is now available in addition to the HR 520.
The standard iTNC 530 (HSCI) supports the use of electronic handwheels. The
handwheels are connected to X23 of the MC, or to X23 of the machine
operating panel in the case of HSCI.
A wireless handwheel system consists of the HR 550FS mobile part and the
HRA 551FS handwheel adapter. The HR 550FS has a rechargeable battery for
mobile operation on the machine. During operation it continuously
communicates via radio with the HRA 551FS handwheel adapter, which
communicates directly with the control via a serial cable connection.
The HRA 551FS handwheel adapter, which functions both as receiving and
charging station for the mobile part, features an M23 connector system for
connection to the control via a standard handwheel adapter. If the wireless
handwheel system is damaged, the dummy plug for the emergency stop
circuit (ID 271 958-03) can be used so that the operational readiness of the
machine can be restored quickly.
To ensure the necessary and unambiguous assignment of the HR 550FS to
the HRA 551FS, a pairing is created during commissioning. Once they have
been paired, a wireless handwheel and a handwheel adapter can only be
operated with the assigned device. As a precautionary measure, paired
devices must be marked by the stickers (in five different colors) included in the
items supplied so that they can be identified visually (the soft-key label strip
for the mobile part must have the same color as the round sticker for the
handwheel adapter). After successful pairing, they must be affixed to the
wireless handwheel system. The available colors are gray, blue, red, green and
yellow.
The wireless handwheel system can be used in many different places thanks
to the 2.4 GHz ISM radio band, which is freely accessible almost all over the
world. The HR 550FS complies with the internationally accepted standards.
For radio communication, the HEIDENHAIN HR 550FS uses 2.4 GHz ZigBee
transmission technology with a special HEIDENHAIN communications
protocol.
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