4 HEIDENHAIN Technical Manual iTNC 530
When using a wireless handwheel and the HRA adapter at X23 of the MB 6xx,
you must ensure that the assignment between the handwheel and the HRA
is unambiguous. The individual serial numbers of the wireless handwheel and
the HRA are used for mutual assignment. When the control to which the HR
and the HRA are connected is switched on for the first time, both units
exchange their serial numbers and store them. To do this, the wireless
Specifications HR 550FS with HRA 551FS
Radio range (max. distance between
the HR and the HRA)
Max. 20 m in direct line of sight
(depending on the ambient
conditions)
Ambient temperature during
operation
0 ¬×C to + 40 ¬×C
Ambient temperature for charging
process of battery
+ 5 ¬×C to + 40 ¬×C
(recharging the battery at a
temperature of < + 10 ¬×C may
reduce the battery life)
Storage temperature of NiMH
rechargeable battery
‚Äì20 ¬×C to +21 ¬×C with a state of
charge of 40%
Power supply for HRA 551FS 12 V
Display resolution 128 x 64 pixels
Power consumption Max. 10 W during charging phase
Batteries Package with 4 x AA batteries
NiMh 4.8 V/2400mAh
Complete charging time Approx. 150 minutes
Life of rechargeable battery Approx. 16 hours with a utilization of
50%
Radio frequency ISM band 2.4 GHz
Transmitter power 10 mW
Usable number of channels 16
Number of possible HRs with
wireless transmission
Only one wireless HR per machine
tool
Degree of protection IP 54 for HR 551FS
IP 54 for HR 550FS
Max. voltage for relay contacts in
HRA 551FS
250 V~
Max. current for relay contacts in
HRA 551FS
3.6 A
Reaction times of Emergency Stop
and permissive buttons safety
functions
Time until the reaction of the relay
contacts: max. 170 ms; typically
60 ms
FCC-ID YJKHR550FS
Weight HR 550 1 kg
ID for HR 550FS without mech.
detent
598 515-xx
ID for HR 550FS with mech. detent 606 622-xx
ID HRA 551FS 731 928-xx
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