56
1018854 12/2015 V01
D2048
Incremental motor feedback system with square wave signals, reference signal
and commutation signals (RS 422 standard)
Table 56.1
1)
Source: Manufacturer
2)
for quadcounting
Signal Wave Form
Valid for direction of rotation
- CW motor shaft (with a view from the front of the motor shaft)
- CCW output flange for CHA
T = 360° / 2048
a, b, c, d = 0,25 T
T
z
= 1/4 T
H
N
= 360° / 5 = 72°
d ≤ ± 5° el.
Illustration 56.2
Ordering code
Symbol [Unit]
D2048
Manufacturer's designation
EBG
Power supply
1)
U
b
[VDC]
5 ± 10%
Current consumption (without load)
1)
I [mA]
40
Incremental signals
RS422
Wave form
square wave
Number of pulses
n
1
[A / B]
2048
Commutation signals
RS422
Signal form
square wave
Number of pulses
n
2
[U / V / W]
5
Reference signal
n
3
[Z]
1
Accuracy
1)
[arcsec]
± 600
Incremental resolution (motor side)
2)
[qc]
8192
Resolution (output side)
2)
Gear ratio CHA
i [ ]
30
50
80
100
120
160
[arcsec]
5.3
3.2
2.0
1.6
1.4
1.0
