2 - Fagor Automation

Drive modules
3.
DRIVE MODULES
Compact drives
188
DDS
HARDWARE
Ref.1307
174
With external absolute feedback device
15
10
14
9
13
8
12
7
11
6 1
5
4
3
2
1
2
3
4
5
6
7
8
9
10
11
12
F. H3/125
Connector X3. Signals sent by an external absolute feedback device.
V A
V B
F. H3/126
Characteristics of the square TTL signals and 1 Vpp sinusoidal signals.
RS-485
90° PHASE-SHIFT
F. H3/127
Characteristics of absolute signals in an SSI communication.
X5
X3
X4
SL2
X6
SL1
COMPACT DRIVE
BALLAST
DC BUS ON
STATUS
DISPLAY
V OH > 2.5 V
V OL < 0.5 V
V A
V B
t
90° PHASE-SHIFT
20 µm
A
A
B
B
DATA
DATA
CLK
CLK
+ 5 V DC
+ 5_SENSE
GND
GND_SENSE
VA = VB : 0.6 Vpp - 1.2 Vpp
Centering < 6.5%
VA / VB ratio: 0.8 Vpp - 1.25 Vpp
N= 32 bits; T= 1µs to 10 µs; t1 > 1µs; t2= 20 µs to 35 µs.
Logic levels, according to EIA-485.
1Vpp
t