Fagor CNC 8060, Manual, Page: 124 / 148

·124·
Remote modules
CNC 8060
CNC 8065
7.
(R
EF
: 1402)
R
E
MOTE MODU
LE RCS-S. (SERCOS PROTOCOL)
Work levels for sinusoidal 1 Vpp signal.
Work levels for SSI signal.
Bidirectional 485 data line and unidirectional clock line.
Maximum frequency: 500 kHz.
A and B signals. Amplitude: 0.6 ÷ 1.2 Vpp
A and B signals. Centered: |V1-V2| / 2 Vpp =< 6,5%
A and B signals. Ratio: VApp / VBpp = 0.8 ÷ 1.25
A and B signals. Phase shift: 90º ± 10º
I0 signal. Amplitude: 0.2 ÷ 0.85 V
I0 signal. Width: T-90º =< I0 =< T+180º
Transmission: SSI synchronous serial transfer via RS 485.
Levels: EIA RS 485
Clock frequency: 100 kHz - 500 kHz
Maximum number of bits (n): 32 (configurable).
T: 1 µs to 10 µs
t1: > 1 µs
t2: 20 µs to 35 µs
SSI: Gray or binary (configurable).
Parity: Fully configurable.
A
B
Io
V1
V2
VApp
VBpp
VIopp
T
M SB LSB
1 2 3 n-1
n
t
1
t
2
Clock sequ ence