Encoder Signals - ABB ACS 601 Hardware Manual

Appendix A – ACS/ACC/ACP 601 Technical Data
Encoder Input

Encoder Signals

A-16 ACx=ACS/ACC/ACP
ACS/ACC/ACP 600
NIOC-01 Board
Characteristic of incremental encoder signals in applications using the
incremental encoder (for clockwise rotation, viewed from the drive end)
is presented below.
a a a a
5 V
A+
5 V
B+
5 V
Z+
a a a a
5 V
A-
5 V
B-
5 V
Z-
ACP 600
NIOCP-01 Board
One Encoder Input: 3 channel differential,
+5 V encoder supply, frequency ≤ 200 kHz,
supply cable resistance compensation.
COMBICON connector, 15 pins. Meets the EIA
standard RS 422.
Required Encoder Type: Contact ABB
Application Engineer or your local ABB
Representative fo assistance.
Encoder Signals: Signal level/Load capacity:
5 V rectangular-pulse signals;
Time between edges: a > 0,8 µs at f
≤ 120 ns;
Edge steepness: t
v
Delay of reference signal Z (zero pulse):
≤ 60 ns;
t
d
Sampling frequency: f
max
t t
v v
t
d
t
t
d t
v v
t
d
t
d
ACS/ACC/ACP 601 Drives
;
max
= 200 kHz.