ABB ACS2000 AFE 2MVA, User Manual

Page: 67 / 181

67 ACS2000 AFE 2MVA UM 3BHS355653 ZAB E01 REV. H
Location
The fieldbus adapter is DIN rail-mounted inside the
control compartment
(3-10: 1) .
The indicated mounting position may vary depend-
ing on the number of optional devices present on
the swing frame.
3.3.6 Pulse encoder interface NTAC (option)
Overview
The pulse encoder is required for constant torque
applications.
Communication with AMC circuit board
The NTAC module communicates with the AMC cir-
cuit board of the INU via a fast optical link using
the standard DDCS protocol. The optical fibers are
connected to channel 1 of the AMC circuit board.
Location
The NTAC interface is DIN rail-mounted inside the
control compartment
(3-10: 2) .
The indicated mounting position may vary depend-
ing on the number of optional devices present on
the swing frame.
—
References
—
3-10 Location of fieldbus
and pulse encoder
interface
—
3-10
1
2
Terminals X1 Terminals X2
1 A+ Channel A 1 -V 0 V
2 A- 2 -V 24 V
3 B+ Channel B 3 +V
4 B- 4 24 / 25
5 Z+ Channel Z 5 15
6 Z- 6 24
7 SH Shield 7 0 V
8 SH 8 +24 V