I/O Interfaces; Ioec I/O Modules; Figure 4-6 Ioec Interfaces Overview - ABB ACS1000i User Manual

4.2.2.7. Operating modes
The drive provides the following operating modes:
– Master-follower operating mode: used for applications with several drives where the
motor shafts are coupled to each other (eg, gearing, chain, belt). Owing to the master-
follower operating mode the load can be evenly distributed between the drives or at
some adjustable other ratio which depends on the process.
– Hand-auto operating mode: suitable for applications where the speed has to be
controlled automatically by a process automation system and manually by an external
control panel. The active control station is selected via a digital input.
The operating mode is also recommended when two external control stations exist from
where the reference value can be set and the drive can be started and stopped. The
external control station is selected via a digital input.

4.3. I/O interfaces

4.3.1. IOEC I/O modules

Internal and external, analog and binary I/O signals are connected to the control system by
IOEC modules.
The standard I/O includes one external module (IOEC 2, IOEC 3) and one module that is
internal to the drive operation (IOEC 1). The standard I/O provides standard control and
supervision functionalities sufficient for most applications.
The drive can include an optional expansion I/O that includes an external module (IOEC 4).
These expansion modules provide extra inputs and outputs for control and supervision as
may be required by the drive or the customer to support various control options.
1
6
Figure 4–6 IOEC interfaces overview
1) IOEC 1
2) IOEC 2
3) IOEC 3
4) IOEC 4
PRODUCT
ACS1000i
2
6
DOCUMENT KIND
User manual
5
3
7
5) AMC circuit board
6) Standard
7) Option
DOCUMENT ID.
3BHS206977 E01
CONTROL SYSTEM
4
7
REV. LANG. PAGE
J en 53/146