ABB ACS 300, User Manual

Page: 41 / 101

ACS 300 User’s Manual 27
Chapter 4 - Control Connections
Input/output Option
Selection I/O option switch S1 on the control card is used to configure the
digital inputs and the control panel lock-out. The ACS 300 control
input can be configured for eight differently wired control modes
with S1, A and S1, B and parameter PARAM SET:
•Standard, refer to Figure 4-3, Table 4-1 and Table 4-2
•3-wire, refer to Figure 4-4, Table 4-5 and Table 4-6
•Alternate, refer to Figure 4-5 and from Table 4-9 to Table 4-11
•Motor potentiometer, refer to Figure 4-6 and Table 4-14
Set value 2 to parameter PARAM SET to get access to the
following four I/O selections.
•Standard 2, refer to Figure 4-3, Table 4-3 and Table 4-4
•3-wire 2, refer to Figure 4-4, Table 4-7 and Table 4-8
•Alternate 2, refer to Figure 4-5 and from Table 4-12 to Table 4-13
•Motor potentiometer 2, refer to Figure 4-6 and Table 4-15
Note! The factory setting is standard.
Switch S1, C is used to lock parameter setting.
If S1, C is in the OFF (0) position, parameter values can be
changed and the control place can be switched to local (panel
control).
If S1, C is in the ON (1) position, the parameter settings are
locked and parameter values cannot be changed, but can be
examined. When locked, panel control is not allowed and
“HARDWARE LOCK S1” message appears on the control panel
display if you try to use the panel keys.