ABB ACS 311-1P1-1 - Page 36

28 ACS 300 User’s Manual
Chapter 4 - Control Connections
converter when operating from the keypad. Control voltage
is connected to X1:7.
Parameter PARAM SET has value 1.
Table 4-5 3-wire digital input functions.
1)
Minimum Start pulse is 50 ms. Stop must be connected to
+24 V for Start to function.
2)
Minimum Stop pulse is 50 ms. If Start is active (+24 V), the
ACS 300 will restart after Stop pulse is connected to +24 V
Figure 4-5 3-wire recommended wiring and
switch S1 selection.
Digital input Function Notes
DI1 Start
1)
Connect momentary +24 V DC to Start.
DI2 Stop
2)
Connect momentary 0V DC to Stop.
DI3 Reverse Connect +24 V DC to Reverse.
DI4 CS1 Constant speed (=CS) selection,
refer to Table 4-6.
DI5 CS2
+24 V
DI1 Start
DI2 Stop
DI3 Reverse
DI4 CS1
DI5 CS2
MOL or
External
Interlock
Start n.o.
Stop n.c.
3.Wire
OFF
ON
0 1
A
B
C