Nidec Digistart D4 User Manual

Installation
4.7 Typical installation
The soft starter is installed with a main contactor (AC3 rated). Control voltage must be
supplied from the input side of the contactor.
The main contactor is controlled by the main contactor output (33, 34).
A
+
M
42
41
6/T3
2/T1
33
34
4/T2
54
53
44
21
22
B5
B4
12
13
14
15
11
A2
A1
A3
5/L3
3/L2
10
1/L1
F1
S1
S2 K1
K1
7
6
5
3
2
1
10
4
9
8
17674.B
(L/+)
1
Three-phase supply
K1
Main contactor
2
Motor
F1
Semiconductor fuses (optional)
3
Control voltage (soft starter)
10, 11 (S1)
Reset
4
Digital inputs
11, 12 (S2)
Start/Stop
5
Motor thermistor input
13, 14
Programmable input A
(default = Input Trip (N/O))
6
Relay outputs
13, 15
Programmable input B
(default = Input Trip (N/O))
7
Analog output
B4, B5
Motor thermistor input
8
Control voltage (external
equipment)
33, 34
Main contactor output
9
Pilot lamps
41, 42, 44
Relay output A (default = Run)
10
Communications / Smart card
expansion port
53, 54
Relay output B (default = Run)
21, 22
Analog output
25

Nidec Digistart D4 Specifications

General

Brand	Nidec
Model	Digistart D4
Category	Controller
Language	English