Control Connections - Emerson Leroy Somer DIGISTART D3 User Manual

Safety Rating Mechanical
Information Data Installation
4.1.8 Programmable inputs
The default setting of programmable input A is 'Starter Disable' (Pr 3A ). If the Starter Disable function is not required, change
the setting of Pr 3A or connect a link across DI4, +24V.
If programmable input A is set to 'Starter Disable', the circuit must be closed for the starter to operate. An open circuit across DI4,
+24V will disable the starter. The Digistart D3 will not respond to start commands. If running, the soft starter will allow the motor to
coast to stop, ignoring the soft stop mode set in Pr 2H .
4.2

Control connections

Figure 4-8 Digistart D3 electrical schematic
220-440 VAC
PT3
PT4
PT5
C
B B
1 Control voltage
2 Remote control inputs
3 Motor thermistor input
4A RTD/PT100 input - 2-wire
4B RTD/PT100 input - 3-wire
4C RTD/PT100 input - 4-wire
5 24 Vdc output
6 Relay outputs
7 Analog output
The Digistart D3 can be disabled via the control inputs. An open circuit across DI4, +24V will disable the starter. The Digistart D3 will
not respond to start commands. If running, the soft starter will allow the motor to coast to stop, ignoring the soft stop mode set in Pr
2H .
To use the starter disable function, set Pr 3A to 'Starter Disable' (this is the default setting).
If the Starter Disable function is not required, change the setting of Pr 3A or connect a link across DI4, +24V.
For keypad control, the soft starter requires:

control supply connections (terminals CSH, CSL, CSR depending on the control voltage)

programmable input A (DI4, +24V) must be closed or Pr 3A Input A Function must be changed (the default setting is
Starter Disable)
Digistart D3 User Guide
Issue: F
Electrical Keypad Quick Start
Installation and Status Commissioning
CSH
+10%
-15%
CSL
+10%
110-210 VAC
CSR
-15%
DI1
+24V
DI2
+24V
DI3
+24V
DI4
+24V
DI5
+24V
TH1
TH2
PT3
PT3
A
PT4
PT4
PT5
PT5
E
Operation Programming Diagnostics Application
+24V
5
0V
1
COM1
RLO1
COM2
RLO2
COM3
2 6
RLC3
RLO3
COM4
RLC4
RLO4
3
AO1
4
7
0V
DI1, +24V Start
DI2, +24V Stop
DI3, +24V Reset
DI4, +24V Programmable input A
DI5, +24V Programmable input B
COM1, RLO1 Relay output A
COM2, RLO2 Run relay output
COM3, RLC3, RLO3 Relay output B
COM4, RLC4, RLO4 Relay output C
Technical Maintenance Options
Examples Data
21