Control Circuit Wiring - Delta VFD-A Series User Manual

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Control Circuit Wiring

(1) Control terminal block designations
The control leads must be routed separately from the power supply and motor leads.
They must not be fed through the same cable conduit.
220V/440V Class 1∼5HP (AWG: 28 – 14; Torque:4 kgf-cm)
220V/440V Class 7.5∼30HP (AWG: 24 – 12; Torque:4 kgf-cm)
RA RB
(2) Control terminal block descriptions
Close Contacts
between Terminals
RA - RC
RB - RC
MI1 - DCM
MI2 - DCM
MI3 - DCM
REV - DCM
FWD - DCM
RST - DCM
EF - DCM
DFM - DCM
TRG - DCM
MO1 - MCM
MO2 - MCM
+10V - ACM
AVI - ACM
ACI - ACM
AFM - ACM
SG+ - SG-
+EV - DCM
Note: Use twisted-shielded or twisted-pair shielded-lead wires for the control signal.
recommended to run signal wiring in a separate steel conduit.
connected at the drive.
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Terminal Symbol
RA RB RC +10V
MI3 FWD REV
MI1 MI2
RC MI1 MI2 MI3
REV FWD RST
Terminals Use
Multi-function indication output
contact
Multi-function indication output
contact
Multi-function input 1
Multi-function input 2
Multi-function input 3
Reverse / Stop
Forward / Stop
Reset
External fault
Digital frequency meter
Counter trigger input
Multi-function PHC output 1
Multi-function PHC output 2
Power supply for speed setting +10 V (20 mA max. output current)
Analog voltage input
Analog current input
Analog frequency/current
meter
Serial communication interface RS-485 serial port
Auxiliary control power source
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AVI ACI AFM ACM MO1 MO2
RST EF TRG DCM DFM SG+
+10V
EF TRG DFM DCM MO1 MO2 MCM
Function
Refer to Chapter 5, Pr.57
Refer to Chapter 5, Pr.39, 40, 41
"Open"→stop, "Close" → Reverse
"Open"→stop, "Close" → Forward
"Close" → Reset
"Close" → External fault
Digital frequency output (0, +10 V)
"Open"→"Close":(counter value)+1
Refer to Pr.45, 46
(open collector output)
0 ∼10 V (Max. output freq.) input
4 ∼20 mA (Max. output freq.) input
0 ∼10 V (Max. output freq.) output
DC 20V ~ 24V (50mA Max.)
The shield wire should only be
9
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MCM +EV
SG- DCM
AFM XX
AVI ACI ACM SG+ SG
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It is