AC input power must be disconnected before any wiring to the AC motor drive is made.
Even if the power has been turned off, a charge may still remain in the DC-link
DANGER
capacitors with hazardous voltages before the POWER LED is OFF. Please do not
touch the internal circuit and components.
There are highly sensitive MOS components on the printed circuit boards. These
components are especially sensitive to static electricity. Please do not touch these
components or the circuit boards before taking anti-static measures.
Never reassemble internal components or wiring.
Ground the AC motor drive using the ground terminal. The grounding method must
comply with the laws of the country where the AC motor drive is to be installed.
DO NOT install the AC motor drive in a place subjected to high temperature, direct
sunlight and inflammables.
Never connect the AC motor drive output terminals U/T1, V/T2 and W/T3 directly to the
CAU TION
AC mains circuit power supply.
The rated voltage of the AC motor drive must be 115V for 110V models, 240V for
230V models, and 480V for 460V models.
Only qualified persons are allowed to install, wire and maintain the AC motor drives.
Even if the 3-phase AC motor is stop, a charge may still remain in the main circuit
terminals of the AC motor drive with hazardous voltages.
If the AC motor drive is stored in no charge condition for more than 3 months, the
ambient temperature should not be higher than 30°C. Storage longer than one year is
not recommended, it could result in the degradation of the electrolytic capacitors.
Pay attention to the following when transporting and installing this package (including
wooden crate, wood stave and carton box)
1. If you need to sterilize, deform the wooden crate or carton box, please do not
use steamed smoking sterilization or you will damage the VFD.
2. Please use other ways to sterilize or deform.
3. You may use high temperature to sterilize or deform. Leave the packaging
materials in an environment of over 56°C for 30 minutes.
Type of electrical supply system (3WYE) to which the drive shall be connected.
NOTE
For a detailed explanation of the product specification, the cover or the safety shields will be disassembled, as
described in graphic mode. As for the product in operation, please install the top cover and wiring correctly
according to the provisions. Refer to the manual operation to ensure safety.
The figures in this instruction are only for reference, they may be slightly different from the one you have, but it will
not affect your customer rights.
The content of this manual may be revised without prior notice. Please consult our distributors or download the
latest version at
http://www.deltaww.com/services/DownloadCenter2.aspx?secID=8&pid=2&tid=0&CID=06&itemID=060101&typeID
=1&downloadID=&title=&dataType=&check=0&hl=en-US
The minimum mounting clearances A~C stated in the table above applies to AC motor drives installation. Failing to
follow the minimum mounting clearances may cause the fan to malfunction and heat dissipation problems.
After removing the front cover, please check if the power and control terminals are clearly visible.
Please read following precautions to avoid wiring mistakes.
It is crucial to cut off the AC motor drive power before doing any wiring. A charge
may still remain in the DC bus capacitors with hazardous voltages even after the
DANGER
power has been turned off a short time. Therefore it is suggested to measure the
remaining voltage with a DC voltmeter on +1/DC+ and DC- before doing any
wiring. For your personnel saftery, please do not start wiring before the voltage
drops to a safe level < 25 Vdc. Wiring the installation with a remaning voltage
condition may cause injuries, sparks and short circuits.
Only qualified personnel familiar with AC motor drives is allowed to perform
installation, wiring and commissioning. Make sure the power is turned off before
wiring to prevent electric shocks.
The terminals R/L1、S/L2、T/L3 are for mains power input. If mains power is
wrongly connected to other terminals, it may result in damage to the equipment.
The voltage and current should lie within the range as indicated on the nameplate
(see Chapter 1-1).
All units must be grounded directly to a common ground terminal to prevent
electrical shocks or damage by lightning.
Please make sure to tighten the screw of the main circuit terminals to prevent
sparks due to the loosening of vibrations.
When wiring, please choose the wires with specification that complies with local
regulations for your personal safety.
Check following items after finishing the wiring:
1. Are all connections correct?
2. Any loose wires?
3. Any short-circuits between the terminals or to ground?
4-2
Page 26
4-1 Wiring
Chapter 4 WiringMS300
4-3
Page 27
Chapter 4 WiringMS300
Figure 1
4-4
Page 28
Figure 2
SINK (NPN) / SOURCE (PNP) Mode
Chapter 4 WiringMS300
Sink Mode
with internal power (+24Vdc)
Sink Mode
with external power
internal
circuit
Source Mode
with internal power (+24Vdc)
Source Mode
with external power
internal
circuit
internal
circuit
external power +24Vexternal power +24V
internal
circuit
4-5
Page 29
Chapter 4 WiringMS300
4-2 System Wiring Diagram
4-6
Page 30
Chapter 5 Main Circuit TerminalsMS300
Chapter 5 Main Circuit Terminals
5-1 Main Circuit Diagram
5-2 Main Circuit Terminals
5-1
Page 31
Chapter 5 Main Circuit TerminalsMS300
Fasten the main circuit terminal screws to prevent sparking by loose screws
due to vibration.
When needed, only use an inductive filter at the motor output terminals
DANGER
U/T1, V/T2, W/T3 of the AC motor drive. DO NOT use phase-compensation
capacitors or L-C (Inductance-Capacitance) or R-C
(Resistance-Capacitance), unless approved by Delta.
DO NOT connect brake resistor directly to +1/DC+ to DC-, +2/B1 to DC- to
prevent damage to the drive.
Ensure proper insulation of main circuit wiring in accordance with the
relevant safety regulations.
Main power terminals
R/L1, S/L2 and T/L3 have no phase-sequence requirement; they can be
connected in any sequence.
It is recommended adding a magnetic contactor (MC) at the power input to
cut off power quickly and reduce malfunctioning when the protection
function of the AC motor drive is activated. Both ends of the MC should have
an R-C surge absorber.
Please ensure voltages and currents are within specification.
When using a general GFCI (Ground Fault Circuit Interrupter), select a
sensitivity ≥200mA and ≥0.1s operation time to avoid nuisance tripping.
Please use conduits or shielded cables for the power wiring and ground
both ends of the conduit or shielded cables.
DO NOT run/stop the drive by turning the power ON/OFF. Run/stop the
drive by RUN/STOP command. If you still need to run/stop the drive by
turning power ON/OFF, it is strongly recommended to do so only ONCE per
hour.
To comply with UL standards, connect the drive to a 3WYE type of mains
power system.
Output terminals for main circuit
Use a well-insulated motor, suitable for inverter operation.
When the AC drive output terminals U/T1, V/T2, and W/T3 are connected to
the motor terminals U/T1, V/T2, and W/T3 respectively, the motor will rotate
counterclockwise (as viewed on the shaft end of the motor) when a forward
operation command is received. To permanently reverse the direction of
rotation, switch over any two motor leads.
Fo wa rd
Running
5-2
Page 32
1+2
/B1
2
/B1
2
Chapter 5 Main Circuit TerminalsMS300
Terminals for connecting DC reactor, external brake resistor and DC
circuit
These are the terminals for connecting the DC-reactor to improve the power
factor and harmonics. At delivery they are shorted by a jumper. Please
remove it before connecting the DC reactor.
The jumper must be fastened tight when it does not connect DC reactor, use
DC+/+1, +2/B1 to execute common DC bus, or connect with brake resistor,
otherwise the drive might lose power or the terminals will be broken.
DC reactoroptional ()
DC+/+
Connect a brake resistor in applications with frequent deceleration, short
deceleration time, too low braking torque or requiring increased braking
torque.
Brake res istor
(optional)
+
The external brake resistor should connect to the terminals [+2 / B1], [B2] of
AC motor drives.
DO NOT short circuit or connect a brake resistor directly to DC+/+1 and
DC-, +2/B1 to DC- otherwise the drive will be damaged.
DC+ and DC- are to be connected in common DC bus applications, please
refer to Chapter 5-1(Main Circuit Terminal) for the wiring terminal
specification and the wire gauge information.
B
Remove the front cover
The front cover shall be removed before connecting the main circuit terminals and control circuit
terminals. Removing the cover acc. to the figure below.
The figure below shows Frame A model for example. Removing the cover on other frame sizes is
similar.
Press the clip on both sides, and take out by rotating.
5-3
Page 33
Chapter 5 Main Circuit TerminalsMS300
5-1 Main Circuit Diagram
Terminals Descriptions
R/L1, S/L2 Mains input terminals 1-phase
R/L1, S/L2, T/L3 Mains input terminals 3-phase
U/T1, V/T2, W/T3 Motor output terminals for connecting 3-phase
Connections for DC reactor to improve the power factor and harmonics.
+1, +2
The jumper needs to be removed in that case.
Connections for brake unit (VFDB series)
DC+, DC-
Common DC Bus
B1, B2 Connections for brake resistor (optional)
Earth connection, please comply with local regulations.
IM and PM motors.
5-4
Page 34
Chapter 5 Main Circuit TerminalsMS300
5-2 Main Circuit Terminals
It needs following additional terminal when wiring. The additional terminal dimension should comply
with the following figure 1.
After crimping the wire to the ring lug (must UL approved), UL and CSA approved R/C (YDPU2)
heat shrink tubing rated min 600Vac insulation shall be install over the live part. Please refer to the
If you install at Ta 45°C above environment, please select copper
wire which have voltage rating 600V and temperature resistant 90°C
or above.
If you install at Ta 45°C environment, please select copper wire
which have voltage rating 600V and temperature resistant 75°C or
90°C.
For UL installation compliant, you have to use copper wires when
installation, the wire gauge is based on temperature resistant 75°C
which is according to the requirements and recommendations from
UL. Do not reduce the wire gauge when using higher temperature
wire.
Min. Wire
2
]
[0.82mm
[0.82mm
Gauge
16AWG
[1.3mm
14AWG
[2.1mm
16AWG
[1.3mm
14AWG
[2.1mm
18AWG
16AWG
[1.3mm
18AWG
Screw
2
]
2
]
2
]
2
]
M 3.5
2
]
2
]
2
]
Torque
(±10%)
9 kg-cm
[7.8 lb-in.]
[0.88 Nm]
5-6
Page 36
Chapter 5 Main Circuit TerminalsMS300
Frame B
Main circuit terminals:
R/L1, S/L2, T/L3, U/T1, V/T2, W/T3,
If you install at Ta 45°C above environment, please select copper
wire which have voltage rating 600V and temperature resistant 90°C
or above.
If you install at Ta 45°C environment, please select copper wire
which have voltage rating 600V and temperature resistant 75°C or
90°C.
For UL installation compliant, you have to use copper wires when
installation, the wire gauge is based on temperature resistant 75°C
which is according to the requirements and recommendations from
UL. Do not reduce the wire gauge when using higher temperature
wire.
Min. Wire
2
]
[2.1 mm2]
Gauge
14 AWG
Screw
M4
Torque
(±10%)
15 kg-cm
[13.0 lb-in]
[1.47 Nm]
5-7
Page 37
Chapter 5 Main Circuit TerminalsMS300
Frame C
Main circuit terminals:
R/L1, S/L2, T/L3, U/T1, V/T2, W/T3,
If you install at Ta 45°C above environment, please select copper
wire which have voltage rating 600V and temperature resistant 90°C
or above.
If you install at Ta 45°C environment, please select copper wire
which have voltage rating 600V and temperature resistant 75°C or
90°C.
For UL installation compliant, you have to use copper wires when
installation, the wire gauge is based on temperature resistant 75°C
which is according to the requirements and recommendations from
UL. Do not reduce the wire gauge when using higher temperature
wire.
2
]
Min. Wire
Gauge
8 AWG
2
[8.4mm
10 AWG
[5.3mm
]
2
]
Screw
M4
Torque
(±10%)
20kg-cm
[17.4 lb-in.]
[1.96Nm]
5-9
Page 39
Chapter 5 Main Circuit TerminalsMS300
Frame E
Main circuit terminals:
R/L1, S/L2, T/L3, U/T1, V/T2, W/T3,
If you install at Ta 45°C above environment, please select copper wire
which have voltage rating 600V and temperature resistant 90°C or
above.
If you install at Ta 45°C environment, please select copper wire which
have voltage rating 600V and temperature resistant 75°C or 90°C.
For UL installation compliant, you have to use copper wires when
installation, the wire gauge is based on temperature resistant 75°C
which is according to the requirements and recommendations from UL.
Do not reduce the wire gauge when using higher temperature wire.
** These drives must be wired with ring terminal that dimensions are
specified.
Min. Wire
2
]
[13.3 mm2]
2
]
[21.2 mm2]
2
]
[8.4 mm2]
Gauge
6 AWG
4 AWG
8 AWG
Screw
M5
Torque
(±10%)
25 kg-cm
[21.7 lb-in.]
[2.45 Nm]
5-10
Page 40
Chapter 5 Main Circuit TerminalsMS300
Frame F
Main circuit terminals:
R/L1, S/L2, T/L3, U/T1, V/T2, W/T3,
If you install at Ta 45°C above environment, please select copper
wire which have voltage rating 600V and temperature resistant 90°
C or above.
If you install at Ta 45°C environment, please select copper wire
which have voltage rating 600V and temperature resistant 75°C or
90°C.
For UL installation compliant, you have to use copper wires when
installation, the wire gauge is based on temperature resistant 75°C
which is according to the requirements and recommendations from
UL. Do not reduce the wire gauge when using higher temperature
wire.
Min. Wire
Gauge
2 AWG
[33.6 mm
6 AWG
[13.3 mm
2
]
4 AWG
[21.2 mm
2
]
2
]
2
]
Screw
M6
Torque
(±10%)
40 kg-cm
[34.7 lb-in.]
[3.92 Nm]
5-11
Page 41
Chapter 5 Main Circuit TerminalsMS300
[ This page intentionally left blank ]
5-12
Page 42
Chapter 6 Control TerminalsMS300
Chapter 6 Control Terminals
Analog input terminals (AVI, ACI, ACM)
Analog input signals are easily affected by external noise. Use shielded wiring and
keep it as short as possible (<20 m) with proper grounding. If the noise is
inductive, connecting the shield to terminal ACM can bring improvement.
Use twisted-pair for weak analog signals.
If the analog input signals are affected by noise from the drive, please connect a
capacitor and ferrite core as indicated in the following diagram.
Wind each wire 3
times or more
around the core
Ferrite core
Contact input terminals(MI1~MI7, DCM, +24V)
Sink Mode
with internal power (+24Vdc)
Source Mode
with internal power (+24V dc)
internal
circuit
internal
circuit
Sink Mode
with external power
internal
circuit
exter nal power + 24Vexter nal power + 24V
Source Mode
with external power
internal
circuit
When the photo-coupler is using internal power supply, the switch connection for Sink
and Source as below: MI-DCM: Sink mode, MI-+24 V: Source mode
Transistor Output Terminal (MO1, MO2, MCM)
Make sure to connect the digital outputs to the right polarity, see wiring diagram
When connecting a relay to the digital output, connect a surge absorber across the
Delivery condition is +24V/ S1/ S2 shorted by jumper (as shown in figure above), please refer
to Chapter 4 Wiring for more details.
RELAY terminal is using PCB terminal block:
1. Tighten the wiring with slotted screwdriver, which is 3.5mm (wide) x 0.6mm (thick)
2. The ideal length of stripped wire at the connection side is 6~7mm.
3. When wiring bare wires, make sure they are perfectly arranged to go through the wiring
holes.
Control terminal is using spring clamp terminal block:
1. Tighten the wiring with slotted screwdriver, which is 2.5mm (wide) x 0.4mm (thick)
2. The ideal length of stripped wire at the connection side is 9mm.
3. When wiring bare wires, make sure they are perfectly arranged to go through the wiring
holes.
Wiring Specifications of Control Terminal
Conductor cross section solid
Conductor cross section stranded
Stranded with ferrules with plastic sleeve
Min. Wire GaugeMax. Wire Gauge
[0.519 mm
A B
14 8 3.5 1.4
Wire Gauge (AWG)
20 AWG
2
]
MAX)
D
18 AWG
[0.82 mm
20 AWG
[0.519 mm
W
2
]
2
]
Unit: mm
Ferrule: Type: AI 0,5 - 8 WH ,
Manufacturer: PHOENIX CONTACT
6-2
Page 44
r
Chapter 6 Control TerminalsMS300
Terminals Terminal Function Factory Setting (NPN mode)
+24V
MI1
~
MI7
DFM
DCM
MO1
Digital control signal common
(Source)
Multi-function input 1~7
Digital frequency meter
DFM
DCM
Digital frequency signal
common (Sink)
Multi-function Output 1
(photocoupler)
+24V ± 10 % 100 mA
Refer to parameters 02-01~02-07 to program the
multi-function inputs MI1~MI7.
Source Mode
ON: the activation current is 3.3 mA≧11Vdc
OFF: cut-off voltage≦5Vdc
Sink Mode
ON: the activation current is 3.3 mA ≦13Vdc
OFF: cut-off voltage≧19Vdc
When Pr. 02-00=0, MI1 and MI2 can be programmed
When Pr. 02-00≠0, the function of MI1 and MI2 is acc.
to Pr02-00 setting.
When Pr02-07=0, MI7 is pulse input with max.
frequency 33kHz (See Pr. 10-00, Pr. 10-02, Pr. 10-16)
DFM is a pulse-signal output; Duty-cycle: 50%
Min. load impedance R
: 1kΩ/100pf
L
Max. current: 30mA
Max. capacitive load: 100pF
Max. voltage: 30 Vdc ± 1 %
(when 30 Vdc / 30 mA /R
= 100 pf)
L
Max. output frequency: 33kHz
Internal current limiting resistor R: ≧1KΩ
Output load impedance R
L
Capacitive load≦100 pf
Resistive load≧1 kΩ,resistance determine the output
voltage value.
DFM-DCM voltage = external voltage * ( R
/ (RL+R) )
L
Programmable open-collector outputs, see Pr. 02-16 and
Pr. 02-17.
MO1
Multi-function Output 2
MO2
MO2
(photocoupler)
MCM
Multi-function Output
MCM
Max 48 Vdc 50 mA
Common
RA
Multi-function relay output 1
(Relay N.O. a)
Programmable relay output, see P
Resistive Load
3 A (N.O.) / 3 A (N.C.) 250 VAC
. 02-13.
5 A (N.O.) / 3 A (N.C.) 30 VDC
RB
Multi-function relay output 1
(Relay N.C. b)
Inductive Load (COS 0.4)
1.2 A (N.O.)/ 1.2 A (N.C.) 250 VAC
2.0 A (N.O.)/ 1.2 A (N.C.) 30 VDC
RC
Multi-function relay common
(Relay)
Various kinds of monitor signals output, e.g.: operation
frequency attained、overload indication etc..
6-3
、
Page 45
A
A
ACI
Chapter 6 Control TerminalsMS300
Terminals Terminal Function Factory Setting (NPN mode)
+10V Potentiometer power supply
Analog voltage input
AVI
internal circuit
internal circuit
nalog current input
ACI circuit
ACI
CM
internal circuit
+10.5 ± 0.5 Vdc / 20 mA
Programmable analog input, see Pr. 03-00
Impedance: 20kΩ
Range 0~Max. Output Frequency (Pr. 01-00):
0 ~ +10V / -10 ~ +10V
Range switching by Pr. 03-00 , Pr. 03-28
Programmable analog input, see Pr. 03-01
Impedance: 250Ω
Range 0~ Max. Output Frequency (Pr. 01-00):
0~20mA / 4~20mA / 0~10V
Range switching by Pr. 03-01 , Pr. 03-29
Multi-function analog voltage
output
Switch: the factory setting of AFM is 0~10V (Voltage
mode), use the switch and Pr. 03-31 to change to current
mode (0~20 mA / 4 mA~20 mA). Must follow the indication
on the back side of front cover or page 6-1 of user manual
when using the switch.
Voltage mode
Range: 0~10 V (Pr. 03-31=0) corresponding to the max.
AFM
operating range of the control object
Max. output current : 2 mA
Max. Load : 5 kΩ
Current mode
Range : 0~20 mA (Pr. 03-31=1) / 4 mA~20 mA (Pr.
03-31=2) corresponding to the max. operating
range of the control object
Max. load : 500 Ω
ACM Analog Signal Common Common for analog terminals
6-4
Page 46
Chapter 6 Control TerminalsMS300
Terminals Terminal Function Factory Setting (NPN mode)
KPMS-LE01
Method 1: Direct installation on a plate (unit: mm [inch])
Torque:
8~9 kg-cm
[6.94~7.81 lb-in.]
0.78~0.88 Nm]
Method 2: Mounting through a plate (unit: mm [inch])
Thickness = 1.2 [0.05] or 2.0 [0.08]
※ The extension cable models and cable length specifications are in the following table:
Models
Extension Cable Length (Unit:mm [inch] )
EG0610C 600 [23.62]
EG1010C 1000 [39.37]
EG2010C 2000 [78.74]
EG3010C 3000 [118.11]
EG5010C 5000 [196.85]
7-44
Page 92
7-12 DIN-Rail Mounting
MKM-DRB (applicable for Frame A and Frame B)
Screw Torque
8~10 kg-cm
72.0[2.83]
Chapter 7 Optional AccessoriesMS300
8.0[0.31]
M4*2PCS
[6.9~8.7 lb-in.]
[0.7 ~0 98 Nm]
MKM-DRC (applicable for Frame C)
Screw Torque
10~12 kg-cm
142.0[5.59]
10.2[0.40]
4.6[0.18]
(M4 NUT)
unit: mm[inch]
87.0[3.43]8.0[0.31]
M5*4PCS
[8.7~10.4 lb-in.]
[0.98~1.18 Nm]
157.0[6.18]10.2[0.40]
5.7[0.22]
(M5 NUT)
unit: mm[inch]
7-45
Page 93
Chapter 7 Optional Accessories MS300
Installation
Screw Torque
MKM-DRB M4*P0.7*2PCS
MKM-DRC M5*P0.8*4PCS
8~10 kg-cm
[6.9~8.7 lb-in.]
[0.78~0.98 Nm]
10~12 kg-cm
[8.7~10.4 lb-in.]
[0.98~1.18 Nm]
MKM-DRB: for frame A. B
MKM-DRC: for frame C
7-46
Page 94
Chapter 7 Optional AccessoriesMS300
7-13 Mounting Adapter Plate
This mounting adapter accessory is to change the wiring way of MS300/MH300 series to provide
flexible installation. It changes the wiring from mains input/motor output at the bottom to mains input from
the top and motor output from the bottom. When you change drive from VFD-E / VFD-EL series to MS300
/ MH300 series, you can use original wiring method, the correspondence table is showing as below.
The option cards mentioned in this chapter are optional items. Please select applicable option cards
for your drive or contact your local distributor for suggestion. The option cards can improve the
performance of the drive significantly.
To prevent damage to the drive during installation of the option cards, please remove the cover
before wiring.
8-1 Option Card Installation
1. Switch off the power supply.
2. Open the front cover of the drive.
3. As shown in Fig. 8-1, aim the two clips at the option card fixed fitting.
Press the fixed fitting to clip the slot.
Fig. 8-1
4. As shown in Fig. 8-2, aim the three holes at the positioning pin.
Press the pin to clip the holes with the option card.
Fig. 8-2
8-2
Page 100
Chapter 8 Optional Cards MS300
5. Wiring after the option card fixed fitting is clipped with the holes (see
NOTE
).
Fasten the screw to fix the option card before wiring (shown in Fig. 8-3). Torque:4~6 kg-cm
[3.5~5.2 lb-in] / [0.39~0.59 Nm]. While the wiring is finished, the front cover cannot put it back
on directly but needs to assembly the option card reversely. Please refer to the subsequent
steps to complete the installation.
Torque:
4~6 kg-cm
[3.5~5.2 lb-in.]
[0.39~0.59 Nm]
Fig. 8-3
6. After the wiring is completed, loosen the option card of the front mounting,and
reverse-mounted, aim the three holes at the positioning pin, press the pin to clip the holes with
the option card. (shown in Fig. 8-4)
Fig. 8-4
8-3
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