TECO S310+ Series User manual

Microprocessor Controlled
I G B T Drive
Inverter Motor Speed
Regulator
Operation Manual
S310+ Series 400V class 0.75~3.7kW
(1.7~6.7kVA)

2018. 4
Distributor:
This manual may be modified when necessary because of improvement of the product,
modification, or changes in specification, this manual is subject to change without notice.
Add: Wuxi High&New Technology Industry
Development Zone. Block 65-C ,WuXi,
Jiangsu ,China.
Postcode:214028
Tel: [phone]
Fax: [phone](Electronic)
Website: www.taian-technology.com

i
S310+ Table of Contents
Chapter 0 Preface 0-1
0.1 Preface 0-1
Chapter 1 Safety Precautions 1-1
1.1 Before Power UP 1-1
1.2 During Power UP 1-2
1.3 Before Operation 1-2
1.4 During Operation 1-2
1.5 During Maintenance 1-3
Chapter 2 Definition of Model 2-1
2.1 Nameplate Data 2-1
2.2 Inverter Models 2-1
Chapter 3 Ambient Environment and Installation 3-1
3.1 Environment 3-1
3.2 Environmental Precautions 3-2
3.3 Electrical Installation 3-3
3.3.1 Wiring guidelines 3-3
3.3.2 Contactor and Circuit Breaker specification and wiring 3-4
3.3.3 Precautions for Peripheral Applications 3-5
3.4 Specifications 3-8
3.4.1 Product Specifications 3-8
3.4.2 General Specifications 3-9
3.5 Wiring Diagram S310+ Series Inverter 3-11
3.6 Description of connection terminals 3-12
3.7 Outline Dimension 3-13
Chapter 4 Software Index 4-1
4.1 Keypad Description 4-1
4.1.1 Keypad Display and Keys
4.1.2 Display Description
4.1.3 Function of digital tube display
4.1.4 Operational examples of Keypad
4.1.5 Control Mode Selection
4-1
4-2
4-4
4-5
4-6
4.2 S310+ Programmable Functions List 4-7
4.3 Parameter Function Description 4-18
Chapter 5 Troubleshooting and Maintenance 5-1
5.1 Error Display and Corrective Action 5-1
5.1.1 Error Display and Corrective Action 5-1
5.1.2 Operation errors 5-2
5.1.3 Special conditions 5-3
5.1.4The instructions for the Power and Alarm LED of the inverter 5-3
5.2 General Troubleshooting 5-4
5.3 Quick troubleshooting of S310+ series 5-5
5.4 Routine and periodic inspection 5-11
5.5 Maintenance and Inspection 5-12
Chapter 6 Peripheral Components 6-1
6.1 AC reactor and DC reactor specification at input side 6-1
6.2 Digital operator and extension cable 6-1
Appendix 1 S310+ Parameters Setting List
App1
Appendix 2 S310+ MODBUS Communication protocol
App
2
Appendix 3 S317+ Parameters Description
App
3

0-1
Chapter 0 Preface
0.1 Preface
To extend the performance of the product and ensure personnel safety, please read this manual
thoroughly before using the inverter. Should there be any problem in using the product that
can not be solved with the information provided in the manual, contact your nearest Taian’s
technical or sales representative who will be willing to help you.
※Precautions
The inverter is an electrical product. For your safety, there are symbols such as “Danger”,
“Caution” in this manual as a reminder to pay attention to safety instructions on handling,
installing, operating, and checking the inverter. Be sure to follow the instructions for highest
safety.
Danger Indicates a potential hazard that could cause death or serious personal
injury if misused.
Caution Indicates that the inverter or the mechanical system might be damaged if
misused.
Danger
 Do not touch any circuit boards or components after the power is turned off and while the
charging indicator is still lit. (The light will fade)
 Do not make any connections when the inverter is powered on. Do not check parts and
signals on circuit boards during the inverter operation.
 Do not disassemble the inverter or modify any internal wires, circuits, or parts.
● Ground the ground terminal of the inverter properly.
For 200V class ground resistance 100 Ω or below. For 400V class 10Ω or below.
Caution
 Do not perform a voltage test on parts inside the inverter. High voltage can destroy the
semiconductor components.
 Do not connect U, V, and W terminals of the inverter to any AC input power supply.
 CMOS ICs on the inverter’s main board are susceptible to static electricity. Do not touch
the main circuit board
0.2 Product Inspection
Taian inverters have all passed the function test before delivery. Please check the following
when you receive and unpack the inverter:
 The model of the inverter are the same as those specified in your purchase order.
 Check for any damages caused by transportation. Please do not apply power, and
contact a Taian sales representative if any of the above problems occurred.

1-1
Chapter 1 Safety Precautions
1.1 Before Power Up
Caution
The line voltage applied must comply with the inverter’s specified input voltage.(See product
nameplate)
Danger
Make sure the main circuit connections are correct. L1, L2 and are power-input terminals and must
not be mistaken for U, V and W. Otherwise, inverter damage can result.
Caution
 To avoid the front cover from disengaging or other damage, do not carry the inverter by its
cover. Support the drive by its heat sink when transporting. Improper handling can damage the
inverter or injure personnel, and should be avoided.
 To avoid the risk of fire, do not install the inverter on flammable objects. Install on
nonflammable objects such as metal surfaces.
 If several inverters are placed in the same control panel, provide heat extraction means to keep
the temperature below 40℃ to avoid overheat or fire hazard.
 When removing or installing the operator keypad, turn OFF the power first, and secure the
keypad correctly to avoid keypad operation or display failure.
Warning
This product is sold subject to IEC 61800-3. In a domestic environment this product may cause
radio interference in which case the user may be required to apply corrective measures.

1-2
1.2 During Power Up
Danger
 When the momentary power loss is short, the inverter still has enough storage power to control
the circuit. Therefore, when power is re-applied, the inverter will automatically restart
depending on the setup of 04-03.
 When restarting the inverter, the operation of the inverter is based on the setup of 00-03 and
04-09 and the condition of external switch (FWD/REV button). Attention: the start operation
will be regardless of 04-03.
1. When 00-03 =0, the inverter will not automatically run after restart.
2. When 00-03 =1 and the external switch (FWD/REV button) is OFF, the inverter will not run
after restart.
3. When 00-03 =1, the external switch (FWD/REV button) is ON, and 04-09=0, the inverter
will run automatically after restart.
Attention: To ensure safety, please turn off the external switch (FWD/REV button) after
power loss, to protect machines from possible damage and potential injury to personnel on
sudden resumption of power.
 If 4-09 is set to 0 (direct start up), please refer to the description and warnings for 04-09 to
verify the safety of operator and machine.
1.3 Before Operation
Danger
Make sure the model and inverter capacity are the same as that set in parameter 12-00.
Caution
On power up the supply voltage set in parameter 05-03 will flash on display for 2 seconds.
1.4 During Operation
Danger
Do not connect or disconnect the motor during operation. Otherwise, the over-current will cause the
inverter to trip or damage the unit.

1-3
Danger
 To avoid electric shock, do not take the front cover off when power is on.
 The motor will restart automatically after stop when auto-restart function is on. In this case, use
caution while working near the drive, motor, or driven equipment.
 Note: The stop push button and external stop command have no safety function.
For Emergency stop, it is necessary to use a correct latch type push button and an appropriate
circuit or devices to ensure safety.
Caution
 Do not touch heat-generating components such as heat sinks and braking resistors.
 The inverter can drive the motor from low speed to high speed. Verify the allowable speed
range of the motor and the load before operation.
 Note the settings related to the braking unit.
 Do not check signals on circuit boards while the inverter is running.
Caution
Allow
5 minutes
after
disconnecting
power before
disassembling or checking the components.
The
power led should not be illuminated.
1.5 During Maintenance
Caution
The Inverter can be used in environment in temperature range from14˚-104 (℉-10-40 ) ℃
and relative humidity of 95%.
Inverter Disposal
Caution
 Please dispose of this unit with care as an industrial waste and according to your required local
regulations.
 The capacitors of inverter main circuit and printed circuit board are considered as hazardous
waste and must not be burnt.
 The Plastic enclosure and parts of the inverter such as the top cover board will release harmful
gases if burnt.

2-1
Chapter 2 Definition of model
2.1 Nameplate Data
2.2 Inverter Models
S310+- 4 01- H 3 B C D
Inverter model →
Input voltage →
Output
specifications
→
S310+ Series
Supply voltage：
4: 400V
Horsepower:
400V: 01: 1 HP
02: 2 HP
∫
05: 5 HP
Power supply :
3: 3 phase
Specification:
H: Standard Type
Blank:None
D :Built-in
Keypad Panel
Blank:None
C：Built-in RS485
B:Built-in
braking unit

3-1
Chapter 3 Ambient Environment and Installation
3.1 Environment
The environment will directly affect the proper operation and the life span of the inverter, so install
the inverter in an environment complying with the following conditions:
(Correct configuration) (Incorrect configuration) (Correct configuration) (Incorrect configuration)
 Place the inverter facing forward and its top facing upward to assist with cooling.
73000CV
Installing
direction
5cm5cm
12cm 12cm
5cm
Ambient temperature: -10℃ ~ +50℃(Power distribution panel: -10℃ ~ +40℃)
 Avoid exposure to rain or moisture.  Avoid direct sunlight.
 Avoid oil mist and salinity.  Avoid corrosive liquid and gas.
 Avoid dust, lint fibers, and small metal
filings.

Keep away from radioactive and
flammable materials.
 Avoid electromagnetic interference (soldering machine, power machine).
 Avoid vibration (stamping, punching machine). Add a vibration-proof pad if th
e situation
cannot be avoided.
 If several inverters are placed in the same control panel,
provide heat removal means to
maintain temperatures below 40oC.
CONTROL
PANEL
CONTROL
PANEL
Enclosure
Fan
Fan
Enclosure
S310
+
Air convection
-10oC - +40oC
(a) Front view
(b) Side view

3-2
3.2 Environmental precautions
Do not use the inverter in an environment with the following conditions:

3-3
3.3 Electrical Installation
3.3.1 Wiring guidelines
A. Tightening torque:
Required Screwdriver Torques are as listed below:
Tightening torque
Horsepower Power source Nominal torque for TM1 terminal
1/2 380-480V 0.59/0.08
(lbs-ft/kg-m)
13/15
(lbs-ft/kg-m)
3/5 380-480V 1.5/0.21
(lbs-ft/kg-m)
13/15
(lbs-ft/kg-m)
B. Power Cables
Power cables are connected to TM1 terminal block, terminals L1, L2, U, V, W, P1, BR.
Choose power cables according to the following criteria:
(1) Use copper wires only. Correct wire diameters should be based on ratings at 105oC.
(2) For rating voltage of wires , the minimum voltage of 480V class type is 600V.
(3) To ensure safety, the power cables should be locked with O-type terminals.
C. Control Cables
Control cables are connected toTM2 control terminal block.
Choose control cables according to the following criteria:
(1) Use copper wires only. Correct wire diameters should be based on ratings at 105oC.
(2) For rating voltage of wires, the minimum voltage of 480V class type is 600V.To avoid noise
interference, do not route power and control cables in the same conduit or trucking.
(3) Where possible use screened / shielded control cables to minimizes electromagnetic
interference. To avoid ground loops always earth the shield of control cables at one end only.
D. Nominal electrical specifications of the terminal Block TM1:
※Note: Nominal values of input and output signals (TM2) – follow the specifications of class 2
wiring.
Horsepower Power source Amps Volts
1/2/3/5 380-480V 20 600

3-4
3.3.2 Contactor and Circuit Breaker specification and wiring.
Molded-case circuit breaker/magnetic contactor
 Teco bears no responsibility to service for failures caused by the following conditions:
(1) A molded-case circuit breaker is not installed, or an improper or overrated breaker is used,
between the power source and the inverter.
(2) A magnetic contactor, a phase capacitor, or a burst absorber is connected between the
inverter and the motor.
model ：
S310+-□□□-XXX
401
402
403
405
Molded-case circuit
breaker made by
Taian
50E
10A
Magnetic contactor
(MC) made by Taian
CN-11
Main circuit
terminals (TM1)
Wire gauge 2.0 mm
2
terminal screw M3
Control board signal
terminals (TM2)1~18
Wire gauge 0.8mm2 ( # 18 AWG)
terminal screw M2
Relay signal
terminals (RY1)1~3
Wire gauge 0.8mm2 ( # 18 AWG)
terminal screw M2
 Use three-phase squirrel cage induction motor with capacity suitable for the inverter.
 If one inverter is driving several motors, the total current of all motors running simultaneously
must be less than the rated current of the inverter, and each motor has to be equipped with a
proper thermal relay.
 Do not add capacitive components, such as a phase capacitors, LC or RC, between the inverter
and the motor.

3-5
3.3.3 Precautions for peripheral applications:
Power supply:
 Make sure the correct voltage is applied to avoid
damaging the inverter.
 A molded-case circuit breaker or fused disconnect
must be installed between the AC source and the
inverter
Molded-case circuit breaker:
 Use a molded-case circuit breaker that conforms to
the rated voltage and current of the inverter to
control the power ON/OFF and protect the inverter.
 Do not use the circuit breaker as the run/stop switch
for the inverter.
Leakage breaker:
 Install a leakage breaker to prevent problems caused
by electric leakage and to protect personnel.
 Setting current should be 200mA or above and the
operating time at 0.1 second or longer to prevent
malfunctions.
Magnetic contactor:

Normal operations do not need a magnetic contactor.
However a contactor has to be installed in primary
side when performing functions such as external
control and auto restart after power failure, or when
using a brake controller.
 Do not use the magnetic contactor as the run/stop
switch of the inverter.
AC reactor for power quality improvement:
 When inverters below 400V class 15KW are
supplied with high capacity (above 600KVA) power
source or an AC reactor can be connected to
improve the power performance.
Install fast action fuse:
 To ensure the safety of peripheral devices, please
install fast action fuse. Regarding the specification,
please refer to P3-4.
Input noise filter:
 A filter must be installed when there are inductive
loads affecting the inverter
Inverter:
 Input power terminals L1、L2、L3can be used in
any sequence regardless of phase.
 Output terminals U, V, and W are connected to U,
V, and W terminals of the motor. If the motor is
reversed while the inverter is set to run forward, just
swap any two terminals of U, V, and W.
 To avoid damaging the inverter, do not connect the
input terminals U, V, and W to AC input power.
 Connect the ground terminal properly. 400 V class:
grounding, <10

3-6
Make external connections according to the following instruction. Check connections after wiring
to make sure all connections are correct. (Do not use the control circuit buzzer to check connections)
(A) Main circuit’s wiring must be separated from other high voltage or high current power line to
avoid noise interference. Refer to the figures below:
·The inverter uses dedicated power line.
变频器 IM
电源
MCCB
·Add a noise filter or separation transformer when sharing the power line with other
machines.
变频器 IM
机器
专用杂讯
滤波器
电源
MCCB
变频器 IM
机器
隔离变压器
电源
MCCB
 A noise filter in the output of the main circuit can suppress conducted noise.
 To prevent radiated noise, the wires should be put in a metal pipe and distance from
signal lines of other control equipment should be more than 30 cm.
Power Supply
MCCB
Noise
Filter
Metal Box
Metal Pipe
Signal Wire
Controller
above
S
3
10
Noise
Filter

3-7
 When the connection between the inverter and the motor is too long，consider the voltage
drop of the cables.
Phase-to-phase voltage drop (V) = 3 ×resistance of wire (Ω/km)×length of line
(m)×current×10-3.
 Carrier frequency must be adjusted based on the motor cable length.
Cable length between the inverter and the motor Below 150ft Below 300ft Abo ve 300ft
Recommended carrier frequency Below 12KHz Below 8KHz Below 5KHz
Setting of parameter 10-03 12 8 5
(B) The control circuit wiring must be separated and routed away from the main circuit control line
or other high voltage or current power lines to avoid noise interference
 To avoid erroneous operation caused by noise interference, shield the control circuit
wiring with twisted-wires, and connect the shielded wire to a ground terminal. Refer to the
figure below. The wiring distance should not exceed 50 meters.
(C)Inverter Ground terminal must be connected to installation ground correctly and according to
the required local wiring regulations. For 400V class ground resistance should be 10Ω or less.
 Ground cable size must be according to the required local wiring regulations.
the shorter the better.
 Do not share the ground of the inverter with other high current loads (welding machine,
high power motor). Connect the terminals to their own ground.
 Do not make a loop when several inverters share a common ground point.
S310 S310 S310 S310 S310 S310 S310 S310 S310
(a) Good (b) Good (c) Bad
(D) To ensure maximum safety, use correct wire size for the main power circuit and control circuit.
(According to the required local regulations)
(E) Verify that all wiring is correct, wires are intact, and terminal screws are secured.
Shielding sheath
Protective covering
To ground terminal
Wrapped with insulating tape
Do not connect this end

3-8
3.4 Specifications
3.4.1 Product Specifications
Three phase, 380~480V model
S310+-□□□-XXX 401 402 403 405
Horsepower(HP) 1 2 3 5
Max Applicable Motor Output
(KW) 0.75 1.5 2.2 3.7
Rated Output Current(A) 2.3 3. 8 5. 2 8. 8
Rated Capacity(KVA) 1.7 2. 9 4. 0 6. 7
Max. Input Voltage Thr ee Ph a se: 380~ 480V + 10% -15%，50/60HZ  5%
Max. Output Voltage Thr ee Ph a se: 380~ 480V
Input Current(A) 4.2 5. 6 7. 3 11.6
Net Weight (KG) 1.1 1. 2 2. 0 2. 0
Allowable momentary power loss
time (second) 1.0 2.0 2.0 2.0

3-9
3.4.2 General Specifications
Item S310+ series
Control Mode V/F or SLV
Frequency Control
Range 0.01~400.00 Hz
Starting torque 140% /1Hz (SLV mode)
Speed control range 1:50 (SLV mode)
Speed control accuracy ±1% (SLV mode)
Setting resolution Digital: 0.01Hz, Analog: 0.06Hz/ 60Hz(10bits)
Keypad setting Set directly with▲▼ keys or the VR on the keypad
Display Function Five digital LED and status indicator: display frequency
/
Inverter parameter/ Fault Log/ Program Version
External signal setting
1. External potentiometer0-10V/ 0-20mA
2. Provides up/down controls, speed control or automatic
procedure control with multifunctional contacts on the
terminal block(TM2)
Frequency Limit
Function
Upper/lower frequency limits
Gen eral Control
Carrier frequency 1 ~ 12 kHz
V/F pattern 6 fixed patterns, 1programable curve
Acc/Dec control Acc/Dec time (0.1 ~ 3,600 seconds)
Multifunction analog
output
5 functions (refer to description on 2-12)
Multifunction input 12 functions (refer to description on 01-00~01-04)
Multifunction output 6 functions (refer to description on 01-09)
Other Functions
Momentary Power Loss Restart, Overload Detection, 8 preset
speeds，2/3-wire Control, torque boost, Slip Compensation,
Frequency Upper/ Lower Limit, Modbus slave and PC/PDA Link,
Auto Restart.
Communication Control
1. Control by RS485
2. One to one or one to many (RS485 ONLY) control.
3. BAUD RATE/STOP BIT/PARITY/bit can be set
Braking Torque About 20﹪, standard model the specified external braking
resistors can provide 100%
Operation temperature -10℃ ~ +50℃(Power distribution panel: -10℃ ~ +40℃)
Storage temperature -20 ~ 60℃
Humidity 0 – 95% Relative Humidity(Non-condense)
Vibration 1G (9.8m/s2 )
Enclosure IP20

3-10
Protective Functions
FUSE protection The motor stops after FUSE melt
Over Voltage 400V class: DC Voltage＞820V
Under Voltage 400V class: DC Voltage＞380V
Momentary Power
Loss Restart
Restart can be initiated with spin start .
Stall protection Stall protection can be set in acceleration ,deceleration ,constant
speed.
Other Function
Over torque detection, error contact control, reverse prohibit,
prohibit for direct start after power up and error recovery and
parameter lock .

3-11
3.5 Wiring diagram S310+ series inverter
Inverter Model: S310+ -203-H1/401-H3/402-H3/403-H3/405-H3
Note 1: Please refer to description of main circuit terminals (P1, BR) and specification of braking
resistor for value selection.
2: please avoid connecting output of inverter to the earth.

3-12
3.6 Description of connection terminals
Descriptions of main circuit terminals
Symbol Description
L1
Main power input. Model 401/402/403/405：L1/L2/L3
L2
L3
BR Braking resistor connection terminal: Used in
applications when it is required to stop a high inertia load
rapidly. (refer to specifications of the braking resistor)
For
400V class:1~5HP.
P1
U
Inverter outputs V
W
Descriptions of S310 control circuit terminals
Symbol Description
RB Normal close contact Multifunctional output
terminals
Contact rated capacity:
(250VAC/1A or30VDC/1A)
Contact using descri
ption:(refer
to parameters 01-09)
RA Normal open contact
10V Frequency knob (VR) power source terminal (pin 3)
AIN Analog signal input terminal 0～10(2~10)VDC/0~20(4~20)mA, Select by JP1.
AVI Analog signal input terminal 0~10(2~10)VDC(S310+-203H1/401/402/403/405-H3)
ACI Analog signal input terminal 0~20(4~20)mA(S310+-203H1/401/402/403/405-H3)
COM Common for digital input signal for S1~S5 input.
FM+
The positive multifunction analog output signal for multifunction (refer to parameter 2-12
description), the signal for output terminal is 0-10VDC (below 2mA).
S1
multifunction input terminals（refer to parameter 1-00～1-05 description）
S2
S3
S4
S5
A (+) RS485 communication applications
B (- ) RS485 communication applications
SG Ground(RS485)
Inverter Derating Based on Carrier Frequency.
401/402/405 does not need Derating.
403 need Derating according to the following curve.