Veichi VC1 Series Manual

Manual version V1.0 Update 2021-08-26
1
VC1 Series PLC Quick Start User Manual
This quick start manual is to offer you a quick guide to the design, installation, connection and
maintenance of VC1 series PLC, convenient for on-site reference. Briefly introduced in this
booklet are the hardware specs, features, and usage of VC1 series PLC, plus the optional
parts and FAQ for your reference. For more detailed product information, please refer to the
user manual of “VC series programing manual” and “Autostudio programming software”
issued by our company. If necessary, consult the supplier. You can also log in www.veichi.org
to download PLC related technical data or feed back PLC related problems on the website.
1 Product Introduction
1.1 Model designation
The model designation is shown in the following figure.
To Customers:
Thank you for choosing our products. To improve the product and provide better service for
you, could you please fill in the form after the product has been operated for 1 month, and
mail or fax it to our Customer Service Center? We will send you an exquisite souvenir upon
receiving the complete Product Quality Feedback Form. Furthermore, if you can give us some
advices on improving the product and service quality, you will be awarded a special gift. Thank
you very much!
Veichi Electric Co., LTD.
Product Quality Feedback Form
Customer name
Tele
Address
Zip code
Model
Date of use
Machine SN
Appearance or
structure
Performance
Package
Material
Quality problem during
usage
Suggestion about
improvement
1.2 Outline
The outline of the VC1 series module is shown in the following figure by taking the example
of VC1-1614MAR.
SG 485- X0 X2 X4 X6 X10 X12 X14
485+ S/S X1 X3 X5 X7 X11 X13 X15
24V Y4 Y6 Y10 Y12
COM Y1 Y3 COM1 Y5 Y7 COM2 Y11 Y13
Y0
COM0 Y15
Y14Y2
VEICHI RUN ERR
PWR
VC1-1614MAR
Output signal status indicator
System working status indicator
Right extension module interface
Input signal status indicator
Output signal terminal
Input signal terminal
Power supply
RS-485 Interface
USB Interface
Mode selection switch
Serial port(RS-232)
Left extension module interface
Battery interface
X16
X17
Terminal resistance(120Ω )
PORT0 adopts the RS232, and the Mini DIN8 socket. 1 RS-485, USB interface is Type-C. The
right extension module interface is used for extension module connection, the left extension
module is used for communication module connection. RUN and STOP switched by MODE
selection. Two RS-485 terminal resistor, the resistance is 120Ω.
1.3 Terminal Introduction
1．24 point module I/O points are shown below:
Input terminal:
Output terminal:
2．30 point module I/O points are shown below:
Input terminal:
Output terminal:
3. Power supply
The specification of PLC built-in power and power for extension modules is listed in the
following table.
Item
Unit
Min.
Rated
Max.
Note
Power supply voltage
Vac
85
220
264
Normal startup and operation
Input current
A
/
/
1.5
Input: 90Vac, 100% output
Rated output
current
5V/GND
mA
/
1500
/
The total power of outputs 5V/GND
and 24V/GND ≤ 30W.
24V/GND
mA
/
1000
/
24V/COM
mA
/
/
3 Digital input and output characteristics
3.1 Input Characteristic And Specification
The input characteristic and specs are shown as follows:
Item
High-speed input terminals X0~X7
General input terminal
Sigal input type
Source mode or sink mode, user set through “S/S” terminal
Electric
paramet
ers
Input voltage
24Vdc
Input
impedance
3.3KΩ
4.3kΩ
Input ON
External circuit resistance < 400Ω
External circuit resistance < 400Ω
Input OFF
External circuit resistance > 24KΩ
External circuit resistance > 24KΩ
Filtering
function
Digital filter
X0~X7 have digital filtering function. Filtering time: 0~60ms setting by user
programing.
Hardware
filter
Input terminals other than X0 ~ X7 are of hardware filtering. Filtering time: about
10ms
High speed function
X0~X7: high-speed counting, interrupt, and pulse catching
X0 and X1: up to 50kHz counting frequency
X2~X5: up to 10kHz counting frequency
The sum of input frequency should be less than 60kHz
Common terminal
Only one common terminal: S/S
The counter input port has a corresponding maximum frequency limit.. Any frequency higher
than that may result in incorrect counting or abnormal system operation. Make sure that the
input terminal arrangement is reasonable and external sensors used are proper.
PLC provides a port "S/S" to select the input mode of the signal, which can be set to source
input mode or sink input mode. Connect "S/S" to "＋24V", that is, set to sink input mode, and
NPN type sensor can be connected.
Input connection example
The following diagram shows an example of VC1-1614MAR in connection with an VC-
0808ENR, which realizes simple positioning control. The positioning signals from the PG are
input through high speed counting terminals X0 and X1, the limit switch signals that require

Manual version V1.0 Update 2021-08-26
2
high-speed response can be input through high-speed terminals X2 ~ X7. Other user signals
can be input through any other input terminals.
SG 485- X0 X2 X4 X6 X10 X12 X14
485+ S/S X1 X3 X5 X7 X11 X13 X15
24V Y2 Y4 Y6 Y10 Y12
COM Y3 COM1 Y5 Y7 COM2 Y11 Y13
Y0
COM0
Y14
Y15Y1
X16
X17
V E I C H I
VC1-1614MAR
AC-N
AC-L
VC-0808ENR
Y07
Y05
Y03
Y01
S/S
X06
X04
X02
X00
COM0
Y06
Y04
Y02
Y00
X07
X05
X03
X01
+24V
+5V
GND
NL
S e n s o r
E n c o d e r
External DC24V
G N D
+ 2 4 V
ABZ
3.2 Output Characteristic And Specification
The following table shows the relay output and transistor output.
Item
Relay output
Transistor output
Output mode
On when the output status is "ON". Off when the output status is "OFF".
Common
terminal
Divided into multiple groups, each with a common terminal COMn, suitable for control
circuits with different potentials.
All common terminals are isolated from each other
Voltage
220Vac, 24Vdc, no polarity requirement
24Vdc, with polarity requirement
Current
Accord with output electric specs
Difference
High driving voltage, large current
Small driving current, high frequency, long
service life
Application
Loads with low action frequency such as
intermediate relay, contactor coil, and
indicator light
Control servo amplifier, frequent action
electromagnet and other applications requiring
high frequency and long service life.
The output electrical specifications are shown in the table below.
Item
Relay output terminal
Transistor output terminal
Circuit Power Voltage
Below 250Vac, 30Vdc
5~24Vdc
Circuit insulation
Relay mechanism insulation
Optocoupler insulation
Operation indication
The relay output contact is closed
and the indicator light is on
The indicator light is on when the optocoupler
is driven
Leakage current in
open circuit
/
Less than 0.1mA/30Vdc
Minimum load
2mA/5Vdc
5mA (5~24Vdc)
Maximu
m
output
current
Resistive load
2A/1 point
8A/4 point
8A/6 point
8A/8 point
Y0/Y1/Y2: 0.3A/1 point
Others: 0.3A/1 point, 0.8A/4 point, 1.2A/6
point, 1.6A/8 point.
Above 8 points, total current increases 0.1A at
each point increase
Inductive load
220Vac, 80VA
Y0/Y1/Y2: 7.2W/24Vdc
Others: 12W/24Vdc
Illumination
load
220Vac, 100W
Y0/Y1/Y2: 0.9W/24Vdc
Others: 1.5W/24Vdc
Respon
se time
OFF→ON
20ms Max
Y0/Y1/Y2: 10μs
Others: 0.5ms
ON→OFF
20ms Max
Y0,Y1,Y2 Maximum
output frequency
/
Each channel: 100kHz
Output common
terminal
Y0/ Y1/Y2/Y3－COM0. Y4/ Y5/Y6/Y7－COM1.
After Y10, Max 8 terminals use one isolated common terminal
Fuse protection
No
Output connection example
The following diagram shows an example of VC1-1614MAR in connection with an VC-
0808ENR. Different output groups can be connected to different signal circuits with different
voltages. Some (like Y1-COM0) are connected to the 24Vdc circuit powered by local 24V-
COM, some (like Y5-COM1) are connected to the 5Vdc low voltage signal circuit, and others
(such as Y11, Y13, Y15) are connected to the 220Vac voltage signal circuit.
SG 485- X0 X2 X4 X6 X10 X12 X14
485+ S/S X1 X3 X5 X7 X11 X13 X15
24V Y2 Y4 Y6 Y10 Y12
COM Y3 COM1 Y5 Y7 COM2 Y11 Y13
Y0
COM0
Y14
Y15Y1
X16
X17
V E I C H I
VC1-1614MAR
AC-N
AC-L
+5V
Internal +24V
A A A
AC-N
AC-L
VC-0808ENR
Y 0 7
Y 0 5
Y 0 3
Y 0 1
S / S
X 0 6
X 0 4
X 0 2
X 0 0
COM0
Y 0 6
Y 0 4
Y 0 2
Y 0 0
X 0 7
X 0 5
X 0 3
X 0 1
A A A
+24V
+5V
GND
NL
Low voltage control circuit
AC 220V Control load circuit
4Communication port
VC1 series PLC module has 2 serial asynchrounous communication ports: COM0 and COM1.
Supported baud rates: 115200, 57600, 38400, 19200, 9600, 4800, 2400, 1200bps. The mode
selection switch determines the communication protocol of COM0. As shown in below figure:
21
54
87
3
6
M o d e S w i t c h s e l e c t i o n
U S B I n t e r f a c e
T e r m i n a l r e s i s t a n c e
P I N N a m e D i s c r i p t i o n
G N D
3
4
5
1 、 2 、 6 、
7 、 8
R X D
T X D
R e s e r v e d
G r o u n d i n g P I N
Serial data reception PIN
（ RS-232 to PLC)
S e r i a l t r a n s m i t P I N
(PLC to RS-232)
U n d e f i n e d P I N
COM0 enlargement
SG 4 8 5 -
4 8 5 +
C O M 1
As a dedicated interface to user programming, COM0 can be converted to programming
protocol through the mode selection switch. The relationship between PLC operation status
and the protocol used by COM0 is shown in the following table.
Mode selection switch
position
Status
COM0 operation protocol
ON
RUN
Programming protocol, or Modbus protocol as determined by
user program and system configuration
OFF
STOP
If the system configuration of user program is Modbus protocol,
it converts to programming protocol automatically after stop.
Otherwise, the system protocol keeps unchanged
COM1 are ideal for connection with equipment that can communicate (such as inverters). With
Modbus protocol or RS485 terminal free protocol, it can control multiple devices through the
network. Its terminals are fixed with screws. You can use a shielded twisted-pair as the signal
cable to connect communication ports by yourself.
USB is Type-C interface, it can support upload, download, on line upgrade firmware and
monitoring function.
5Installation
PLC is applicable to Installation category II, Pollution degree 2.
5.1 Dimension
Model
Length
Width
Height
Net weight
VC1-1410MAR
115mm
90mm
92.7mm
576g
VC1-1410MAT
548g
VC1-1614MAR
115mm
90mm
92.7mm
596g
VC1-1614MAT
552g
5.2 Installation method
DIN rail mounting
Generally you can mount the PLC onto a 35mm-wide rail (DIN), as shown in the following
figure.
P u l l o u t t h e
D I N r a i l c l i p
3 5 m m D I N r a i l
R a i l s t o p
R a i l s t o p
P r e s s b a c k t h e
D I N r a i l c l i p
IN
0U T
PW R R U N E R R
00 01 02 03 04 05 06 07
10 11 12 13 14 15 16 17
00 01 02 03 04 05 06 07
10 11 12 13 14 15
V C 1 - 1 6 1 4 M A R
V E I C H I
V C 1 - 1 6 1 4 M A R
V E I C H I
IN 00 01 02 03 04 05 06 07
10 11 12 13 14 15 16 17
OU T 00 01 02 03 04 05 06 07
10 11 12 13 14 15 16 17
PWR RUN ERR
The specific installation steps are as follows:
1．Fix the DIN rail horizontally on the mounting backplane.
2．Pull out the DIN rail buckle under the bottom of the module.
3．Hang the module on the DIN.
4．Press the buckle back to its original position to lock the module.
5．Finally, fixed both ends of the module with DIN rail clips to avoid sliding.
Other VC1 series PLC can be installed in DIN rail according to the above steps.
Use scews to install and fix
For occasions with large oscillations, the main module can be installed with screw holes.
When installing the expansion module, first slide the sliding lock up to the top, align it and
push it toward the main module, and then slide the sliding lock down to the end to complete
the fixation. As shown below. (Note: The main module requires optional accessories for screw
installation, and the expansion module does not support screw installation)

Manual version V1.0 Update 2021-08-26
3
Φ 4 Optional installation hole Sliding latch
Push right
Push left
V C 1 - 1 6 1 4 M A R
5.3 Cable Connection And Specification
Connecting power cable and grounding cable, it is recommended that the user add an air
switch and fuse protection circuit to the PLC power input. The connection example of AC
power supply and auxiliary power supply is shown in the figure below.
Connect the PLC terminal to the grounding electrode. To ensure reliable grounding cable
connection, which makes the equipment safer and protects it from EMI. use AWG12~16 cable,
and make the cable as short as possible.
Avoid sharing route with the grounding cable of other equipment (particularly those with strong
EMI). See the following figure.
Cable specification
When wiring a PLC, use multi-strand copper wire and ready-made insulated terminals to
ensure the quality. The recommended model and the cross-sectional area of the cable are
shown in the following table.
Wire
Cross-sectional
area
Recommended
model
Cable lug and heat-shrink tube
AC power cable (L, N)
1.0～2.0mm²
AWG12, 18
H1.5/14 round insulated lug, or tinned
cable lug
Grounding cable ( )
2.0mm²
AWG12
H2.0/14 round insulated lug, or tinned
cable end
Input signal cable (X)
0.8～1.0mm²
AWG18, 20
UT1-3 or OT1-3 solderless lug
Φ3 or Φ4 heat shrinkable tube
Output signal cable (Y)
0.8～1.0mm²
AWG18、20
Fix the prepared cable head onto the PLC terminals with screws. Fastening torque:
0.5~0.8Nm.
The recommended cable processing-method is shown in the following figure.
6Power-on Operation And Maintenance
6.1 Startup
Check the cable connection carefully. Make sure that the PLC is clear of alien objects and the
heat dissipation channel is clear.
1. Power on the PLC, the PLC POWER indicator should be on.
2. Start the AutoStudio software on the PC and download the user program to the PLC.
3. After checking the download program, switch the mode selection switch to the ON position,
the RUN indicator should be on. If the ERR indicator is on, the user program or the system is
faulty. Loop up in the VC series PLC Programming Manual and remove the fault.
4. Power on the PLC external system to start system debugging.
6.2 Routine Maintenance
Do the following:
1. Ensure the PLC a clean environment. Protect it from aliens and dust.
2. Keep the ventilation and heat dissipation of PLC in good condition.
3. Ensure that the cable connections are reliable and in good condition.
1. Never connect the transistor output to an AC circuit (like 220Vac). The design of the output
circuit must abide by the requirements of electric parameters, and no over-voltage or over-
current is allowed.
2. Use the relay contacts only when necessary, because the use life of relay contacts depends
largely on its action times.
3. The relay contacts can support loads smaller than 2A. To support larger loads, use external
contacts or mid-relay.
4. Note that the relay contact may fail to close when the current is smaller than 5mA.
Notice
1. The warranty range is confined to the PLC only.
2. Warranty period is 18 months, within which period Emerson Network Power conducts free
maintenance and repairing to the PLC that has any fault or damage under the normal
operation conditions.
3. The start time of warranty period is the delivery date of the product, of which the product
SN is the sole basis of judgment. PLC without a product SN shall be regarded as out of
warranty.
4. Even within 18 months, maintenance will also be charged in the following situations:
Damages incurred to the PLC due to mis-operations, which are not in compliance with
the User Manual;
Damages incurred to the PLC due to fire, flood, abnormal voltage, etc;
Damages incurred to the PLC due to the improper use of PLC functions.
5. The service fee will be charged according to the actual costs. If there is any contract, the
contract prevails.
6. Please keep this paper and show this paper to the maintenance unit when the product
needs to be repaired.
7. If you have any question, please contact the distributor or our company directly.
Veichi Electric Co., LTD.
Web: www.veichi.org
Version: V1.0 Date : 2021-05-25
PLC PLC
Other
equipment Other
equipment PLC Other
equipment
Best Good Bad
≤5.0 ≤5.0
UT solderless lug Heat shrinkable tube
Cable SN label
Cable
OT solderless lug Heat shrinkable tube
H type round insulated lug
Tinned cable end Cable
PG
18
47
682
Warning