Contec N Series User manual

Ver.1.02
COM-4PDHN-USB 1
N Series for USB
RS-422A/485 4ch Isolated Serial I/O Unit
COM-4PDHN-USB
*Specifications, color and design of the products are subject to change
without notice.
This product is an USB2.0-compliant product designed for extending
RS-422A/485 compatible serial communication functionality on your
PC.
This product supports a baud rate of up to 921,600bps and has
separate 128-byte / 384-byte buffer memory for transmit and receive.
It also comes with a Windows driver, which allows products to be used
as OS-standard COM ports.
* The contents in this document are subject to change without notice.
* Visit the CONTEC website to check the latest details in the document.
* The information in the data sheets is as of September, 2018.
Features
Max. 921,600bps RS-422A/485 Serial Communication
This product has 4 channel RS-422A/485-standard serial ports. Baud
rates from 300 to 921,600bps can be set for each port. When using the
bundled “Standard COM Driver Software”, baud rates from 300 to
921,600bps can be set. When data is transferred at the high speed, it
may not be transferred normally, depending on the use environment
such as the external device and cable length used.
Possibly used as Windows-standard COM ports, using the bundled
driver library
Comes with a driver software that allows the products to be used under
Windows in the same way as COM ports on the PC.
Under Windows, the product supports the OS-standard Win32 API
communication function as well as Visual Basic MSComm.
Each channel is equipped with separate 128-byte / 384-byte FIFO
buffers for transmit and receive.
These are FIFO format, useful for high speed communications and to
reduce the load to the CPU when transmitting/receiving.
Compatible to USB1.1/USB2.0
Compatible to USB1.1/USB2.0 and capable to achieve high speed
transfer at Full Speed (12 Mbps).
Compact Design
Compact design, 188.0(W) × 78.0(D) × 30.5(H), features flexibility in
installation.
Adapting terminal connecters make it easy to connect and install the
product
The terminal connectors (screw type) make it easy to connect and
install the product.
Capable of adapting a wide-range power (12- 24VDC)
The product is capable of dealing with a wide range of power in the
differing environments.
Power connector also has a FG terminal.
Diverse installations such as screw fastening, magnet (option), DIN rail
are possible
Installation on the floor / wall /ceiling is possible by screw fastening,
magnet (option), rubber feet, etc.
In addition, DIN rail mounting mechanism is equipped as standard with
the product, making it easy to install the product within the panel or
the device.
Physical Dimensions
Product
AC adapter (POA201-10-2)
Packing List
Product [COM-4PDHN-USB] …1
Rubber feet…4
3-pin power connector…1
5-pin connector for RS-422A/485 communication …4
AC cable (1.8m)…1
USB cable (1.8m) …1
USB cable attachment on the main product’s side
(For Mini B connector side) …1
AC adapter …1
Disk *1 [COM Setup Disk] …1
First step guide … 1
Warranty Certificate …1
Serial Number Label …1
*1 The bundled disk contains the driver software and User’s Guide.
[mm]
30.5
20
4
COM- 4PD HN- USB
USB I/ OTer mina l
Isolat ed R S-422A/4854ch I/O U nit
V+ V-
188
78 66
(4)
170
(154)
(55)
4-φ3.5
+12V
GND
N.C.
[mm]
1830
47.5±1
27.3±1
75±1
1500±100
+200
-30
PLUG-IN Electronic GmbH • Am Sonnenlicht 5 • 82239 Alling • Tel.: [phone] • [email protected] • www.plug-in.de

Ver.1.02
COM-4PDHN-USB 2
Specification
Item
Specifications
I/O
Number of channels
4ch
Interface type
RS-422A/RS-485
Transfer method
Asynchronous serial transfer
Baud rate
300 - 921,600bps *1 *2
Data length
7, 8 bits
1, 2 stop b its *1
Parity check
Even, Odd, Non-par ity *1
Controller chip
XR21V1414 or equivalent
(Mounting the FIFO memory as the common buffer of RS-
422A/RS-485 communication and USB. Each channel has 384-
byte receive and 128-byte transmit FIFO buffers.)
USB section
Bus specification
USB Specification 2.0/1.1 standard
USB transfer rate
12Mbps (Full-speed) *5
Power supp ly
Self-powered
Common section
Isolation specification
Isolation between channel, Bus isolation
Isolation pressure proof
Between channel : 500VAC, Between bus : 1000VAC
Current consumption
(Max.)
12VDC 375mA, 24VDC 190mA
Operating temperature
*6
-20 - 60°C *7, 10 - 90%RH (No condensation)
Connecting distance
1200m ( Ty p . ) *3*4
Dimension (mm)
188.0(W) x 78.0(D) x 30.5(H) (No protrusions)
Weight
220g (Not including the USB cable, attachment)
Connector
Power connector: MC 1,5/ 3-G-3,5 [PHOENIX CONTACT]
equivalent
RS-422A/485 communication connector: MC 1,5/ 5-G-3,5
[PHOENIX CONTACT] or equivalent
Attached cable
USB cable 1.8m
Standard
VCCI Class A, FCC Class A,
CE Marking (EMC Directive Class A, RoHS Directive)
*1 These items can be set by software.
For the "Standard COM Driver Software COM Setup Disk" on the bundled disk, the range is
300 - 921,600 bps.
*2 Data transmission at high speed may not be performed normally depending on the
environment including the type of status of connected material of cable and environment.
*3 The table below lists an example of the relationship between baud rate and communication
distance.
Communicat ion
distance
Baud rate
300m
115,200bps
600m
57,600bps
900m
19,200bps
1200m
9,600bps
Communication cable: 28AWG, double shielded cable, twisted pairs used for each +/- signal
line.
*4 The table below lists the maximum communication distances of the terminator resistor value
and individual cable d iameters.
The terminators on the product (100Ω) and the terminators generally used with RS-
422A/485(120Ω) are listed.
Maximum communication distances of the terminator resistor
value (100Ω) and cable diameter
Terminator
Resistor(Ω)
Cable Diameter
Maximum Communication
Distance(m)
100
AWG28
400
AWG26
700
AWG24
1100
AWG22
1200
Maximum communication distances of the terminator resistor
value (120Ω) and cable diameter
Te r m in a t or
Resistor(Ω)
Cable Diameter
Maximum Communication
Distance (m)
120
AWG28
500
AWG26
800
AWG24
1200
AWG22
1200
*5 This depends on the PC environment used (OS and USB host controller).
*6 To suppress the heating, ensure that there are spaces for ventilation (about 5cm) around this
product.
*7 When using the provided AC adapter POA201-10-2, the operating temperature is 0 - 40
deg.C.
AC adapter Environment Requirements (Installation Environment Requirements)
Item
Specifications
Input voltage range
90 - 264VAC
Rated input current
300mA
Number of frequency
50 - 60Hz
Rated output voltage
12.0VDC
Rated output current
1.0A (Max.)
Dimension (mm)
47.5(W) x 75(D) x 27.3(H) (No protrusions)
Weight
175g
Operating temperature
0 - 40°C
Operating humidity
20 - 80%RH(No condensation)
Life expectancy
1.5 years at the ambient temperature 40°C (When 100VAC is input
and 1.0A is output)
4 years at the ambient temperature 40°C
(When 100VAC is input
and 0.5A is output) *1
Allowable time of short
interruption
20ms (Max.) (When 100VAC is input and 0.55A is output) *2
Floating dust particles
Not to be excessive
Corrosive gases
None
Voltage corresponding to the
attached AC cable
125VAC 7A
*1 The current consumption (Max.) of the F&eIT N series supported by this product is 6.5W.
*2 When the short interruption occurs and the defective operation of the equipment is generated,
please insert the power supply of the equipment after pulling out it.
Support Software
Standard COM Driver Software COM Setup Disk (Bundled)
Under Windows, this software allows you to use the serial ports on the
converter as if they were standard COM ports on the PC. By connecting
additional products, you can use COM ports in the range COM1 -
COM256. Under Windows, the serial ports can be accessed using the
standard Win32 API communication routines (CreateFile( ), WriteFile( ),
ReadFile( ), and SetCommState( ), etc.) The serial ports are also
compatible with the Visual Basic communication control (MSComm).
Supports the communication class of .NET Framework (SerialPort
class).
For more details on the supported OS, applicable language and new
information, please visit the CONTEC’s Web site.
List of Options
AC adaptor (Input : 90 - 264VAC, output : 12VDC 1.0A) :POA201-10-2
DIN rail mounting power supply 15[w] : CPS-PWD-15AW12-01 *1
(Input: 100 - 240VAC, output: 12VDC 1.3 A)
Magnets for installation (For piece Set) : CPS-MAG01-4
*1 This needs to be accompanied by AC cable. A user is encouraged to purchase our
recommended AC cable (sold separately).
* Check the CONTEC’s Web site for more information on these options.
Name of each parts
USB cable
attachment
For PC
Interface connector
USB Type A
LED indicator
COM-4 PD HN -U SB
USB I/OTerminal
Isolat e d RS-422A/485 4chI/O Unit
V+ V-
Interface connector CH1 CH2 CH3 CH4
USB2.0 (mini-B type)
12-24VDC
SW1 SW2 SW3 SW4
PLUG-IN Electronic GmbH • Am Sonnenlicht 5 • 82239 Alling • Tel.: [phone] • [email protected] • www.plug-in.de

Ver.1.02
COM-4PDHN-USB 3
LED indecator
LED
Meaning
Status
POWER (Green)
Power status
OFF: Power has not been supplied.
ON: Power has been supplied.
RxD (Ye llow)
Reception status
Output status indication
OFF : Data has not been received by the RS-422A/485
ON : When receiving data by the RS-422A/485
TxD (Green)
Transmission status
Input status indication
OFF : Data has not been sent by the RS-422A/485
ON : When sending data by the RS-422A/485
Setting Transmission Mode
The data transfer mode setting switch is used to switch between full
duplex and half duplex and to specify whether to use RTS/CTS in full
duplex mode. Set the appropriate data transfer mode for the device
with which you are communicating.
Bits 3 - 5 corresponded to each channel are used to set the data
transfer mode. Always set the bit 6 to OFF.
The CTS signal of each channel is controlled by self-looping the RTS
signal of the corresponding channel in the product.
Setting of Terminator
The terminator setting switch controls whether or not a terminator is
inserted into each signal line. Set the terminators on or off in
accordance with the devices with which you are communicating. The
terminators on the product are 100Ω resistors.
Setting Procedure
If you wish to use a terminator of other than 100Ω, set the bit 1 and 2
of corresponded channels OFF, and insert an external terminator. The
diagrams below show examples of terminator installation for half and
full duplex setting.
Half-duplex
Full -duplex
The figure below shows the circuit associated with the data transfer
mode setting switch and terminator setting switch. Each channel
shares the same switch and the bits to be set are vary.
How to supply power to the product
Connect to the external power using the power input connector of this
product (suitable cable is AWG28 - 16). Even when using the
commercial DC output power supply, follow the instruction described
here.
Signal name
Mean ing
FG
Frame ground
Vi-Power supply (GND)
Vi+ Power supply (12 – 24VDC฀10%)
When using the provided AC adapter [POA201-10-2], please connect
directly to the input terminals.
When using the provided 3-pin connector (MC1,5/3-ST-3,5, suitable
cable: AWG28 - 16) to supply power to this product, strip the end of
the suitable cable and connect it with the connector firmly using a
screw, then insert it to the terminals.
1 2 3 4 5 6
TERM MODE
ON
TERM MODE
ON
1 2 3 4 5 6
Setting
mode
(SW1 - 4)
Transmission
mode Half duplex Full duplex
SW1 - 4 1 2 3 4 5 6
TERM MODE
RxD
TxD
ON
Setting
method
Not inserted
[Term OFF]
Figure 2.2 B to C
(Other than both
terminators of the line)
[A or D]
Terminator
(Bit 9)
Terminator
(Bit 9)
(A) (D)(C)(B) [B or C]
SW2 SW2
SW2
1 2 3 4 5 6
O N
TERM MODE
1 2 3 4 5 6
O N
TERM MODE
1 2 3 4 5 6
O N
TERM MODE
RxDTxD RxDTxD
RxDTxD
Inserted Not inserted
Not inserted
SW1 - 4
SW1 - 4
SW1 - 4
RxD
TxD
Terminator (Bit 9) Terminator (Bit 7)
Terminator (Bit 7) Terminator (Bit 9)
TxD
RxD SW2 SW2
1 2 3 4 5 6
O N
TERM MODE
1 2 3 4 5 6
O N
TERM MODE
RxDTxD RxDTxD
Inserted Not inserted
SW1 - 4 SW1 - 4
TxD+
TxD-
RxD+
RxD-
RTS
DCD
DTR
DSR
RI
CTS
SIN
SOUT
Terminator
1/2W 100Ω2 1
Terminator
3 4 5 6
Data transfer mode
12-24VDC
FG Vi- Vi+
- Connector used
MC1,5/3-G3,5 [PHOENIX CONTACT]
-Applicable connectors
MC1,5/3-ST3,5 [PHOENIX CONTACT]
PLUG-IN Electronic GmbH • Am Sonnenlicht 5 • 82239 Alling • Tel.: [phone] • [email protected] • www.plug-in.de

Ver.1.02
COM-4PDHN-USB 4
-First, connect 12 - 24VDC power supply to the product. Next,
connect the USB cable to the PC.
Do not power on or off when using the product. When removing,
first remove the USB cable, and then disconnect 12 - 24VDC power
supp ly.
- When the USB module is not used, leave the AC adapter
unplugged.
- Continuously using the AC adapter heated affects its life.
- Use the AC adapter not in a closed place but in a well-ventilated
place not to be heated.
- Do not remove the 3-pin power connector attached to the AC
adapter.
Connection Method
Interface Connector
Use the interface connectors of the product to connect with external
devices.
Connector Pin Assignment
To connect the product directly to the external devices, make your own
cable and connect it to the external device using the provided 5-pin
RS422A/485 connector.
Pin Assignment
Signal name
Mean ing
TxD+
Transmission data (+)
TxD-
Transmission data (-)
RxD+
Reception data (+)
RxD-
Reception data (-)
SG
Signal ground
Types of Cable and Example Connections
The figures below show examples of how to connect the cable for the
product.
The RS-422A/485 interface works based on a differential signal
whereby the signal is carried by the potential difference between two
lines (+ and -). Using twisted pair cable is recommended to improve
resistance to noise.
Example Connection Oneself loop to RTS and CTS in Full Duplex
Example Connection in Half Duplex
POA-201-10-2
Power input connector
COM- 4 PDH N- USB
USB I/ O Te rm in al
Isola ted R S-422A/485 4ch I/O Unit
V+ V-
CAUTION
CH4 CH3 CH2 CH1
- Connector used
MC 1,5/5-G-3,5 equivalent [PHOENIX CONTACT]
-Applicable connectors
MC 1,5/5-ST-3,5 equivalent [PHOENIX CONTACT]
-Applicable wire AWG28-16
TxD+
TxD-
RxD+
RxD-
SG
External device
RxD
TxD
TxD+
RxD+
SG
RxD
TxD
TxD+
RxD+
SG
External device
TxD
TxD+
SG
TxD
TxD+
SG
PLUG-IN Electronic GmbH • Am Sonnenlicht 5 • 82239 Alling • Tel.: [phone] • [email protected] • www.plug-in.de