Programmable ControllerKV-5000/3000 series

KV-L20R

Multi Communication Unit, 2 Ports

SPECIFICATIONS

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Model

KV-L20R*1

Unit type

Communication network unit

Communication characteristics

Max. 115 kbps, 2 ports (RS-232C port × 1, RS-232C/422A/485 port × 1)

Characteristics

PROTOCOL STUDIO support

Direct refresh support

-

International standards

UL, CE

Transmission speed

1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200 bps

Internal current consumption

120 mA or less

General specifications

Power voltage

24 VDC ± 10% (supplied by the CPU unit)

Operating ambient temperature

0 to +50°C (freezing not allowed)

Ambient storage temperature

-20 to +70°C

Operating ambient humidity

35 to 85% (condensation not allowed)

Noise resistance

1500 V peak-to-peak or more, pulse width 1 μs, 50 ns (by noise simulator), IEC standard compliancy (IEC61000, 4-2/3/4/6)

Vibration resistance

Intermittent vibration

Frequency: 5 to 9 Hz

Half amplitude: 0.075 mm*2

Frequency: 9 to 150 Hz

Fixed acceleration: 9.8 m/s2*2

Continuous vibration

Frequency: 5 to 9 Hz

Half amplitude: 0.035 mm*2

Frequency: 9 to 150 Hz

Fixed acceleration: 4.9m/s2*2

Insulation resistance

50 MΩ or more (across power terminal and I/O terminals, and all external terminals and case by 500 VDC megger)

Operating environment

Excessive dirt, dust or corrosive gases not allowed

Serial communication specifications

Port 1

Interface

Communication standard

RS-232C

Connection

D-Sub 9-pin

Transmission specifications
RS-232C

Transmission speed

1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200 bit/s

Transmission specifications

RS-232C

Full-duplex

Transmission specifications
RS-232C

Data format

Start bit: 1 bit, Data bit: 7 bits/8 bits, Stop bit: 1 bit/2 bits

Error detection

Parity: Even, odd, none
Checksum: ON, OFF (enabled only in protocol modes 1 and 4)

Transmission distance

Within 15 m

Number of transmission units

1

Station number

0 to 9*3

Special function

Modem communications (modem operation mode)

Display

Red green 2-color, 4 continuous LED

Port 2

Interface

Communication standard

RS-232C, RS-422A, RS-485 (4-wire type), RS-485 (2-wire type)

Connection

Terminal block

Transmission specifications
RS-232C

Transmission speed

1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200 bit/s

Transmission system

Full-duplex

Data format

Start bit: 1 bit, Data bit: 7 bits/8 bits, Stop bit: 1 bit/2 bits

Error detection

Parity: Even, odd, none
Checksum: ON, OFF (enabled only in protocol modes 1 and 4)

Transmission distance

Within 15 m

Number of transmission units

1

Station number

0 to 9*3

Transmission specifications
RS-422A, RS-485
(4-wire method)

Transmission speed

1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200 bit/s

Full-duplex

Data format

Start bit: 1 bit, Data bit: 7 bits/8 bits, Stop bit: 1 bit/2 bits

Error detection

Parity: Even, odd, none
Checksum: ON, OFF (enabled only in protocol modes 1 and 4)

Transmission distance

Total length of cable within 500 m

Number of transmission units

10

Station number

0 to 9

Terminator

Set by switch on unit front panel

Transmission specifications
RS-485 (2-wire method)

Transmission speed

1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200 bit/s

Half-duplex

Data format

Start bit: 1 bit, Data bit: 7 bits/8 bits, Stop bit: 1 bit/2 bits

Error detection

Parity: Even, odd, none
Checksum: None

Transmission distance

Total length of cable within 500 m

Number of transmission units

10

Station number

*4

Terminator

Set by switch on unit front panel

Display

Red green 2-color, 4 continuous LED

Weight

Approx. 160 g

*1 The KV-L20R cannot be connected to the KV-5500/5000/3000.
*2 Conforms to JIS B 3502, IEC61131-2
Number of sweeps: 10 times respectively in the X, Y, and Z directions, 80 minutes
*3 Node No. becomes the setting common to ports 1 and 2.
*4 With the RS-485 (2-wire type) interface, the node No. does not need to be set as the non-procedural mode or PROTOCOL STUDIO mode can be set.

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