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INDEX

User Manual for BKV Series Communication Tools with USB Cable

1. About BKV Series USB Communication Tools

REDZ BKV series are cable-connected communication tools for local applications. All devices has USB Type A or USB Type C connections for local devices such as PCs. It has several options: USB to RS232 Converter or USB to RS485 Converter with built-in isolated 5V Power Output to easily connect field devices such as KMK114, USB 2.0 - 4 Port USB Type A Hub to extend USB connectivity for multiple USB devices like KMK116 series, USB to 2 Port Ethernet switch to connect field devices easier such as STG-LKM-CKL... series, USB to 868MHZ Wireless MBus Converter to get WMBus messages from the local device directly, USB to P1 Companion Protocol Meter Interface Converter to get Electricity meters data directly to local device. 

2. Hardware Features

All BKV Series devices have either USB Type A or Type C connection to local device such as PC.

2.1 Features – USB to RS485 Converter With 5V Isolated Power Output

  • Converts USB to RS485
  • Terminal Connector for 2 wire RS485 connection and GND
  • ESD Protection for RS485 I/O Pins
    ±15kV—Human Body Model
    ±15kV—IEC61000-4-2, Air-Gap Discharge
    ±8kV—IEC61000-4-2, Contact Discharge
  • Allows up to 256 Transceivers on the Bus
  • With Thermal Shutdown Feature
  • With Current-Limiting for Driver Overload Protection
  • Allows up to 500kbps error-free data transmission
  • USB Type A or Type C Cable, 3m Length
  • 5V/200mA Isolated Power Output With Reverse Polarity Protection

 

2.2 Features – 4 Port USB 2.0 Hub

  • 4 Port USB 2.0 Hub
    All Ports are USB Type A Female
  • Fully compliant with Universal Serial Bus Specification Revision 2.0 (USB 2.0)
  • Compliant with Universal Charging Solution, and USB Battery Charging Specification 1.1/1.2
  • USB Type A or Type C Cable, 3m Length

2.3 Features – USB 2.0 to 2 Port Ethernet Switch

  •  
  • USB 2.0 to 2 Port Ethernet Switch
  • Supports 2 x 10/100Base-T(X) ports
  • Supports Full/Half-Duplex, auto MDI/MDI-X on each port
  • Fully compliant with Hi-Speed Universal Serial Bus Specification Revision 2.0
  • Supports HS (480 Mbps) and FS (12 Mbps) modes
  • USB Type A or Type C Cable, 3m Length

 

2.4 Features – USB to P1 Companion Protocol Meter Interface Converter

  • Converts USB to P1 Companion Meter Protocol
  • Terminal Connector for 3 wire P1 connection ( Data, Data Request, GND) on Meter Side
  • ESD Protection on P1 Interface
    2000 V Human-Body Model (A114-B, Class II)
    200 V Machine Model (A115-A)
    1000 V Charged-Device Model (C101)
  • RJ12 cable connection to meter must be prepared for meter connection based on desired length.
  • USB Type A or Type C Cable, 3m Length

 

2.5 Features – USB to 868MHz WMBus (Wireless MBus) Converter

  • USB 2.0 to WMBus (Wireless MBus) Converter
  • Listen WMBus Messages from PC ( or send WMBus Messages from PC)
  • 868MHz Wireless MBus (WMBus) Radio Frequency (RF) Communication
  • Output Power Level: Configurable (-1 dBm to 13 dBm)
  • Link Budget: Up to 130 dB
  • Communication Distance: Up to 3km (Line of Sight)
  • Typical Communication Distance Indoor/Urban: >100m
  • Link Modes: Configurable (S - Mode, T - Mode, C -  Mode, C/T - Mode together)
  • Supported CI Values:  53h, 5Bh, 60h, 6Ch, 6Dh, 6Eh, 6Fh, 72h, 74h ,75h, 78h, 7Ah, 7Ch, 7Dh, 80h, 8Ah, 8Bh, 8Ch, 8Dh, 8Eh, 8Fh, C3h, C4h, C5h
  • Decryption: AES Decryption of Received Frames for up to 128 Devices (Mode 5, Mode 7, Mode 128 and custom modes)
  • Unlimited Numbers of WMbus device data can be listened over air and WMBus frames can be sent to USB software
  • USB Type A or Type C Cable, 3m Length

 

3. Installation

BKV Series USB Communication Tools have very small form factor. Thus, it can be acted as just cable and there is no need for special mounting. Simply connect the USB Type A or Type C cable to PC and latets windows Systems will install driver automatically.

If driver installation fails, user may download driver from following link manually:

BKV USB 2.0 to 2 Port Ethernet Switch Model Drivers

Other Models Drivers can be found on this page:

https://probeformeters.com/en/driver

4. Panel Descriptions and Pin Mappings

4.1 Local Device Side: BKV111 & BKV114 & BKV214 & BKV312 & BKV416 & BKV511

 

USB Type A Cable connection, 3m cable 

4.2 Local Device Side: BKV121 & BKV124 & BKV224 & BKV322 & BKV426 & BKV521

 

USB Type C Cable connection, 3m cable 

4.3 RS232 Converter With 5V Isolated Power Output: BKV111 & BKV121

 

Terminal Connector for 3 wire RS232 Connection and 5V Isolated Power Output

 

Pin Number Description
1 Tx
2 Rx
3 GND
4

Isolated Output Power -

5

Isolated Output  Power +

(5VDC)

 

Following LEDs are available to show the device status

 

LED Description
PWR Turns ON if the device is powered properly
Rx Rx and Tx LEDs turn ON during data transfer according to data activity
Tx Rx and Tx LEDs turn ON during data transfer according to data activity

 

4.4 Connector Side: BKV114 & BKV124

 

Terminal Connector for 3 wire RS485 Connection and 5V Isolated Power Output

 

Pin Number Description
1 B
2 A
3 GND (Optional)
4

Isolated Output Power -

5

Isolated Output  Power +

(5VDC)

 

Following LEDs are available to show the device status

 

LED Description
PWR Turns ON if the device is powered properly
Rx Rx and Tx LEDs turn ON during data transfer according to data activity
Tx Rx and Tx LEDs turn ON during data transfer according to data activity

 

4.5 4 Port USB 2.0 Hub: BKV214 & BKV224

 

4 port USB2.0 USB Type A Female Inputs

 

Port Number Description
1 USB Hub - Port 1, USB TYpe A Female
2 USB Hub - Port 2, USB TYpe A Female
3 USB Hub - Port 3, USB TYpe A Female
4

USB Hub - Port 4, USB TYpe A Female

 

Following LEDs are available to show the device status

 

LED Description
PWR Turns ON if the device is powered properly
USB-1 Turns ON if port 1 is used
USB-2 Turns ON if port 2 is used
USB-3 Turns ON if port 3 is used
USB-4 Turns ON if port 4 is used

 

4.6 USB 2.0 to 2 Port Ethernet Switch: BKV312 & BKV322

 

2 ports 10/100 Ethernet with Full-Duplex Support

 

Port Number Description
1 Ethernet Switch Port 1
2 Ethernet Switch Port 2

 

Following LEDs are available to show the device status

 

LED Description
PC Turns ON when device is connected via USB cable and powered up
ETH-1 Turns ON if port 1 is used and there is data activity
ETH-2 Turns ON if port 2 is used and there is data activity
FDUPLEX Ethernet link is Full Duplex when LED is ON and half duplex when LED is OFF
SPEED Ethernet link 100Mbps when LED is ON and 10Mbps when LED is OFF

 

4.7 USB to P1 Companion Protocol Meter Interface Converter: BKV416 & BKV426

 

Terminal Connector for 3 wire P1 Companion Protocol Standard Interface

 

Pin Number Description
1 CTRL (Data Request)
2 Rx (Data)
3 GND
4

NC: Not Connected

5

NC: Not Connected

 

User should arrange RJ12 cable needed to connect to meter in desired length.

 

Pin Number Description
1

+5V Power Supply: NOT USED

2

Data Request (CTRL)

3 Data GND
4 Not connected (NC)
5 Data (Rx)

6 Power GND: NOT USED

 

Following LEDs are available to show the device status

 

LED Description
PWR Turns ON if the device is powered properly
Rx Rx and Tx LEDs turn ON during data transfer according to data activity
Tx Rx and Tx LEDs turn ON during data transfer according to data activity

 

4.8 USB 2.0 to 868MHz WMBus (Wireless MBus) Converter: BKV511 & BKV521

 

868MHz WMBus (Wireless MBus) Antenna Connector
1 Standard SMA female Antenna interface, 50 ohm

 

Following LEDs are available to show the device status

 

LED Description
PC-Rx Turns ON and OFF based on data transmission on USB connection side
PC-Tx Turns ON and OFF based on data transmission on USB connection side
Status Blinks during normal operation
RF-Rx Turns ON and OFF based on data transmission on WMBus side
RF-Tx Turns ON and OFF based on data transmission on WMBus side

 

5. Usage Scenarios and Connection Diagrams

BKV Series USB Communication Tools can be used in different scenarios. Usages are not limited to that examples and user may create their own usage scenario.


5.1 USB to RS232 Converter With Isolated Power Output

BKV Series USB to RS232 Converter with built-in isolated 5V Power Output helps users to easily connect field devices such as KMK111. It has USB Type A and Type C connection options on local field device side (such as PC).


5.2 USB to RS485 Converter With Isolated Power Output

BKV Series USB to RS485 Converter with built-in isolated 5V Power Output helps users to easily connect field devices such as KMK114. It has USB Type A and Type C connection options on local field device side (such as PC).


5.3 4 Port USB 2.0 Hub

BKV Series USB 2.0 - 4 Port USB Type A Hub helps users to easily extend USB connectivity for multiple USB devices like KMK116 series.


5.4 USB 2.0 to 2 Port Ethernet Switch

BKV Series USB to 2 Port Ethernet switch helps users to easily connect field devices such as STG-LKM-CKL... series.


5.5 USB to P1 Companion Protocol Meter Interface Converter

BKV Series USB to P1 Companion Protocol Meter Interface Converter helps users to easily get P1 Electricity meters data directly to local device such as PC.

 

5.6 USB to 868MHz WMBus (Wireless MBus) Converter

BKV Series USB to 868MHZ Wireless MBus Converter helps users to easily get WMBus messages from local WMBus devices directly to local PC.

 

6. Operating Instructions

BKV Series USB Communication Tools are easy to operate. Simply connect the USB Type A or Type C cable to PC and latest windows Systems will install driver automatically.

If driver installation fails, user may download driver from following link manually:

BKV USB 2.0 to 2 Port Ethernet Switch Model Drivers

Other Models Drivers can be found on this page:

https://probeformeters.com/en/driver


6.1 USB to RS232 Converter With Isolated Power Output

  1. Connect Cable side to field USB device such as PC and complete installation of driver
  2. Connect RS232 Side to field RS232 device such as KMK111
  3. If needed, connect the power output to field RS232 Device. In our example It is KMK111 and it gets power from Pin 4 ( and GND on pin 5)
  4. Use application to interact with RS232 device such as ZR software for KMK111 optical probe

Here is a video example for reading energy meter with KMK111 RS232 optical probe:

6.2 USB to RS485 Converter With Isolated Power Output

  1. Connect Cable side to field USB device such as PC and complete installation of driver
  2. Connect RS485 Side to field RS485 device such as KMK114
  3. If needed, connect the power output to field RS485 Device. In our example It is KMK114 and it gets power from Power + cable ( and GND from Power - cable)
  4. Use application to interact with RS485  device such as ZR software for KMK114 optical probe

Here is a video example for reading energy meter with KMK114 RS485 optical probe:

6.3 4 Port USB 2.0 Hub With

  1. Connect Cable side to field USB device such as PC and complete installation of driver
  2. Connect USB sides to field USB device such as KMK116
  3. Use application to interact with USB devices such as ZR software for KMK116 optical probe

Here is a video example for reading 4 energy meters with KMK116 USB optical probes:

6.4 USB 2.0 to 2 Port Ethernet Switch

  1. Connect Cable side to field USB device such as PC and complete installation of driver
  2. Connect Ethernet sides to field Ethernet devices such as LAN Switch and CKL Series directly
  3. Use web interface to access devices in field such as CKL directly and other REDZ models such as STG, LKM... over LAN.

Here is a video example for connecting web interface of CKL series over LAN:

6.5 USB to P1 Companion Protocol Meter Interface Converter

  1. Connect Cable side to field USB device such as PC and complete installation of driver
  2. Connect P1 Side to field P1 Electricity Meter via P1 Interface
    Arrange RJ12 cable needed to connect to meter in desired length for connection

     

    Pin Number Description
    1

    +5V Power Supply: NOT USED

    2

    Data Request (CTRL)

    3 Data GND
    4 Not connected (NC)
    5 Data (Rx)

    6 Power GND: NOT USED

     

  3. Use application to listen data from P1 Companion Standard Meter such as RealTerm terminal software.

Here is a video example for reading an energy meter in P1 Companion Standard:

6.6 USB to 868MHz WMBus (Wireless MBus) Converter

  1. Connect Cable side to field USB device such as PC and complete installation of driver
  2. Use application to listen field 868MHZ WMBus devices. Here is software link for module used in this device: WMBus Software

Supported Link modes are:

  Frequency Coding Chiprate Bitrate Frame Format
S - Mode 868.30 MHz Manchester 32786 cps 16384 bps A

T - Mode (Rx)

(Meter to Other)

868.95 MHz 3-Out-Of-6 10000 cps 66666 bps A

T - Mode (Tx)

( Other to Meter)

868.30 MHz Manchester 32768 cps 16394 bps A

C - Mode (Rx)

(Meter to Other)

868.95 MHz NRZ 100000 cps 100000 bps A, B

C - Mode (Tx)

( Other to Meter)

869.525 MHz NRZ 50000 cps 50000 bps A, B

C/T - Mode (Rx)

(Meter to Other)

868.95 MHz

NRZ

3-Out-Of-6

10000 cps

10000 cps

10000 bps

66666 bps

A, B

A


Supported CI Values are:

CI-Field Function / Layer Up- or Down-link TPL header - Type Protocol / Service
53h Application Reset or Select Down Long Application Reset or Select
5Bh Command Down Long M-Bus
60h Command Down Long DLMS
6Ch Time Sync Down Long Generic
6Dh Time Sync Down Long Generic
6Eh Application Error Up Short Generic
6Fh Application Error Up Long Generic
72h Response Up Long M-Bus
74h Alarm Up Short Generic
75h Alarm Up Long Generic
78h Response Up None M-Bus
7Ah Response Up Short M-Bus
7Ch Response Up Long DLMS
7Dh Response Up Short DLMS
80h Pure Transport Layer Down Long None
8Ah Pure Transport Layer Up Short None
8Bh Pure Transport Layer Up Long None
8Ch Extended Link Layer Up / Down Short Lower Layer Service ( 2 Byte )
8Dh Extended Link Layer Up / Down Long Lower Layer Service ( 8 Byte )
8Eh Extended Link Layer Up / Down Long Lower Layer Service ( 10 Byte )
8Fh Extended Link Layer Up / Down Long Lower Layer Service ( 16 Byte )
C3h Command Down Long Security Information Transport
C4h Response Up Short Security Information Transport
C5h Response Up Long Security Information Transport


 Packet Decryption and Encryption Support List is:

Mode Encryption Type Authentication Supported
0 None None YES
2 DES CBC None NO
3 DES CBC None NO
5 AES-128 CBC None, MIC YES
7 AES-128 CBC, dynamic key CMAC YES
8 AES-128 CTR CMAC NO
9 AES-128 GCM GCM/GMAC NO
10 AES-128 CCM CCM NO
128 ELL AES-128 CTR None, CRC YES
129 Custom Modes None e.g. AT-WMBUS-NA-1

Here is a video example for listening Wireless MBus frames over air with ZTerminal application:

 

7. Ordering Information

BKV111: USB to RS232 Converter With USB Type A Cable and 5V Isolated Power Output

BKV114: USB to RS485 Converter With USB Type A Cable and 5V Isolated Power Output

BKV121: USB to RS232 Converter With USB Type C Cable and 5V Isolated Power Output

BKV124: USB to RS485 Converter With USB Type C Cable and 5V Isolated Power Output

BKV214: 4 Port USB 2.0 Type A Hub With USB Type A Cable

BKV224: 4 Port USB 2.0 Type A Hub With USB Type C Cable

BKV312: USB to 2 Port Ethernet Switch With USB Type A Cable

BKV322: USB to 2 Port Ethernet Switch With USB Type C Cable

BKV416: USB to P1 Companion Protocol Meter Interface Converter With USB Type A Cable

BKV426: USB to P1 Companion Protocol Meter Interface Converter With USB Type C Cable

BKV511: USB to 868MHz WMBus (Wireless MBus) Converter With USB Type A Cable

BKV521: USB to 868MHz WMBus (Wireless MBus) Converter With USB Type C Cable

8. Product Selection

Model USB Type A Cable for PC Connection USB Type C Cable for PC Connection RS485 Connection and 5V Isolated Power Output RS232 Connection and 5V Isolated Power Output 4 Port USB 2.0 Type A Hub 2 x 10/100 T(x) ETH ports P1 Companion Meter Interface 868MHz Wiress MBus (WMBus)
BKV111 X     X        
BKV114 X   X          
BKV121   X   X        
BKV124   X X          
BKV214 X       X      
BKV224   X     X      
BKV312 X         X    
BKV322   X       X    
BKV416 X           X  
BKV426   X         X  
BKV511 X             X
BKV521   X           X
LKM Series Electricity Meter Protocol to Modbus Protocol Gateways with MQTT (and LoRaWAN)
LKM Series Electricity Meter Protocol to Modbus Protocol Gateways with MQTT (and LoRaWAN)
STG Series WMBus (Wireless MBus) - Modbus Protocol Gateway with MQTT
STG Series WMBus (Wireless MBus) - Modbus Protocol Gateway with MQTT
TLM Series LoRa Modems and LoRaWAN EndNode Modems
TLM Series LoRa Modems and LoRaWAN EndNode Modems
CKL Series Modbus TCP and RTU Gateways and Serial to Ethernet Gateways
CKL Series Modbus TCP and RTU Gateways and Serial to Ethernet Gateways
BSB Series Industrial Unmanaged Ethernet Switch (with Broadband Power Line)
BSB Series Industrial Unmanaged Ethernet Switch (with Broadband Power Line)
KMK Series Optical Probes for Energy Meters
HUR Series Modbus TCP and RTU Remote I/O Devices with MQTT (and LoRaWAN)
BKV Series USB Tools, RS232/485 Converters, Ethernet Switches, USB 2.0 Hubs, 868MHZ WMBus Converters, P1 Meter Converters
BKV Series USB Tools, RS232/485 Converters, Ethernet Switches, USB 2.0 Hubs, 868MHZ WMBus Converters, P1 Meter Converters
BKV Series USB Tools, RS232/485 Converters, Ethernet Switches, USB 2.0 Hubs, 868MHZ WMBus Converters, P1 Meter Converters
MBC Series IEC62056-21 Protocol Auto Baud Changer
KMK Series Optical Probes for Energy Meters
REDZ Software Solutions