- Supports 2 x 10/100Base-T(X) ports + 1 x BPL link
- Supports Full/Half-Duplex, auto MDI/MDI-X on each port
- DHCP Server Capability
- Supports 1 x RS232 and 1 x RS485 Serial Connection up to 460800 Baud
- Embedded web interface for ease of use
- 3 Different Device Functions and 6 Different Working Modes:
Serial to Ethernet Transparent Gateway Function: Act as transparent gateway between TCP Master and Serial devices or TCP slave and Serial devices
Modbus TCP/RTU Protocol Gateway: Convert Modbus TCP Master devices data to Modbus RTU Protocol or Modbus RTU Master devices data to Modbus TCP Protocol
Modbus TCP/RTU Scheduler with MQTT Data Send: Reads field Modbus RTU or TCP devices and send their data to MQTT Server
- Transparent Operating Mode lets device act as Serial to Ethernet Gateway
- Up to 10 remote TCP/IP device connection in Modbus TCP/RTU Protocol Gateway Function
- Up to 40 Modbus Commands can be defined in Modbus TCP/RTU Scheduler with MQTT Data Send Function
- MQTT Publisher with different data transfer options in Modbus TCP/RTU Scheduler with MQTT Data Send Function
- Easy to follow Serial and Ethernet data packages on web interface
- Black List and White List based IP Filter in TCP Server Mode
- Firmware Upgrade over Web
- 2 firmware storage capability on same device (1 active only)
- 90 - 265V AC (100 – 370V DC), 47Hz to 63Hz AC wide range power input
- Wide operating temperature range from -25 to 70 °C
- Rugged Metal IP-40 housing design
- DIN-Rail mounting
TECHNOLOGY
ETHERNET SWITCH TECHNOLOGY
Ethernet Standards
IEEE 802.3 for 10Base-T
IEEE 802.3u for 100Base-T(X)
IEEE 802.3x Flow Control
Mac Table
1K MAC address entry
Processing
Store-and-Forward
Memory
448K bits packet buffer memory
MODBUS CHARACTERISTICS
MQTT Publisher based on Modbus query is available in
Device Function:
Modbus TCP/RTU Scheduler with MQTT Data Send
Modbus Protocol
Modbus TCP or RTU
Selectable by User
Modbus Devices
Up to 40 Modbus command can be defined by User
Modbus Address
Independently selectable by User
Modbus Function Code
Read Coil Status (FC=01)
Read Input Status (FC=02)
Read Holding Registers (FC=03)
Read Input Registers (FC=04)
Selectable
Modbus Command Setting
Register Adress
Total Number of Registers
Query Interval
Time Out
Independently Selectable for each command
Modbus RTU Serial Settings
Serial interface RS232 or RS485
Serial data settings and Baud Rate
Independently Selectable for each command
MQTT DETAILS
MQTT Publisher based on Modbus query is available in
Device Function:
Modbus TCP/RTU Scheduler with MQTT Data Send
MQTT Connection
Broker IP and Port can be entered
Client ID , User name and Password can be set
Publish Topic and Subscribe Topic can be defined from web interface
Data Send Interval
User can send Data send interval in seconds
Default is 60 seconds and CKL will send Modbus data to MQTT server in that interval
NTP Server
NTP server time will be added to each MQTT message
Data Format
There are 1 predefined format
DATA AS MODBUS FRAME: Send just like the response of Modbus query as hex data
CONNECTORS AND PORTS
Console Port
Micro USB or USB Type-C connection for LOG in 115200 baud
10/100T(X) RJ45 Ports
Ethernet Connection on 2 ports
Serial Ports
5 pin wired Terminal Connection
Tx, Rx, GND for RS232
A and B for RS485
Reset Buttons
Reset to Client and Reset to Server Operating modes buttons
LED INDICATORS
Power indicator
Power LED
10/100T(X) Indicators
Activity LEDs:
ETH1, ETH2 and CKL (Activity of device itself)
System Indicators
Status LED,
Tx and Rx of data LEDs and Server LED
(LED ON: Server Operating Mode, LED OFF: Client Operating Mode)
Console Indicators
Tx and Rx of data LEDs
POWER
Input Range
100 - 240V AC (120 – 370V DC), 50Hz to 60Hz AC input
Isolation
Fully Isolated >4200Vrms, 5mA 1 Min
Insulation
Class II
PHYSICAL AND ENVIRONMENTAL CHARACTERISTICS
Enclosure
Metal, IP 40
Dimensions
43 x 95 x 124 (w x d x h) mm
Weight
~400gr
Storage Temperature
-40 to 105 °C
Operating Temperature
-25 to 70 °C
Operating Humidity
5% to 95%Non-condensing
CKL254: Serial to Ethernet Gateway, 2x 10/100 T(x) ETH ports, 1 x RS232 & 1 x RS485, 100 - 240V AC (120 – 370V DC), 50Hz to 60Hz AC Power Input
