Laurel Electronics Ethernet Interface Board for 1_8 DIN Laureate Meters, Counters, Timers & Remote Displays User Manual
Page 2
LAUREL
ELECTRONICS INC., 3183-G Airway Ave., Costa Mesa, CA 92626, USA • Tel 714-434-6131 • www.laurels.com 2
Electrical Specifications
Ethernet Board Specifications
Data rates
Devices per Node
Ethernet connector
Ethernet cable
Ethernet compliance
Isolation
ESD Protection
EMI Immunity
EFT Protection
Short Circuit Protection
300, 600, 1200, 2400, 4800, 9600, 19200 baud with Laureate instruments.
Up to 614,400 baud with non-Laureate instruments.
Host digital panel meter, counter, timer or remote display
RJ45 jack
10/100Base-T
EIA/TIA-485
250V rms working, 2.3 kV rms per 1 min test
15 kV per IEC 1000-4-2
10 V/m per IEC 1000-4-3
2 kV per IEC 1000-4-4
Continuous
Protocol Specifications
(Protocol is implemented by meter main board)
Modbus RTU
Standards Compliance
Data Formats (selectable)
Applicable Interface Boards
Conversion to Modbus TCP
Main Board Revision Level
Modbus over Serial Line Specification V1.0 (2002)
1. No parity, 8 data bits, 2 stop bits
2. Odd parity, 8 data bits, 1 stop bit
3. Even parity, 8 data bits, 1 stop bit
Ethernet, USB, RS232, RS485, RS485 Modbus
Automatic
Level 5 or above
Modbus ASCII
Standards Compliance
Data Formats (selectable)
Applicable Interface Boards
Conversion to Modbus TCP Main
Board Revision Level
Modbus over Serial Line Specification V1.0 (2002)
1. No parity, 7 data bits, 2 stop bits
2. Odd parity, 7 data bits, 1 stop bit
3. Even parity, 7 data bits, 1 stop bit
Ethernet, USB, RS232, RS485, Modbus RS485
Automatic
Level 5 or above
Laurel ASCII
Data Format
Protocol
Applicable Interface Boards
Main Board Revision Level
No parity, 8 data bits, 1 stop bit
Laurel Laurel ASCII
Ethernet, USB, RS232, RS485, RS485 Modbus
Any