CEL-MAR ADA-4040PC6, User Manual

- unknown data value 

- NMEA0183 device not respond on inquiries,

returns to MASTER type device the frame containing the appropriate exception – described below.

Response – in case of error

Byte no

Designation

Size

Value [hex]

00

Converter address 1-Byte

11 [ 11 to F7]

01

Function code

1-Byte

83 / 84

02

Error code

1-Byte

01 – unknown function
02 – unknown data address
03 – unknown data value
04 – NMEA0183 device not respond or is faulty

03

CRC-Lo

1-Byte

04

CRC-Hi

1-Byte

9. VERSIONS

ADA-4040PC6 - 

-

Order example:
Product Symbol: 

ADA-4040PC6-1-23

1

 – standard version,

23

 – 1kV=, 3-way galvanic isolation,

Version:

Standard

1

3-way galvanic isolation:

1kV=

23

3kV=

33

10. SPECIFICATION

TECHNICAL DATA

Transition Parameters

Interface

RS-485/RS-422 (NMEA0183)

RS-485/RS-422 (RTU)

Connector

Screw terminal, wire max. Ø 2,5mm

2

Screw terminal, wire max. Ø 2,5mm

2

Line length

1200m (depends on baud rate)

1200m (depends on baud rate)

Max. number of connected device

Up to 32 devices

Baud rates (bps)

300, 600, 1200, 1800, 2400, 4800, 7200, 9600, 14400, 19200, 28800, 38400, 57600, 76800, 

115200, 230400,

Data formats

Data bits 5, 6, 7, 8,

Parity: None, Parity, Odd,

Number of stop bits: 1, 2,

Transmission line

Twisted cable 1-pair or 2-pair, UTP Nx2x0,5 (24AWG), shield inside large interferences STP 

Nx2x0,5(24AWG).

Transmission type 

Asynchronism full duplex, half duplex.

Standards

EIA-485, CCITT V.11

Protocol

NMEA0183

Modbus-RTU

Optical signalisation

•

PWR – green LED power supply,

•

RX - red LED data receiving from RTU port – RS485/RS422,

•

TX - yellow LED data transmission through RTU port – RS485/RS422.

Electrical Parameters

Power requirements

10 - 24 – 30 V DC

Power Cable

Recommended length of power cable – up to 3m.

Power

<2W

Protection from reverse power 
polarization

YES

Galvanic Isolation

1kVDC or 3kVDC between power circuit and RS-485/RS-422 NMEA and RTU signal lines – 

depend on version.

Optoisolation 

~3kV - between signal line RS-485/RS-422 (NMEA0183) and RS-485/RS-422 (RTU)

Electromagnetic compatibility

Resistance to disruptions according to the standard PN-EN 55024.

Emission of disruptions according to the standard PN-EN 55022.

21

ADA-4040PC6