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RS485 MODBUS Module 8AI

User Manual

8.2.  Bit access

Modbus

Address

Dec

Address

Hex

Address

Register name

Access

Description

801

800

0x320

Input 1 

Read

Set when the input is connected

802

801

0x321

Input 2

Read

Set when the input is connected

803

802

0x322

Input 3 

Read

Set when the input is connected

804

803

0x323

Input 4 

Read

Set when the input is connected

805

804

0x324

Input 5 

Read

Set when the input is connected

806

805

0x325

Input 6 

Read

Set when the input is connected

807

806

0x326

Input 7

Read

Set when the input is connected

808

807

0x327

Input 8

Read

Set when the input is connected

817

816

0x330

Alarm 1

Read

Alarm state 1

818

817

0x331

Alarm 2

Read

Alarm state 2

819

818

0x332

Alarm 3

Read

Alarm state 3

820

819

0x333

Alarm 4

Read

Alarm state 4

821

820

0x334

Alarm 5

Read

Alarm state 5

822

821

0x335

Alarm 6

Read

Alarm state 6

823

822

0x336

Alarm 7

Read

Alarm state 7

824

823

0x337

Alarm 8

Read

Alarm state 8

825

824

0x338

Digital output 1 

Read & Write

State of digital output 1

826

825

0x339

Digital output 1

Read & Write

State of digital output 2

Expansion Module  – 8 analog inputs

User Manual

Version 1.5

13 / 15

Содержание 8AI

Страница 1: ...RS485 MODBUS Module 8AI Expansion Module 8 analog inputs Version 1 5 User Manual Manufactured for...

Страница 2: ...ithout incurring any liability for the purposes of commercial law This information does not release you from the obligation of own judgement and verification We reserve the right to change product spe...

Страница 3: ...te adapter The device has a set of 8 analog input measurements In addition the module is equipped with 2 configurable digital outputs This module is connected to the RS485 bus with twisted pair wire C...

Страница 4: ...4mA to 20mA resolution 3 75 A Current input 0mA to 20mA resolution 3 75 A Current input 20mA to 20mA resolution 3 75 A Measurement resolution 14 bits ADC processing time 16ms channel Digital outputs M...

Страница 5: ...shown below The module is mounted directly to the rail in the DIN industry standard Power connectors communication and IOs are at the bottom and top of the module USB connector configuration and indi...

Страница 6: ...terminated at both ends with a resistor across the line equal to its characteristic impedance Both ends must be terminated since the direction of propagation is bi directional In the case of an RS485...

Страница 7: ...rs Access to registers is via MODBUS RTU or MODBUS ASCII 3 5 1 Default settings You can restore the default configuration by the switch SW6 see 3 5 2 Restore the default configuration Baud rate 19200...

Страница 8: ...bits 8 8 data bits 40006 5 0x05 Response delay Time in ms 40007 6 0x06 Modbus Mode 0 RTU 1 ASCII 4 Indicators Indicator Description Power supply LED indicates that the module is correctly powered Comm...

Страница 9: ...RS485 MODBUS Module 8AI User Manual 5 Module Connection Expansion Module 8 analog inputs User Manual Version 1 5 9 15...

Страница 10: ...odule as shown below Jumper Description off Voltage measurement shorted Current measurement 7 Switches Switch Function Description 1 Module address 1 Setting module address from 0 to 31 2 Module addre...

Страница 11: ...uts Read Write Alarms state bit 8 and 9 alarm outputs 30053 52 0x34 Analog 1 Read Value of analog input in mV for voltage inputs in A for current inputs 30054 53 0x35 Analog 2 Read 30055 54 0x36 Analo...

Страница 12: ...ion and 6 Selecting the input mode 40088 87 0x57 Input 2 settings Read Write 40089 88 0x58 Input 3 settings Read Write 40090 89 0x59 Input 4 settings Read Write 40091 90 0x5A Input 5 settings Read Wri...

Страница 13: ...ut is connected 807 806 0x326 Input 7 Read Set when the input is connected 808 807 0x327 Input 8 Read Set when the input is connected 817 816 0x330 Alarm 1 Read Alarm state 1 818 817 0x331 Alarm 2 Rea...

Страница 14: ...the current value of other registers of the module This program can be a convenient way to test the system as well as to observe real time changes in the registers Communication with the module is don...

Страница 15: ...Modbus Network 6 3 4 Types of Modbus Registers 7 3 5 Communication settings 7 3 5 1 Default settings 7 3 5 2 Restore the default configuration 7 3 5 3 Configuration registers 8 4 Indicators 8 5 Modul...

Страница 16: ...Input No Voltage input default Current input 1 2 3 4 5 6 7 8...

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