LUMEL RE15 Manuals

LUMEL RE15 Manuals

Manuals and User Guides for LUMEL RE15. We have 1 LUMEL RE15 manual available for free PDF download: User Manual

LUMEL RE15 User Manual

LUMEL RE15 User Manual (29 pages)

MICROPROCESSOR CONTROLLER

Brand: LUMEL | Category: Controller | Size: 0 MB

Table of Contents

Contents
3
Description of the Modbus Protocol
4
ASCII Framing
6
RTU Framing
6
Characteristic of Frame Fields
7
Address Field
7
Function Field
7
Data Field
8
Error Checking Field
8
LRC Checking
9
CRC Checking
9
Character Format During Serial Transmission
10
Transaction Interruption
10
Function Description
11
Reading of N-Registers
11
Demans
11
Writing of Values in the Register
12
Writing in N-Registers
13
Report Identifying the Device
13
Example Concerning the RE15 Controller
14
Error Codes
15
The Function Code Field
15
The Data Field
16
Table of Registers for the RE15 Controller
17
Contents of 16-Bit Registers
17
Calculation of the Checksum
23

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