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Gossen MetraWatt
Temperature Controller
R2700
Gossen MetraWatt R2700 User Manual
32 pages
Manual
Specs
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Interface Description
R2700 / R2500
Bus Interfaces
3-349-375-03
7/2.12
2
Table of Contents
Default Chapter
2
Table of Contents
2
1 RS 485-Bus
3
Interface Configuration
3
Communication Protocol
3
Primary Function
3
Time Response
3
Connecting the Bus Interface
4
2 Modbus Protocol
4
Frame Types and Layout
4
Basic Layout
4
Waiting Time
4
Function Code
4
Data
5
Error Check
5
Support Frames
6
Error Handling
8
Reading and Writing Data
8
Addressing
8
Format
8
Writing Parameters
8
Reading Parameters
9
3 HB-THERM Protocol
10
Frame Layout
10
Basic Layout
10
Formats
10
Message Contents
11
Setpoint and Actual Value, Status (41H)
11
Control Commands, Responses
11
Reading Parameters (51H)
12
Writing Parameters (61H)
12
Examples
13
Example for Setpoint and Actual Value
13
Example for Writing Parameters
13
4 Profibus DP Interface
14
General
14
Connection
14
Interface Configuration
14
Communication Protocol
14
DDBF Gmc_059D.gsd
14
Data Exchange
14
Quick Exchange of Setpoints and Actual Values
15
Exchange of Measured Values, Parameters and Configurations
15
Function Field
16
Block Number
16
Checksum
16
Data Block Format
16
Predefined Blocks
17
Transmission of Parameter Sets
21
5 R2500 / R2700 Data and Parameters with the Associated Word Addresses
22
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Gossen MetraWatt R2700 Specifications
General
Operating Temperature
0 to 50 °C
Input Type
Thermocouple
Output Type
Relay
Control Algorithm
PID
Display
LED
Power Supply
24 V AC/DC
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