TESTO 6681 Profibus Instruction Manual page 28
Humidity transmitter
with profibus module testo 6610.
probes p2a software. parameterizing, adjusting and analyzing software
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Also See for 6681 Profibus:
- Instruction manual (154 pages) ,
- Instruction manual (85 pages) ,
- Instruction manual (86 pages)
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testo 6681 Profibus
28
1.3.3.1
Overview of terminals
1
Lower part of housing
2
Relay board (option)
3
Relay terminals
4
Insulating trough for relay
board
5
Terminal strip for voltage
supply and analog outputs*
*
The transmitter testo 6681 with
integrated Profibus module (order
code B 77) has two current
outputs 4 to 20 mA.
6
Terminal board
- 1.3 Commissioning
The following description of the terminals refers to this
overview and its numbering.
7
Earthing terminal (internal)
8
M 16 x 1.5 screw
connection**
9
Earthing terminal (external)
10 M 20 x 1.5 screw
connection*
11 Eyelet for measuring point
panel
**
Alternatively, NPT cable coupling
or M plug-in connection.
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