Land Ametek RT8A, Руководство по установке

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Page 9
RT8A Thermometer Installation Guide
10 Electrical Connections
10.1 General Connections
The electrical connections for the RT8A thermometer power supply and
temperature output are made via the 6-way socket on the rear of the
thermometer (see Fig. 9).
The connection to the thermometer can be made via any of the following:
•
Pre-wired 4m cable (Land Part No. 029.673)
• 6-way plug (Land Part No. 206.551)
• 6-way plug housed in protective jacket end cap (Land Part No. 091.562)
Thermometer Pin Function Cable Colour End Cap Pin Nº
1 - - -
2 - - -
3 V+, 4 to 20mA Red 5
4 - - -
5 - - -
6 V-, 4 to 20mA Black 6
To connect the 6-way plug to the RT8A thermometer (see Fig. 4):
•
Align the red marker near the lugs of the plug, with the red marker located
above the keyway in the thermometer socket.
• Push the plug into the socket, ensuring that the locking sleeve slides
forwards, locking the plug to the socket.
To disconnect the 6-way plug to the RT8A thermometer:
•
Grip the locking sleeve portion of the plug.
• Slide the locking sleeve rearwards to release the locking mechanism and
disconnect the plug from the thermometer socket.
Fig. 9 Connecting the 6-way plug to the RT8A Thermometer
Keyway Lugs
Marker
Marker
3
6
0V (Black)
+ve Volts (Red)
View on connector terminal