YOKOGAWA DPharp EJXC40A, Руководство пользователя

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<5. Wiring>
5-4
IM 01C25W05-01EN
Protective cap DRS cable connection port
High pressure side transmitter (master)
Low pressure side transmitter (slave)
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Do not remove this screw
of the low pressure side
transmitter (slave).
Figure 5.10 Removing the Protective Cap
A dustproof protective cap is attached to the DRS
cable connection port of the high pressure side
transmitter (master). Do not remove this cap until
you connect a cable. Do not remove the screw
located at the same location on the low pressure
side transmitter as doing so will affect the product
performance.
● In The Case of Electrical Connection Code 2,
7, C (1/2 NPT Female) or 4, 9, D (M20 Female)
• Components of the cable gland
This cable gland consists of an entry, seal,
running coupler, and back nut. Check that the
wiring port thread standard and the cable gland
entry’s thread standard are matched.
1/2NPT Type
M20 Type
Gasket
Entry with Seal
Running
Coupler
Backnut
Entry with Seal
Running
Coupler
Backnut
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Figure 5.11 Components of the Cable Gland
• Installing the cable gland
1. Disassemble the cable gland: loosen the
running coupler to separate the backnut from
the entry.
2. Remove the protection cap over the
transmitter electrical connection and install
the entry on the electrical connection.
Note that a sealant should be applied
to the threads for a 1/2 NPT connection
and a gasket should be used for an M20
connection.
Apply a sealant and screw in.
High pressure side transmitter (master)
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Figure 5.12 Applying Sealant
3. Pass the DRS cable through the running
coupler and back nut assembly component.
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Figure 5.13 Running Coupler and Back Nut
4. Insert the DRS cable through the entry
mounted on the wiring port, and insert the
connector into the DRS connection port.
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Entry
Running coupler
High pressure side transmitter (master)
Ground terminal
(Inside)
Ground terminal
(Outside)
Figure 5.14 DRS Cable Connection 1
(Cable Gland)