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Cable Testing Guide for Technicians

The document outlines the steps to test cables connecting instrumentation at various junction boxes. It involves checking wiring connections at 4 junction boxes, which connect volumetric pumps, transmitters, controllers and mass flow controllers. A checklist is also provided to check the status of connections at each junction box and the panel box.

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Mohd Aiman Aznin
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60 views3 pages

Cable Testing Guide for Technicians

The document outlines the steps to test cables connecting instrumentation at various junction boxes. It involves checking wiring connections at 4 junction boxes, which connect volumetric pumps, transmitters, controllers and mass flow controllers. A checklist is also provided to check the status of connections at each junction box and the panel box.

Uploaded by

Mohd Aiman Aznin
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as DOCX, PDF, TXT or read online on Scribd
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Cable Testing Procedure

1. Check at the panel box

2. Check wiring connection at the junction box 1


 Volumetric pump (PE1)
 Volumetric pump (PE2)
Live PE1 Live PE1
Neutral PE1 Neutral PE1
Earth PE1 & PE2 Earth PE1 & PE2
Neutral PE2 Neutral PE2
Live PE2 Live PE2
Terminal Connector
From Panel Box From Instrument

3. Check wiring connection at the junction box 2


 Temperature Transmitter (TT1)
 Pressure Transmitter 1 (PT1)
 Pressure Transmitter 2 (PT2)
+Ve TT1 +Ve TT1
-Ve TT1 -Ve TT1
4mb~20mb TT1 4mb~20mb TT1
+Ve PT1 +Ve PT1
-Ve PT1 -Ve PT1
4mb~20mb PT1 4mb~20mb PT1
+Ve PT2 +Ve PT2
-Ve PT2 -Ve PT2
4mb~20mb PT2 4mb~20mb PT2
+Ve MS08 +Ve MS08
-Ve MS08
-Ve MS08
Terminal Connector
From Panel Box From Instrument
4. Check wiring connection at the junction box 3
 Flow Transmitter (FT1)
 Flow Controller (FC1)

+Ve FT1
+Ve FT1
-Ve FT1
-Ve FT1
485 Tx FT1
485 Tx FT1
485 Rx FT1
485 Rx FT1
(+)4-20mA FT1
+Ve FC1 (-)4-20mA FT1
+Ve FC1
-Ve FC1
-Ve FC1
(-)4~20mA FC1
(-)4~20mA FC1
(+)4~20mA FC1 (+)4~20mA FC1
Terminal Connector

From Panel Box From Instrument

5. Check wiring connection at the junction box 4


 Mass Flow Controller 1 (MFC1)
 Mass Flow Controller 2 (MFC2)
+Ve MFC1 +Ve FT1
-Ve MFC1 -Ve MFC1
485 Tx MFC1 485 Tx MFC1
485 Rx MFC1 485 Rx MFC1
Ground MFC1 & MFC2
+Ve MFC2
+Ve MFC2
-Ve MFC2 -VeMFC2
485 Tx MFC2 485 Tx MFC2
485 Rx MFC2 485 Rx MFC2
Terminal Connector
From Panel Box From Instrument

CHECKLIST FOR PANEL BOX


NO INSTRUMENTS STATUS

CHECKLIST FOR JUNCTION BOX 1

NO CABLE CONNECTIVITY STATUS


1 JUNCTION BOX 1
1 LIVE PE1
2 NEUTRAL PE1
3 LIVE PE2
4 NEUTRAL PE2
2 JUNCTION BOX 2
1 +Ve TT1
2 -Ve TT1
3 4mb~20mb TT1
4 +Ve PT1
5 -Ve PT1
6 4mb~20mb PT1
7 +Ve PT2
8 -Ve PT2
9 4mb~20mb PT2
3 JUNCTION BOX 3
1 +Ve FT1
2 -Ve FT1
3 485 Tx FT1
4 485 Rx FT1
5 +Ve FC1
6 -Ve FC1
7 (-)4~20mA FC1
8 (+)4~20mA FC1
4 JUNCTION BOX 4
1 +Ve MFC1
2 -Ve MFC1
3 485 Tx MFC1
4 485 Rx MFC1
5 +Ve MFC2
6 -Ve MFC2
7 485 Tx MFC2
8 485 Rx MFC2

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