Nagano Keiki EJ15 User Manual page 24

Intrinsically safe pressure sensor for high pressure hydrogen application
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Barrier model No.: KFD2-STC4-Ex1
Equipment
EJ15
Ground
Receiver
Power supply
NOTE: Suitable diameter of barrier cable: AWG24 to 14
< Figure 7-6 Connection Diagram of Insulated Barrier by P&F Co., Ltd. >
*1 Install the EJ15 during piping so that the main body (fitting) is grounded as it is required to do so (For
the terminal box type, the EJ15 main body can also be grounded from the M4 screw portion provided on
the outer surface). If the piping (EJ15 unit) cannot be grounded, use the ground terminal of this product
(M12 connector type: cable shielded wire/terminal box type: terminal block grounding terminal) to
ground the product. However, when both the EJ15 body and earth terminal are grounded, provide single
point grounding so that there is no potential difference.
Barrier terminal
number
M12 connector
1
3
-
7
8
14
15
24
Equipment terminal
1: Power (+)
3: Power (-)
*1
Output (-)
Output (+)
Power (+)
Power (-)
Terminal box
Power (+)
Power (-)
*1
TY-EJ15-003A Rev.2

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