Caution, 1/2npt type m20 type, Wiring – Yokogawa EJX115A User Manual
Page 34: 5) align the running coupler on the entry
 
<5. Wiring>
32
IM 01C25A01-01E
• Components for the cable gland
The	cable	gland	assembly	consists	of	an	entry,	seal,	
running	coupler,	and	backnut.	Confirm	that	the	seal	is	
attached	inside	the	entry	and	that	the	thread	size	of	the	
cable	gland	is	the	same	as	that	for	the	RTD	electrical	
connection.
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1/2NPT Type
M20 Type
Gasket
Entry with Seal
Running
Coupler
Backnut
Entry with Seal
Running
Coupler
Backnut
CAUTION
Input/output	signal	is	non-isolated.	
Do	not	turn	on	power	supply	until	you	complete	all	the	
wiring	work.
Procedure
(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	non-hardening	
sealant	should	be	applied	to	the	threads	for	a	1/2	NPT	
connection	and	a	gasket	should	be	used	for	an	M20	
connection.
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(3) Pass the RTD cable through the running coupler and
backnut assembly.
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(4) Insert the RTD cable and firmly plug its connector into
the connecting port in the transmitter's terminal box.
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(5) Align the running coupler on the entry.
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(6) Turn the running coupler until the seal in the entry
comes into contact with the RTD cable.
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(7) Rotate the running coupler another half turn to
securely tighten the seal on the RTD cable.
(8)	Use	a	protection	conduit,	if	necessary.	
In	this	case,	insert	the	cable	through	the	conduit	and	
attach	it	to	the	Backnut.
CAUTION
After	the	cable	is	secured	as	explained	above,	do	not	
tighten	the	running	coupler	any	further;	to	do	so	could	
damage	the	RTD	connection.	
Do	not	pull	the	cable	or	subject	it	to	excessive	
mechanical	shock.