Operation, 1 preparation for starting operation, Preparation for starting operation – Yokogawa EJX115A User Manual
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<6. Operation>
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IM 01C25A01-01E
6. Operation
NOTE
For F
OUNDATION
Fieldbus and PROFIBUS PA
communication	types	and	for	the	transmitter	operating	
confirmation	and	zeroing	by	any	communication	
method,	refer	to	manuals	in	the	attached	CD-ROM	for	
further	information.
6.1 Preparation for Starting
Operation
Confirming that Transmitter is Operating
Properly
On the integral indicator
•	 If	the	wiring	system	is	faulty,	the	display	stays	blank.
•	 If	the	transmitter	is	faulty,	an	error	code	is	displayed.
Self-diagnostic error on the integral indicator
(Faulty transmitter)
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NOTE
If	any	of	the	above	errors	are	indicated	on	the	display	
of	the	integral	indicator,	refer	to	Chapter	7	for	the	
corrective	action.
Verify and Change Transmitter
Parameter Setting and Values
The	parameters	related	to	the	following	items	are	set	at	
factory	as	specified	in	order.
•	 Calibration	range
•	 Integral	indicator	display
•	 Output	mode
•	 Software	damping	(optional)
Other	parameters	like	following	are	shipped	with	the	
default	setting.
•	 Low-cut
•	 Process	alarm	setting
•	 Static	pressure	range
•	 Signal	characterizer
•	 Write	protection	
To	confirm	or	change	the	values,	please	refer	to	manuals	
in	the	attached	CD-ROM.
Output Status Setting at CPU Failure and
Hardware Write Protection
Set	the	switches	as	shown	in	the	figure	below	to	set	the	
burn-out	direction	and	write	protection.	The	Burnout	
switch	is	set	to	the	H	side	for	delivery	(unless	option	code	
/C1	or	/C2	is	specified	in	the	order),	and	the	hardware	
write	protection	switch	is	set	to	E	side.	The	setting	of	the	
switches	can	be	confirmed	via	communication.	
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H
L
H
L
Slide switch
CPU assembly
BO H
L
WR E
D
Burnout direction switch
Write protection switch
H
L
H
L
E
D
E
D
Hardware write protection switch (WR)
Write Protection
Switch Position
HIGH
LOW
Burnout direction switch (BO)
Burnout Direction
Burnout Direction
Switch Position
YES
(Write disabled)
NO
(Write enabled)
Write Protection
Figure 6.1
Burn-out Direction and Hardware Write
Protection Slide Switch
O
pe
ra
tio
n
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