YOKOGAWA EJX Series, User Manual

Page: 37 / 52

<6. Operation>
35
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)
F0601.ai
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.
F0602.ai
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
6