Operation; Preparation For Starting Operation - YOKOGAWA EJX Series User Manual

6.

Operation

NOTE
For F Fieldbus and PROFIBUS PA
OUNDATION
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)
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.
Slide switch
F0601.ai
CPU assembly
Burnout Direction
Switch Position
Burnout Direction
Hardware write protection switch (WR)
Write Protection
Switch Position
Write Protection
Figure 6.1
<6. Operation>
Burnout direction switch
BO H L
WR E D
Write protection switch
Burnout direction switch (BO)
H L H
HIGH
H L H
E D E
NO
(Write enabled) (Write disabled)
Burn-out Direction and Hardware Write
Protection Slide Switch
35
6
L
LOW
L
D
YES
F0602.ai
IM 01C25A01-01E