YOKOGAWA EML500 Series User Manual

6-25
IM80B80T10E 21th Edition : Jul.1,2007-00
< 6.INSTALLATION >
6.9.3 Switch Status Display Mode (S ub-maintenance Mode )
The switch status display is used to see if hardware
switch inputs are correct as specied.
The operation procedure is shown below:
At -5-A1, press the
F 1
key to select the
switch status display function. The display then
changes to that marked a.
The asterisks "**" on the display mean the switch
status is represented as a hexadecimal value (2
digits).
Pressing the
F 1
key (NXT) at a to d causes
the next switch status to appear on the display as
shown in the gure on the left.
The correspondence between the displayed SW
number and the actual SW number on the board is
as follows:
Display Board
SW1 SW 8
SW 2 SW3, SW 2
SW 3 SW 5, SW 4
SW 4
SW 7, SW 6
6.9.4 Voltage Check Mode (Sub-maintenance Mode)
The voltage at several points along the hardware
is checked in this mode.
The operation procedure is shown below.
At -5-A2, press the
F 1
key to select the volt-
age check mode. The display then change to that
marked a.
At a to c, pressing the
F 1
key (NXT) causes
the next voltage value to appear on the display as
shown in the gure on the left. The following are
the items that are displayed:
Standard value
REF: Reference voltage for A/D converter 4.500 min
GND : Ground level in the master unit 0.500 max
BAT: RAM backup battery voltage 2.100 min
F 1 F 2
DISPL
PREV
MODE
F 1 F 2
DISPL
PREV MODE
MAINT
MAINT
F 1 F 2
DISPL
PREV
MODE
MAINT
a.

-5-A1

-5-A2

-5-A11
b.
F 1 F 2
DISPL
PREV
MODE
MAINT
c.
F 1 F 2
DISPL
PREV
MODE
MAINT
d.
**
**
**
**
F 1 F 2
DISPL
PREV
MODE
F 1 F 2
DISPL
PREV MODE
MAINT
MAINT
F 1 F 2
DISPL
PREV
MODE
MAINT
a.

-5-A1

-5-A2

-5-A11
b.
F 1 F 2
DISPL
PREV
MODE
MAINT
c.
F 1 F 2
DISPL
PREV
MODE
MAINT
d.
**
**
**
**
F 1 F 2
DISPL
PREV
MODE
F 1 F 2
DISPL
PREV MODE
MAINT
MAINT
F 1 F 2
DISPL
PREV
MODE
MAINT
a.

-5-A2

-5-A3

-5-A21
b.
F 1 F 2
DISPL
PREV
MODE
MAINT
c.
F 1 F 2
DISPL
PREV
MODE
F 1 F 2
DISPL
PREV MODE
MAINT
MAINT
F 1 F 2
DISPL
PREV
MODE
MAINT
a.

-5-A2

-5-A3

-5-A21
b.
F 1 F 2
DISPL
PREV
MODE
MAINT
c.

YOKOGAWA EML500 Series Specifications

General

Brand	YOKOGAWA
Model	EML500 Series
Category	Measuring Instruments
Language	English