Switch Status Display Mode (Sub-Maintenance Mode); Voltage Check Mode (Sub-Maintenance Mode) - YOKOGAWA EML500 Series User Manual

6.9.3

Switch Status Display Mode (Sub-maintenance Mode)

-5-A1 -5-A1
DISPL DISPL
-5-A11 -5-A11
a. a.
DISPL DISPL
b. b.
DISPL DISPL
c. c.
DISPL DISPL
d. d.
DISPL DISPL
6.9.4

Voltage Check Mode (Sub-maintenance Mode)

-5-A2 -5-A2
DISPL DISPL
-5-A21 -5-A21
a. a.
DISPL DISPL
b. b.
DISPL DISPL
c. c.
DISPL DISPL
MAINT MAINT
F 1 F 1 F 2 F 2 PREV PREV MODE MODE
-5-A2 -5-A2
* * * *
MAINT MAINT
F 1 F 1 F 2 F 2 PREV PREV MODE MODE
* * * *
MAINT MAINT
F 1 F 1 F 2 F 2 PREV PREV MODE MODE
* * * *
MAINT MAINT
F 1 F 1 F 2 F 2 PREV PREV MODE MODE
* * * *
MAINT MAINT
F 1 F 1 F 2 F 2 PREV PREV MODE MODE
MAINT MAINT
F 1 F 1 F 2 F 2 PREV PREV MODE MODE
-5-A3 -5-A3
MAINT MAINT
F 1 F 1 F 2 F 2 PREV PREV MODE MODE
MAINT MAINT
F 1 F 1 F 2 F 2 PREV PREV MODE MODE
MAINT MAINT
F 1 F 1 F 2 F 2 PREV PREV MODE MODE
< 6.INSTALLATION >
The switch status display is used to see if hardware
switch inputs are correct as specified.
The operation procedure is shown below:
At -5-A1, press 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 key (NXT) at a to d causes
F 1
the next switch status to appear on the display as
shown in the figure on the left.
The correspondence between the displayed SW
number and the actual SW number on the board is
as follows:
Display
SW1
SW 2
SW 3
SW 4
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
age check mode. The display then change to that
marked a.
At a to c, pressing the
the next voltage value to appear on the display as
shown in the figure on the left. The following are
the items that are displayed:
REF: Reference voltage for A/D converter
GND: Ground level in the master unit
BAT: RAM backup battery voltage
IM80B80T10E
6-25
key to select the
F 1
Board
SW 8
SW3, SW 2
SW 5, SW 4
SW 7, SW 6
key to select the volt-
key (NXT) causes
F 1
Standard value
4.500 min
0.500 max
2.100 min
21th Edition : Jul.1,2007-00