Omron NV Series - Switching Backlight Colors

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Switching Backlight Colors Section 8-1
8-1-2 Switching Backlight Colors
The backlight color and light/flash status can be specified in the Bit Area of
the System Memory. (The first word of System Memory is specified in the NV
Configuration).
■ Backlight Color Specifications
■ Backlight ON/Flash Specifications
If bit 13 (the Backlight Control Enable Bit) is turned OFF, the backlight will light
in the color set in the screen properties.
First word in Bit Area of system memory Backlight color
Bit NV3W-MG@@(@)
NV4W-MG@@
NV3W-MR@@(@)
NV4W-MR@@
NV3Q-MR@@
13 11 10
ON OFF OFF Not lit Not lit
OFF ON Green White
ON OFF Red Red
ON ON Orange Pink
First word in Bit Area of system memory Backlight ON/flash
Bit NV3W-MG@@(@)
NV4W-MG@@
NV3W-MR@@(@)
NV4W-MR@@
NV3Q-MR@@
13 12
ON OFF Light Light
ON Flash Flash
Specification
Backlight color
and Light/Flash
status
PLC
N
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
1
{
NV
System memory
Bit Area
Backlight color
Bits 10 and 11 together
NV3W-MG@@(@): 00: Not lit, 01: Green, 10: Red, 11: Orange
NV3W-MR@@(@): 00: Not lit, 01: White, 10: Red, 11: Pink
NV4W-MG@@: 00: Not lit, 01: Green, 10: Red, 11: Orange
NV4W-MR@@: 00: Not lit, 01: White, 10: Red, 11: Pink
NV3Q-MR@@: 00: Not lit, 01: White, 10: Red, 11: Pink
Backlight ON/Flash Bit
ON: Flashing, OFF: Lit
Backlight Control Enable Bit
ON: Backlight control enabled
OFF: Backlight control disabled
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
N
1011
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
N
1010
Application Example That Switches the Backlight Color
Color That Indicates
Normal Operation
"Orange"
"Green"
Green is set in the Screen Properties.
Color That Indicates an Alarm
"Red"
Color That Indicates an Alarm
System Area
Bit Area
Bit Area
Backlight color
NV3W: 11: Orange
Backlight ON/Flash Bit
OFF: Lit
Backlight Control Enable Bit
ON: Backlight control enabled
Backlight color
NV3W: 10: Red
Backlight ON/Flash Bit
OFF: Lit
Backlight Control Enable Bit
ON: Backlight control enable
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