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IM 04L51B01-01EN
1.3.2 Setting Alarms
Path
GX/GP: MENU key > Browse tab > Setting > Setting menu DI channel settings > Alarm
Web application: Config. tab> DI channel settings > Channel range (display example:
0501-0516) > Alarm
Hardware configurator: DI channel settings > Channel range (display example: 0501-0516)
> Alarm
Description
Setup Item Selectable Range or Options Default Value
First-CH DI channel —
Last-CH DI channel —
First-CH, Last-CH
Set the target channels. The channels that you can specify appear depending on the module
configuration.
Level 1, Level 2, Level 3, Level 4
Setup Item Selectable Range or Options Default Value
On/Off Off, On Off
Type
1
H: High limit, L: Low limit, R: High limit on rate-of-
change, r: Low limit on rate-of-change,
T: Delay high limit, t: Delay low limit,
h: Difference high limit,
2
l: Difference low limit
2
Off
Value
1
Within the setting range 0
Hysteresis
1, 4
0 (fixed) 0
Logging
1
Off, On On
Output type
1
Off, Relay, Internal switch Off
Output No.
3
DO channel or internal switch number —
1 Appears when Level (1 to 4) is set to On.
2 Appears when Calculation of the range setting is set to Delta.
3 Appears when Output No. is not set to Off.
4 Appears when the type is set to high limit, low limit, difference high limit, or difference low limit.
On/Off
To use an alarm level (1 to 4), set this to On.
Type
Set the alarm type.
For details, see page 1-19 in section 1.2.2, “Setting Alarms”.
Alarms of channels set to difference calculation are set in the position shown in the figure
below.
Input value
Measured value on the reference channel
H, L, T, t R, r, h, l
Measured value
—
Value
Set the alarm value for the specified alarm type.
For details, see page 1-19 in section 1.2.2, “Setting Alarms”.
Hysteresis
Fixed to 0.
1.3ConfiguringDIChannels(Digitalinputchannels)