Setting Alarms - YOKOGAWA GX20 User Manual

1.2 Configuring AI Channels (Analog (including DI) input) channels and AI (mA) channels
1.2.2

Setting Alarms

Path
Description
IM 04L51B01-01EN
GX/GP: MENU key > Browse tab > Setting > Setting menu AI channel settings or AI (mA)
channel settings > Alarm
Web application: Config. tab > AI channel settings or AI (mA) channel settings >
Channel range (display example: 0001-0010) > Alarm
Hardware configurator: AI channel settings or AI (mA) channel settings > Channel range
(display example: 0001-0010) > Alarm
Setup Item Selectable Range or Options
First-CH AI channel
Last-CH AI 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
On/Off Off, On
1
Type 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,
1, 7
Value Within the setting range
1, 4, 7
Hysteresis Numeric value
When Calculation is set to Off or Delta: 0 to 5% of
range setting
When math is set to Linear scaling or Square root:
0 to 100000
1
Logging Off, On
1
Output type Off, Relay
3
Output No. DO channel or internal switch
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 type is not set to Off.
4 Appears when Type is set to high limit, low limit, difference high limit, or difference low limit.
5 Appears when the range type of any of the DO channels is set to Alarm.
6 Appears when any of the internal switch type is set to Alarm.
7 The default values of AI (mA) channels are 0.00 for the Alarm value and 0.05 for Hysteresis.
On/Off
To use an alarm level (1 to 4), set this to On.
2
l: Difference low limit
5 6
, Internal switch
Default Value
—
—
Default Value
Off
H: High limit
2
0.0000
0.0005
On
Off
—
1-35
1
2
3
4
5
App
Index