Figure 4.18 Configuration Menu: Alarm Relays - Omega iServer MicroServer iTHX-SD User Manual

4.4.3.4 Alarm Relays (continued)
Alarm Relays
Address http://192.168.1.200
Readings
Date and Time
Overview
Probe
Network
Configuration
Relay 1
Management
Description
Security
Status
Recording
System
Type
Diagnostics
Log Out
Set Point High
Set Point Low
End Character 0x
Display
Record all alarm events on the flash memory
Status – The options are Disable, Low, High, and Low or High. The default is Disable.
If Low is selected Set Point Low must be given a value and once the sensor reading falls
below that value the relay will change status. If High is selected Set Point High must be
given a value and once the sensor reading rises above that value the relay will change
status. If Low or High is selected Set Point Low and High must be given values and relay
status will change once the sensor reading is outside that range. If Disable is selected
relays will be deactivated.
Type – The options are Unlatch and Latch. The default is Unlatch.
If Unlatch is selected and the relay is activated, once the sensor reading goes back
within the Set Point range, the alarm will be deactivated automatically.
If Latch is selected, once the sensor reading goes back within the Set Point range, the
relay will remain active until the user clears it by clicking on the Clear Latch button.
Set Point High – This is the field for the upper Set Point.
Set Point Low – This is the field for the lower Set Point.
End Character – This is the character (in Hex) that the iServer will send along with the
alarm status.
This applies to either Command and Continuous mode described on the Server page,
under the Configuration menu (Section 4.4.3.2).
The default is 0D meaning a Carriage Return character will be sent after the value.
Display – This would indicate whether to display the status of the alarm relays on the
Readings applet as well as the TCP Command and Continuous modes, and any other
related fields. The default is unchecked.
Record all alarm events on the flash memory – If checked, all the alarm events with
stamped date and time will be recorded on the flash memory card.
By pressing the Retrieve button the ASCII log file will be opened.
The default is unchecked.
Using the web server, the log file can be retrieved if the file size is 32 KB or
smaller. For a larger file size you must use a flash card reader to open the log
file. Refer to Section 4.10.
Web Link Setup
Server Sensors Alarm Relays
Probe
1
Relay 2
Temperature
Description
R1alarm1
Status
Low or High
Type
Latch
Clear Latch
Set Point High
101.0
Set Point Low
30.0
End Character 0x
0A
Display
Save Changes

Figure 4.18 Configuration Menu: Alarm Relays

2
Dew Point
R2alarm2
Low or High
Latch
Clear Latch
60.0
0.2
0F
Retrieve
Reset
28
Alarm status with
the associated set
point will be shown on
the chart applet as well.