Despatch Protocol 3 Modbus Communications - Manual (Page 24)

A BOUT T HIS M ANUAL Modbus Programming Manual
24 Version 2
Copyright © 2012 by Despatch Industries.
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2.5. Alarm Parameters
2.5.1. Alarm 1
Parameter Name Modbus
Address
(Dec) Modbus
Address
(Hex) Access
R/W Notes
Alarm Type 6144 0x1800 R/W 0 = High Alarm
1 = Low Alarm
2 = Deviation Alarm
3 = Band Alarm
4 = Loop Alarm
5 = Sensor Break Alarm
Alarm Value 6145 0x1801 R/W Limited by the input range maximum and minimum
for Alarm types 0 and 1. Limited by the span of the
input range for alarm types 2 and 3. Not used for
alarms 4 and 5.
Alarm Hysteresis 6146 0x1802 R/W Limited by the span of the input range
Alarm inhibit 6147 0x1803 R/W 0 = Disabled
1 = Enabled
Alarm status 6148 0x1804 R 0 = Inactive
1 = Active
Alarm inhibit
status 6149 0x1805 R 0 = Not inhibited
1 = Inhibited
Rate Minimum
Time Alarm
Value 6150 0x1806 R/W
2.5.2. Alarm 2
Parameter Name Modbus
Address
(Dec) Modbus
Address
(Hex) Access
R/W Notes
Alarm Type 6160 0x1810 R/W 0 = High Alarm
1 = Low Alarm
2 = Deviation Alarm
3 = Band Alarm
4 = Loop Alarm
5 = Sensor Break Alarm
Alarm Value 6161 0x1811 R/W Limited by the input range maximum and minimum
for Alarm types 0 and 1. Limited by the span of the
input range for alarm types 2 and 3. Not used for
alarms 4 and 5.
Alarm Hysteresis 6162 0x1812 R/W Limited by the span of the input range
Alarm inhibit 6163 0x1813 R/W 0 = Disabled
1 = Enabled
Alarm status 6164 0x1814 R 0 = Inactive
1 = Active