0000138174 rev.1.1 7
7.3 READING OTHER PUMP STATUS INFORMATION
There are a number of other pieces of status information. They are summarised in the following table.
8 WARNINGS AND ALARMS
The pump will detect and provide alarms for the following reasons:
1. Low level chemical product. Displayed on LCD as “Level”
2. OFA alarm (time>70%). Displayed on LCD as “OFA Alarm”
3. OFA alarm (time=100%). Displayed on LCD as “OFA Stop”
4. Flow rate alarm. Displayed on LCD as "Flow"
5. System error. Displayed on LCD as “Parameter error”
6. Communication Watchdog alarm. Displayed on LCD as “Alarm WDG"
The pump makes the current status of each of these available, as well as providing a limited set of historical data.
8.1 READING CURRENT WARNING/ALARM STATUS
Each of these is also accessible in input register 0x01.
Indicates an alarm stsuts.
Indicates Rx (ORP)OFA alarm.
Indicates the low level alarm.
Indicates the flow alarm.
Indicates the communication watchdog alarm.
8.2 READING HISTORICAL ALARM DATA
When a warning or fault happens, this event will be recorded in historical alarms. In some cases when the situation still
allows the pump to run. In some situations, the pump will stop and gives a fault.
It is possible to check which alarms have been activated since the last alarm reset.
Each of these is also accessible in holding register 0x20
Indicates an alarm status.
Indicates Rx (ORP)OFA alarm.
Indicates the low level alarm.
Indicates the flow alarm.
Indicates the communication watchdog alarm.
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