Hydronix Hydro-Control VI Installation Manual page 84

RS232 Interface
If nn = 2, 4 tab delimited integers will be sent representing the current readings for the 2
analogue inputs and 2 analogue outputs. 4 tab delimited 0's will be sent if no Expansion Board
is present.
Alarm Status
3.8
It is possible to find out what type of alarm is currently active this can be achieved by sending
the command below
• >A1
This will return an integer value based on the type of alarm. Below is a list of integer values for
the alarms
• 0 – No alarm
• 1 – Cement in fault
• 2 – Water meter fault
• 3 – Leaking water valve
• 4 – No water required
5 – Too much water calculated
•
• 6 – Pre-wet target no reached (auto-mode)
• 7 – Mix too wet
• 8 – Mix too dry
• 9 – Water limit exceeded
• 10 – Maximum dry mix time reached
• 11 – Maximum wet mix time reached
• 12 – Sensor fault
• 13 – Mixer blades worn
• 14 – Waiting for water tank to fill
• 15 – Over temp
• 16 – Fan stopped
It is also possible to accept all alarms. This can be done using the command
• >A2RS232 Commands HC04 Format
On the second system page the RS232 mode can be set to HC04. This will allow the unit to
operate using the Hydro-Control IV communications protocol. Refer to HD044 for a list of the
commands used. This functionality is only for backwards compatibility and should not be used
for newly designed systems
84 Hydro-Control VI Installation Guide HD0455 Rev 1.9.0
Chapter 6