ABB AX400 Series User Manual

Single and dual input analyzers for pH/Redox (ORP)
AX416, AX436, AX460, AX466 & AX468 5 Programming
IM/AX4PH Rev. P 35
Alarm 1 Failsafe
Select
Yes to enable failsafe action, otherwise select No.
See also Fig. 5.2 to Fig. 5.6 (page 37).
Alarm 1 Action
Select the alarm action required,
High or Low.
See also Fig. 5.2 to Fig. 5.6 (page 37).
Alarm 1 Set Point
The Alarm 1 Set Point can be set within the following ranges:
pH
mV
Deg.C
Deg.F
A-B
–
–
–
–
–
–2.00 to 16.00 pH
–1200 to 1200 mV
–10.0 to 150.0
–14.0 to 302.0
0.00 to 14.00 pH
Set to the value required.
Alarm 1 Hysteresis
A differential set point can be defined between 0 and 5 % of the alarm set point value.
Set the required hysteresis in 0.1 % increments.
See also Fig. 5.2 to Fig. 5.6 (page 37).
Alarm 1 Delay
If an alarm condition occurs, the activation of the relays and LEDs can be delayed for a
specified time period. If the alarm clears within the period, the alarm is not activated.
Set the required delay, in the range 0 to 60 seconds in 1 second increments.
See also Fig. 5.2 to Fig. 5.6 (page 37).
Alarms 2 and 3 configuration (and Alarms 4 and 5 if option board fitted and analog
features enabled – see Section 7.3, page 57) is identical to Alarm 1 configuration.
See Section 5.6, page 38.
A1: Action
High
Low
A1: Setpoint
A1: Hysteresis
0.0
%
A1: Delay
0
Secs
-----
A1: Failsafe
Yes
No
-----
CONFIG. OUTPUTS
Config. Alarm 2
Config. Alarm 1
A-B
mV
Deg.C
Deg.F
pH
100.0

ABB AX400 Series Specifications

General

Display	LCD with backlight
Output	4 to 20 mA, HART
Process connection	Flanged
Lining material	PTFE, PFA
Electrode material	Stainless steel, titanium
Communication	HART