ABB AX410 User Manual page 73

Single and Dual Input Analyzers for Low Level Conductivity
AX410, AX411, AX413, AX416, AX418, AX450, AX455 & AX456
Display
Type
Dual 5-digit, 7-segment backlit LCD
Information
16-character, single line dot-matrix
Energy-saving function
Backlit LCD configurable as ON or Auto-Off after 60s
Logbook*
Electronic record of major process events and calibration data
Real-time clock*
Records time for logbook and auto-manual functions
*Available if option board is fitted.
Relay Outputs - On/Off
Number of relays
Three supplied as standard or five with option board fitted
Number of set points
Three supplied as standard or five with option board fitted
Set point adjustment
Configurable as normal or failsafe high/low or diagnostic alert
Hysteresis of reading
Programmable 0 to 5% in 0.1% increments
Delay
Programmable 0 to 60s in 1s intervals
Relay contacts
Single-pole changeover
Rating 5A, 115/230V AC, 5A DC
Insulation
2kV RMS contacts to earth/ground
IM/AX4CO Issue 11
Analog Outputs
Number of current outputs (fully isolated)
Two supplied as standard or four with option board fitted
Output range
0 to 10mA, 0 to 20mA or 4 to 20mA
Analog output programmable to any value between
0 and 22mA to indicate system failure
Accuracy
±0.25% FSD, ±0.5% of reading (whichever is the greater)
Resolution
0.1% at 10mA 0.05% at 20mA
Maximum load resistance
750Ω at 20mA
Configuration
Can be assigned to either measured variable or either sample
temperature
Digital Communications
Communications
Profibus DP (with option board fitted)
Control Function - AX410 Only
Controller Type
P, PI, PID (configurable)
Control Outputs
Analog
Current output control (0 to 100%)
Time proportioning cycle time
1.0 to 300.0s, programmable in increments of 0.1s
Pulse frequency
1 to 120 pulses per minute, programmable in increments of
1 pulse per minute
Controller action
Direct or reverse
Proportional band
0.1 to 999.9%, programmable in increments of 0.1%
Integral action time (Integral reset)
1 to 7200s, programmable in increments of 1s (0 = Off)
Derivative
0.1 to 999.9s in increments of 0.1s -
only available for single set point control
Auto/Manual
User-programmable
9 SPECIFICATION
71