ATR421
Process controller/Programmer 15 cycles / 45 steps
Process controller 48x96mm (1/8 Din), single loop. It enables the programming of 15 cycles/programs which might include anything up to 45 steps/segments, all free selectable by the operator as rising/dwell/cooling steps. Distinctive feature is the extremely user-friendly programming, easy to handle even for the unskilled operator.
This programmer is specifically conceived for the automation of industrial kilns/environmental chambers/dryers and for the monitoring of thermal processes requiring the programming of cycles/profiles with control of process variables versus time. Special functions like Waiting (useful whenever the process has a delay on the programmed setpoint) and Cycle Recovery (after unexpected power failures) are included.
Universal analogue input, outputs selectable as command/alarm/auxiliary, analogue retransmission, serial communication RS485-ModbusRTU. All options are configurable by keyboard, not requiring any jumpers selection. Useful extended supply range 24...230 Volt ac/dc, galvanically isolated, also between input/outputs.
Programming tools for quick set-up (MEMORY-CARD, programming and monitoring software LABSOFTVIEW).
Ordering codes
ATR421-14ABC
1 Analogue inputs + 1 digital input + 4 Relays 8 A + 1 SSR 12Vdc
ATR421-12ABC-T
1 Analogue inputs+ 2 Relays 8 A + 1 SSR 12Vdc, 1 Output V/mA + RS485
Main features
Box
48x96 (front panel) x 123 mm
Power supply
24...230Vac/dc ±15% 50/60 Hz (selection 24 - 110...230Vac with jumper)
Display
4 digits 0,4" green + 4 digits 0,3" red
Operating conditions
Temperature 0-45 °C, humidity 35..95 RU%
Material
Box: Noryl UL94V1 self-extinguishing; Front panel: Silicon rubber V0
Sealing
IP65 (Front panel) , IP20 (Box and Terminal bloks)
Quick set-up options
Memory Card with / without battery, software LABSOFTVIEW
Inputs
1 configurable
Selection TC, K, J, S, R, PT100,PT500, PT1000, Ni100, PTC1K, NTC10K
(B 3435K), 0/4..20 mA, 0..10 V
1 digital input
1...9 cycle selection, Hold, Run, "Open door" lock (code -14ABC)
1 potentiometer input
Position signal by potentiometer for servo-valves / motorized-valves
Outputs
2...4 Relays
Relay 8 A - 250 Vac resistive charge
1 Analogue
Selection SSR 12Vdc - 4...20 mA or 0...10 Vdc for command or retransmission PV/SPV (code -12ABC-T)
Serial communication
RS485 Modbus RTU - Slave (code -12ABC-T)
Software features
Control algorithms
ON - OFF with hysteresis, P., P.I., P.I.D., P.D. time-proportioned
Tuning
manual or automatic
Data protection
Lock of control / alarm setpoint, Access to parameters by password
Alarm modes
Absolute / Threshold, band, High / Low deviation, timed auxiliary programmable for single steps
Gas mode
Open / Close logic for motorize valves, management of burners and fan, GID selection (management of burners during falling steps)
Waiting function
Special function to compensate differences SPV / PV in case of overloaded system
Cycle recovery
Resume the cycle after unexpected power failure
Setpoint controller mode
Regulation on a fixed setpoint (function might be enabled from general menu or during a cycle in progress)
Delayed start
Cycle start delayed by decremental timer
_last update 22/02/2012
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