Advanced refrigeration controller, 4 inputs and 4 outputs
Process inputs:
up to 4 temperature probe inputs:
- PTC KTY81-121 (990Ω @ 25°C)
- NTC 103AT-2 (10KΩ @ 25°C)
- RTD : PT1000
Overall accuracy: ± 0,5 % fs + 1 digit
Up to 3 digital inputs
Keyboard:
- Mechanical:
- Sensitive touch
4 multifunction keys
Process outputs:
Up to 4 digital outputs
OUT1
- Relay SPST-NO 16A-AC1, 6A-AC3 250 VAC, 1 HP 250 VAC, 1/2HP 125 VAC
OUT2
- Relay SPDT 8A-AC1, 3A-AC3 250 VAC,1/2 HP 250 VAC, 1/3HP 125 VAC
OUT3, OUT4
- Relay SPST-NO 5A-AC1, 2A-AC3 250 VAC, 1/8 HP 250 VAC, 1/10HP 125 VAC
(Note 2)
- Internal buzzer
Power supply:
- 12... 24 VAC/VDC, 100... 240 VAC ± 10% (50/60 Hz)
Functions:
- Stand-by mode
- ON/OFF control
OPERATING MODES:
* "NORMAL"
* "ECONOMICAL"
* "TURBO"
- Start-up delay
- Real Time Clock for up to 98 weekly events
- Compressor protection timer
Defrost:
Defrost start/stop:
- Manual
- Time intervals
- At set hours with internal RTC
- Temperature driven
Defrost methods:
- By compressor stop
- By electrical heater
- By hot gas
- By cycle reverse
Evaporator Fan Control
Alarms:
HACCP FUNCTION (ALARM RECORDING)
Up to 4 different kind of configurable alarms:
- Probe errors
- Temperature thresholds: absolute or relative
- External alarm
- Door alarm
Communication and programming:
Communication on TTL port to:
- Universal programming key
- Remote display
- RS 485 serial interface adapter A30
RS 485 port (optional) with ModBus RTU and J-bus (slave) protocols
Programming/configuration tools:
- Easy to use front interface for configuration
- Configuration software available for PC
Installation:
Mounting method: panel mount
Case dimensions: 78 x 35 mm, depth 75.5 mm
Connections:
Signals connection
2 terminals blocks, 12 poles 2.5 mm² screw (Extractable as option)
Display and indicators:
1 display 3 digits, h 15.5 mm red or blue colour
7 indicating LEDs
Connectable to:
- Programming key A01
for PC connection, backup and other functions
Notes
1) The third and fourth probe inputs may be used as Free voltage digital inputs
2) Out 1 and Out2 are always present and maximum allowed current is 12 A Max.
for extractable terminal block model.
File no. E206847
Ref. UL/CSA 60730-1-2-9