TLY26 Digital controller for refrigerating units

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Features

  • Panel mount refrigeration controller 78 x 35 mm
  • Up to 2 Configurable probe inputs
  • 1 Digital input
  • 4 relay outputs
  • Several defrost activation and defrost methods
  • RTC for defrost activation
  • RS 485 ModBus RTU slave serial port(optional)
  • Separate connection to remote display
  • 1 display, 4 digits, 12 mm
    • Red or blue colour
 
Specifications

Process inputs:

2 temperature probe inputs

- PTC KTY81-121 (990 Ω @ 25 °C)
- NTC 103AT-2 (10KΩ @ 25 °C)
Overall accuracy: ± 0.5 % fs + 1 digit

1 digital input

- Free Voltage

Keyboard

Mechanical keyboard:
4 multifunction keys

Process outputs:

4 digital outputs

OUT1
- Relay SPST-NO 16A-AC1 6A-AC3 250 VAC
OUT2....OUT4
- Relay SPST-NO 8A-AC1, 3A-AC3 250 VAC

Power supply:

- 12 VAC/VDC± 10%

Functions:

- Stand-by mode
- ON/OFF control
- Start-up delay
- Real Time Clock for defrost activation(optional)
- Compressor protection timer

Defrost

Defrost start/stop:
- Manual
- Time intervals
- At set hours with internal RTC
Defrost methods:
- By compressor stop
- By electrical heater
- By hot gas
- By cycle reverse
Evaporator Fan Control

Alarms

Up to 3 different kind of configurable alarms:
- Probe errors
- Temperature thresholds: (absolute or relative)
- External alarm
- Door alarm

Communication and programming:

Interfaces

Communication on TTL port to: 
- Universal programming key
- Remote display

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 64 mm

Connections

Signals connection
- 2,5 mm² screw terminals block

Display and indicators

1 display 4 digits, h 12 mm
      Red or blue colour
3 LED Bargraph + 5 indicating LEDs

Connectable to:

- Programming key
    for PC connection, backup and other functions

- Remote display TVRY

Contact Us

“Industrial Technical Services is a single source Instrumentation and Automation company. We provide certified calibrations, PLC programming, custom controls and Panels”.

 

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