TLB55 Digital controller for refrigerating units

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Features

  • Panel mount 135 x 97 mm
  • 2 temperature probe inputs
  • Up to 4 relay outputs
  • Internal buzzer for alarm indication
  • Mechanical (external) or "Sensitive Touch" keyboard
  • Several defrost activation and defrost methods
  • 1 display, 2 digits, h 54 mm, red colour
 
Specifications

Process inputs:

2 temperature probe inputs

- PTC KTY81-121 (990 Ω @ 25 °C)
- NTC 103AT-2 (10KΩ @ 25 °C)
Measuring ranges:
- PTC: -50...99 °C / -58 ... 99 °F
- NTC: -50...99 °C / -58...99 °F

2 digital inputs

- Free Voltage

Keyboard

Mechanical (external)
"Sensitive Touch"
4 multifunction keys

Process outputs:

Up to 4 on BSLB4 slave module
- Internal buzzer for alarm indication

Power supply:

- 100...240 VAC ±10%

Functions

- Stand-By mode
- ON/OFF control
- Start-up delay
- Compressor protection timer

Defrost

Defrost start/stop:
- Time based
- Temperature driven
Defrost methods:
- By compressor stop
- By electrical heater
- By hot gas
- By cycle reverse
Evaporator Fan Control

Alarms

Up to 4 different kind of configurable alarms:
- Probe errors
- Temperature thresholds: (absolute or relative)
- External alarm
- Door alarm
- Power fail alarm
Main voltage failure alarm (power fail alarm) with outputs disable (optional)

Communication and programming:

Interfaces

Communication on TTL port to: 
- Universal programming key
- Remote display
- Remote programming keyboard TLBTA (optional)
- Connector to Msalve module

Installation

Mounting method: panel mount
Case dimensions: 135 x 97 mm, depth 22.5 mm
See BSLB4 for Slave module dimensions

Connections

Connection to slave: RJ45 and 3 m max. long phone cable
Signals connection
Display(inputs): Extractable mini-connectors
- IP40 front frame protection, with gasket

Display and indicators

1 display, 2 digits, h 54 mm, red colour
3 indicating LEDs

Connectable to:

- Remote programming keyboard TLBTA
BSLB4 slave power and relay output module

Used for:

- Refrigeration

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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