Digital temperature controller TLB55

with LCD displayprogrammableprocess

Digital controller for refrigerating units - 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 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