Danfoss CSTFR1 Data sheet

Data Sheet

Programmable controller, 6 relays Type CSTFR1

Electronic controller suitable for all HVAC/R software application needs.

CSTFR1 is an electronic programmable controller especially dedicated to refrigeration market and that allows full multiplexed cabinet management. Thanks to the software customisation possibility, it can be used in several types of application. It’s also available with optoinsulated Modbus RS485 serial communication interface.

Features:

• 5 analog and 4 digital inputs

• 1 analog and 5 digital outputs

• Insulated power supply 110 / 230 V AC, 50/60 Hz

• Remote access to data through CANbus connection for additional display (LCD available) and keyboard

• Modbus RS485 opto-insulated serial interface

• Available only without display

• Dimensions 8 DIN modules

AI232186439515en-000601

Features

Description

Power supply

85 – 265 V AC, 50/60 Hz. Maximum power consumption: 6 V A

Insulation between power supply and the extra-low voltage: reinforced

Plastic housing

DIN rail mounting complying with EN 60715

Self extinguishing V0 according to IEC 60695-11-10 and glowing / hot wire test at 960 °C according to IEC 60695-2-12

Ball test

125 °C according to IEC 60730-1. Leakage current: ≥ 250 V according to IEC 60112

Operating conditions

CE: -20T60 / UL: 0T55, 90% RH non-condensing

Storage conditions

-30T80, 90% RH non-condensing

Integration

In Class I and / or II appliances

Index of protection

IP40 only on the front cover

Period of electric stress across insulating parts

Long Resistance to heat and re

Category D

Immunity against voltage surges

Category II

Software class and structure

Class A

Type

Num

Specications

NTC

AI1, AI2, AI3, AI5

NTC temperature probes, 10 kΩ at 25 °C

NTC 0 / 5 V 4 / 20 mA

AI4

Pressure transducer with 4 / 20 mA or 0 / 5 V output or NTC temperature probe, default 10 kΩ at 25 °C The input type is selectable via software

• 12 V+ power supply for 4 / 20 mA transducers: 12 V DC, 120 mA max

• 5 V+ power supply for 0 / 5 V transducers: 5 V DC, 100 mA max

Accuracy of measure: 3% f.s. - resolution: ±50 μA

Type

Num

Specications

Voltage free contacts

DI1, DI2, DI3, DI4

Current consumption: 5 mA

Type

Num

Specications

PWM PPM

Analog outputs selectable via software between:

• pulsing output, synchronous with the line, at modulation of impulse position (PPM) or modulation of impulse width (PWM)

• pulsing output, at modulation of impulse width (PWM) with range 20 Hz – 1 KHz:

◦ open circuit voltage: 5 V ◦ minimum load: 1 kΩ

Programmable controller, 6 relays, type CSTFR1

Product specication

General features

Table 1: General features

Input/Output

Table 2: Analog inputs

Table 3: Digital inputs

Table 4: Analog outputs

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