NORD TI 275271006 User Manual

IO-Extension

SK CU4-IOE

1.0

Erstausgabe / first issue

4912

Rck

TI 275271006

version

reason for change(s)

issue

name

document

speech

SK CU4-IOE

Part Number 275 271 006

IO Extension

NOTICE

Validity of this document

This document is only valid in conjunction with the operating manual supplied for the respective frequency inverter. It is essential that all the relevant information is available for the safe commissioning of this module and the frequency inverter.

1 x

Module

SK CU4-IOE

1 x

System bus cable kit

grey / black

1 x

24 VDC cable kit

brown / blue

2 x

Connection screws

M4 x 20 cross-head

Temperature range

-25°C … 50 °C

Vibration resistance

3M7

Temperature class

Class 3K3

Firmware version

V1.2 R0

Protection class

IP20

Name

Terminal

Data

Module power supply (load capacity)

40/44

24 VDC ± 20 %, reverse polarity protected (≤ 2 A)

Power consumption of module

40/44

≈ 110 mA

Digital input - operating range

C1 … C2

Low: 0 V … 5 V, High: 15 V … 30 V

Digital input - specific information

C1 … C2

Ri = 8,1 kΩ, input capacitance: 10nF Scan rate 1 ms, reaction time 1 ms

Analog input - reference voltage

10 VDC ±0,1 V, ≤ 20 mA (output)

Analog input - differential input version

13/14; 15/16

Resolution: 12 Bit, accuracy: 0.1 V

Analog output - load capacity

≤ 10 mA (Mode: 0/2 … 10 V) ≤ 20 mA (Mode: 0/4 … 20 mA, at 5 V)

Analog output - specific information

Resolution: 10 Bit, accuracy: 0.25 V

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Technical Information / Datasheet

Scope of supply

Field of use

IO extension for installation in a decentralised inverter SK 2xxE. This can be connected to the inverter via the system bus. Two digital inputs, 2 analog inputs and 1 analog output are available.

Technical Data

IO-Extension – SK CU4-IOE

Installation location

Inside the connection unit of a frequency inverter (SK 2xxE)

Fastening

With screw fasteners

Terminals

Screw terminals

1 terminal bar, with 16 connections, (5 mm spacing)

Cable cross section

0,14 … 2,5 mm

AWG 14-26

PE connection

Via inverter

Via screws if installed in inverter

SK CU4-IOE

SK 2xxE

VI 24V

GND/0V

SYS +

SYS -

24V

GND/0V

SYS + SYS -

Level

Contact

Designation

Description

System bus level,

digital signals

VI 24V

Supply voltage (+24 V - in)***

GND/0V

Reference potential (0 V / GND)***

DIN1

Digital input 1

DIN2

Digital input 2

SYS+

System bus data cable +**

SYS-

System bus data cable -**

GND/0V

Reference potential (0 V / GND)

Analog signals

VO 10V

10 V Reference voltage

AIN1+

Analog input 1, positive

AIN1-

Analog input 1, negative

AGND/0V

Analog Ground (internally connected to terminal 40)*

AOUT

Analog Out

VO 10V

10 V Reference voltage

AIN2+

Analog input 2, positive

AIN2-

Analog input 2, negative

AGND/0V

Analog Ground (internally connected to terminal 40)*

* AGND/0V is internally connected to the reference voltage of the module GND/0V via a special component. In order to prevent damage to the module or faults in the analog signals, the two contacts must not be bridged ** Use system bus cable kit (included in scope of delivery), black = SYS -, grey = SYS + *** Use 24VDC cable kit (included in scope of delivery), brown = 24V, blue = GND/0V

Installation

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Connections

Schematic circuit diagram of electrical connection

(Terminal designations in example: Frequency inverter SK 2xxE)

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Connection examples

The following connection examples are generally applicable for NORD IO modules. The number or type of the available IOs and their configuration on the terminal rail varies according to the module. The actual availability or the designation of the individual contacts should be obtained by reference to the description of the connections. The technical data (e.g. load capacity) must be taken into account.

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