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Klinkmann Unitronics EX-A2X, Mounting

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EX-A2X   

I / O   E x p a n s i o n   M o d u l e   Ad a p t e r ,   I s o l a t e d  

12/09

Notes:

1.

Example: 2 I/O-DI8-TO8 units consume a maximum of 140mA  of the 5VDC supplied by the EX-A2X.

Addressing I/Os on Expansion Modules

Inputs and outputs located on I/O expansion modules that are connected to an OPLC are assigned 
addresses that comprise a letter and a number.  The letter indicates whether the I/O is an input (I) or an 
output (O).  The number indicates the I/O’s location in the system.  This number relates to both the position 
of the expansion module in the system, and to the position of the I/O on that module. 
Expansion modules are numbered from 0-7 as shown in the figure below. 

0

1

2

3

4

5

6

7

Expansion module
identification number

Adapter

The formula below is used to assign addresses for I/O modules used in conjunction with the OPLC. 
X is the number representing a specific module’s location (0-7).  Y is the number of the input or output on 
that specific module (0-15).   
The number that represents the I/O’s location is equal to: 

32 + x • 16 + y 

Examples 

Input #3, located on expansion module #2 in the system, will be addressed as I 67,
67 = 32 + 2 • 16 + 3 
Output #4, located on expansion module #3 in the system, will be addressed as O 84,
84 = 32 + 3 • 16 + 4. 

EX90-DI8-RO8 is a stand-alone I/O module.  Even if it is the only module in the configuration, the EX90-DI8-
RO8 is always assigned the number 7. 
Its I/Os are addressed accordingly. 

Example 

Input #5, located on an EX90-DI8-RO8 connected to an OPLC will be addressed
as I 149, 149 = 32 + 7 • 16 + 5 

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Summary of Contents for Unitronics EX-A2X

Page 1: ... and regulations Only qualified service personnel should open this device or carry out repairs User safety and equipment protection guidelines This document is intended to aid trained and competent personnel in the installation of this equipment as defined by the European directives for machinery low voltage and EMC Only a technician or engineer trained in the local and national electrical standar...

Page 2: ...Considerations Do not install in areas with excessive or conductive dust corrosive or flammable gas moisture or rain excessive heat regular impact shocks or excessive vibration Leave a minimum of 10mm space for ventilation between the top and bottom edges of the device and the enclosure walls Do not place in water or let water leak onto the unit Do not allow debris to fall inside the unit during i...

Page 3: ...PLC to the EX A2X Use the communication cable to connect the module s PLC expansion port to the PLC Take care to connect the correct cable The connectors of this cable are housed in yellow insulation Note that one end is marked To PLC and the other To Adapter insert accordingly The module is supplied with a 1 meter cable part number EXL CAB100 Other cable lengths are also available Use only an ori...

Page 4: ...e turning on the power supply Do not connect the Neutral or Line signal of the 110 220VAC to the device s 0V pin In the event of voltage fluctuations or non conformity to voltage power supply specifications connect the device to a regulated power supply Double check all the wiring before turning on the power supply Wiring Procedures Use crimp terminals for wiring use 26 12AWG wire 0 13 mm 2 3 31 m...

Page 5: ...same power supply The EX A2X and the OPLC must be turned on and off simultaneously POWER 0V V EX A2X Technical Specifications I O module capacity Up to 8 I O modules can be connected to a single adapter Power supply 12VDC or 24VDC Permissible range 10 2 to 28 8VDC Max current consumption 650mA 12VDC 350mA 24VDC Typical power consumption 4W Current supply for I O modules 1A max from 5V see Note 1 G...

Page 6: ...utput on that specific module 0 15 The number that represents the I O s location is equal to 32 x 16 y Examples Input 3 located on expansion module 2 in the system will be addressed as I 67 67 32 2 16 3 Output 4 located on expansion module 3 in the system will be addressed as O 84 84 32 3 16 4 EX90 DI8 RO8 is a stand alone I O module Even if it is the only module in the configuration the EX90 DI8 ...

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