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IO-ATC8

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

12/03

Analog Inputs

Number of inputs

8 (single-ended) See Note 1.

Input range

0-10V, 0-20mA, 4-20mA. See Note 1.

Input type

Either Normal or Fast mode, according to the filter type selected in software
settings

Conversion method

Voltage to frequency

Normal mode

Resolution at 0-10V,
0-20mA

14-bit (16384 units)

Resolution at 4-20mA

3277 to16383 (13107 units)

Conversion time

100mSec minimum per input

Fast mode

Resolution at 0-10V,
0-20mA

12-bit (4096 units)

Resolution at 4-20mA

819 to 4095 (3277 units)

Conversion time

25mSec minimum per input

Input impedance

>400K

Ω

—voltage

500

Ω

—current

Isolation None
Absolute maximum rating

±15V—voltage
±30mA—current

Linearity error

0.04% max of full scale

Error limits

0.4% of input value

Status indicators

(OUT OF RANGE)

Red LEDs—Lit when the corresponding input is receiving current or voltage in
excess of the input range. See Note 5.

Environmental

IP20/NEMA1

Operating temperature

0

°

to 50

°

C (32 to 122° F)

Storage temperature

-20

°

to 60

°

C (-4 to 140° F)

Relative Humidity (RH)

5% to 95% (non-condensing)

Dimensions (WxHxD)

80mm x 93mm x 60mm (3.15 x 3.66 x 2.362”)

Weight

150g (5.3 oz)

Mounting

Either onto a 35mm DIN-rail or screw- mounted.

Notes:

1.

Each input may be set as either thermocouple, voltage (0-10V), or current (0-20mA, 4-20mA)
via wiring, jumper and software settings.

2.

The device can also measure voltage within the range of -5 to 56mV, at a resolution of 0.01mV.
The device can also measure raw value frequency at a resolution of 14-bits(16384).

3.

The input analog value represents the measured value as shown in the following examples:
- Thermocouple: a value of 262 is represented as 26.2ºC.
- mV: value of 262 is represented as 2.62mV.

4.

The value of a thermocouple may also indicate when the sensor is not connected to the input, or
when the analog value exceeds the permissible range. If such is the case, the value will be 32767.

5.

The voltage or current value of analog inputs can also indicate faults, as shown in the table below.

Value: 12-bit

(Fast mode)

Value: 14-bit

(Normal mode)

Input Value

Deviates:

-1 -1

Slightly

below

the input range.

4096 16384 Slightly

above

the input range.

32767 32767

Greatly

above or below

the input range.

10

Unitronics Industrial Automation

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Содержание IO-AI4-AO2

Страница 1: ...e intended to aid understanding and do not guarantee operation Unitronics accepts no responsibility for actual use of this product based on these examples Please dispose of this product in accordance with local and national standards and regulations Only qualified service personnel should open this device or carry out repairs User safety and equipment protection guidelines This document is intende...

Страница 2: ...ive 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 installation Mounting the Module DIN rail mounting Snap the device onto the DIN rail as shown below the module will be squar...

Страница 3: ...6 03 IO AI4 AO2 I O Expansion Module Unitronics Industrial Automation 3 4mm 5 8mm 0 228 85mm 3 346 80mm 3 15 68 4mm 2 693 93mm 3 66 4mm x2 0 16 0 16 ...

Страница 4: ...d pins should not be connected Ignoring this directive may damage the device Do not connect the Neutral or Line signal of the 110 220VAC to the device s 0V pin Double check all wiring before turning on the power supply Wiring Procedures Use crimp terminals for wiring use 26 12 AWG wire 0 13 mm 2 3 31 mm2 for all wiring purposes 1 Strip the wire to a length of 7 0 5mm 0 250 0 300 inches 2 Unscrew t...

Страница 5: ... connected to the same 0V signal The COM signals of each I O are internally connected to the module s 0V Analog Inputs Shields should be connected at the signal source Inputs may be wired to work with either current or voltage OUT OF RANGE SHORT CIRCUIT IO AI4 AO2 AI AO POWER V 0V I V COM AO0 I V COM AO1 I V COM AI3 I V COM AI2 I V COM AI1 I V COM AI0 Circuit protection device 0V V Power supply Vo...

Страница 6: ...e to the V terminal and the negative to the 0V terminal The analog 0V signal must be the same 0V used by the controller s power supply A non isolated power supply can be used provided that a 0V signal is connected to the chassis 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 specifica...

Страница 7: ... 4 Status indicators OUT OF RANGE Red LEDs Lit when the corresponding input is receiving current or voltage in excess of the input range See Note 2 Analog Outputs Number of outputs 2 single ended Output range 10V 0 20mA 4 20mA See Note 1 Resolution except at 4 20mA Resolution at 4 20mA 12 bit 4096 units sign 819 to 4095 3277 units Load impedance 1kΩ minimum voltage 500Ω maximum current Galvanic is...

Страница 8: ...pecifically indicated herein nor may it be reproduced or transmitted in any form or by any means electronic or mechanical including photocopying and or recording for any purpose without written permission from Unitronics The information appearing in this document is for general purposes only Unitronics makes no warranty of any kind with regard to the information appearing in this document includin...

Страница 9: ...se of this product in accordance with local and national standards 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 technicia...

Страница 10: ...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 installation Mounting the Module DIN rail mounting Snap the device onto th...

Страница 11: ...pter provides the interface between the OPLC and an expansion module To connect the I O module to the adapter or to another module Push the module to module connector into the port located on the right side of the device Note that there is a protective cap provided with the adapter This cap covers the port of the final I O module in the system To avoid damaging the system do not connect or disconn...

Страница 12: ...aximum torque of 0 5 N m 5 kgf m Do not use tin solder or any substance on stripped wire that might cause the wire strand to break Install at maximum distance from high voltage cables and power equipment I O Wiring General Input or output cables should not be run through the same multi core cable or share the same wire Allow for voltage drop and noise interference with input lines used over an ext...

Страница 13: ... a specific input first open the device by prying off its back using the blade of a flat bladed screwdriver The insertion points for the screwdriver are located on both sides of the module 1 Open the first side of the device by inserting the blade between the 2 plastic moldings as shown below then gently pushing up 2 Taking care not to damage the cable open the other side of the device by insertin...

Страница 14: ...w how to set a specific jumper to change the functionality of a specific input To open the device and access the jumpers refer to the instructions beginning on page 5 Caution Incompatible jumper settings and wiring may severely damage the device Jumper Voltage Current Input 0 2 A B Input 1 4 A B Input 2 6 A B Input 3 8 A B Input 4 10 A B Input 5 12 A B Input 6 14 A B Input 7 16 A B Default factory...

Страница 15: ...r input Input impedance 400KΩ voltage 500Ω current Isolation None Absolute maximum rating 15V voltage 30mA current Linearity error 0 04 max of full scale Error limits 0 4 of input value Status indicators OUT OF RANGE Red LEDs Lit when the corresponding input is receiving current or voltage in excess of the input range See Note 5 Environmental IP20 NEMA1 Operating temperature 0 to 50 C 32 to 122 F ...

Страница 16: ...ways 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 The information in this document reflects products at the date of printing Unitronics reserves the right subject to all applicable laws at any time at its sole discretion and without notice to discontinue or change the features desig...

Страница 17: ...sibility for actual use of this product based on these examples Please dispose of this product in accordance with local and national standards 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 b...

Страница 18: ...e 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 installation Mounting the Module DIN rail mounting Snap the device onto the DIN ra...

Страница 19: ...5 03 IO AO6X I O Expansion Module Unitronics Industrial Automation 3 4mm 5 8mm 0 228 85mm 3 346 80mm 3 15 68 4mm 2 693 93mm 3 66 4mm x2 0 16 0 16 ...

Страница 20: ...pins should not be connected Ignoring this directive may damage the device Do not connect the Neutral or Line signal of the 110 220VAC to the device s 0V pin Double check all wiring before turning on the power supply Wiring Procedures Use crimp terminals for wiring use 26 12 AWG wire 0 13 mm 2 3 31 mm2 for all wiring purposes 1 Strip the wire to a length of 7 0 5mm 0 250 0 300 inches 2 Unscrew the...

Страница 21: ...ither current or voltage Do not use current and voltage from the same source channel The outputs COM signals are internally shorted Voltage connection LOAD Current connection Circuit protection device 0V V Power supply LOAD Wiring the Analog Outputs Power Supply 1 Connect the positive cable to the V terminal and the negative to the 0V terminal A non isolated power supply can be used provided that ...

Страница 22: ...esolution at 4 20mA 12 bit 4096 units 819 to 4095 3277 units Load impedance 1kΩ minimum voltage 500Ω maximum current See Note 2 Conversion time 2 mSec synchronized to expansion communication Linearity error 0 1 Operational error limits 0 2 Analog Power Supply 24VDC Permissible range 20 4 to 28 8VDC Max current consumption 170mA 24VDC Environmental IP20 NEMA1 Operating temperature 0 to 50 C 32 to 1...

Страница 23: ...tification number Adapter The formula below is used to assign addresses for I O modules used in conjunction with the M90 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 address...

Страница 24: ...n this document including but not limited to implied warranties of merchantability and or fitness for a particular use or purpose Unitronics assumes no responsibility for the results direct and or indirect of any misuse of the information appearing in this document nor for any use of the Unitronics products referred to herein in any manner deviating from the recommendations made in this document U...

Страница 25: ...d on these examples Please dispose of this product in accordance with local and national standards 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 ...

Страница 26: ...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 installation Mounting the Module DIN rail mounting Snap the device onto the DIN rail as shown bel...

Страница 27: ...ng The figure below is not drawn to scale It may be used as a guide for screw mounting the module Mounting screw type either M3 or NC6 32 4mm 5 8mm 0 228 85mm 3 346 80mm 3 15 68 4mm 2 693 93mm 3 66 4mm x2 0 16 0 16 Unitronics Industrial Automation 3 ...

Страница 28: ...le check all wiring before turning on the power supply Wiring Procedures Use crimp terminals for wiring use 26 12 AWG wire 0 13 mm 2 3 31 mm 2 for all wiring purposes 1 Strip the wire to a length of 7 0 5mm 0 250 0 300 inches 2 Unscrew the terminal to its widest position before inserting a wire 3 Insert the wire completely into the terminal to ensure that a proper connection can be made 4 Tighten ...

Страница 29: ...se the appropriate wiring as shown below Open the device and set the jumpers according to the instructions beginning on page 6 The adapter and the COM signals of the analog inputs must be connected to the same 0V signal The COM signals of each channel are internally shorted When set to current voltage each 2 inputs share a common COM signal Unitronics Industrial Automation 5 ...

Страница 30: ...f a specific input first open the device by prying off its back using the blade of a flat bladed screwdriver The insertion points for the screwdriver are located on both sides of the module 1 Open the first side of the device by inserting the blade between the 2 plastic moldings as shown below then gently pushing up 2 Taking care not to damage the cable open the other side of the device by inserti...

Страница 31: ...pansion Module 3 Gently remove the top of the device as shown 4 The jumpers are shown at right Change the jumper settings as required in accordance with the tables shown on the next page Unitronics Industrial Automation 7 ...

Страница 32: ... instructions beginning on page 6 Caution Incompatible jumper settings and wiring may severely damage the device Jumper Thermocouple Voltage Current 1 B A A Input 0 2 B A B 3 B A A Input 1 4 B A B 5 B A A Input 2 6 B A B 7 B A A Input 3 8 B A B 9 B A A Input 4 10 B A B 11 B A A Input 5 12 B A B 13 B A A Input 6 14 B A B 15 B A A Input 7 16 B A B Default factory setting 8 Unitronics Industrial Auto...

Страница 33: ...tomatic Cold junction compensation error 1 5ºC 2 7ºF maximum Absolute maximum rating 0 6VDC Linearity error 0 04 maximum of full scale Error limit 0 4 of input value Warm up time Typically hour 1ºC 1 8ºF repeatability Status indicators OUT OF RANGE Red LEDs Lit when the corresponding input measures an analog value in excess of the input range See Note 4 Thermocouple input ranges Type Temperature r...

Страница 34: ... Relative Humidity RH 5 to 95 non condensing Dimensions WxHxD 80mm x 93mm x 60mm 3 15 x 3 66 x 2 362 Weight 150g 5 3 oz Mounting Either onto a 35mm DIN rail or screw mounted Notes 1 Each input may be set as either thermocouple voltage 0 10V or current 0 20mA 4 20mA via wiring jumper and software settings 2 The device can also measure voltage within the range of 5 to 56mV at a resolution of 0 01mV ...

Страница 35: ...ormula 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 lo...

Страница 36: ...in this document including but not limited to 0implied warranties of merchantability and or fitness for a particular use or purpose Unitronics assumes no responsibility for the results direct and or indirect of any misuse of the information appearing in this document nor for any use of the Unitronics products referred to herein in any manner deviating from the recommendations made in this document...

Страница 37: ...ms shown herein are intended to aid understanding and do not guarantee operation Unitronics accepts no responsibility for actual use of this product based on these examples Please dispose of this product in accordance with local and national standards and regulations Only qualified service personnel should open this device or carry out repairs User safety and equipment protection guidelines This d...

Страница 38: ...onductive 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 installation Mounting the Module DIN rail mounting Snap the...

Страница 39: ...s Industrial Automation 3 Screw Mounting The figure below is not drawn to scale It may be used as a guide for screw mounting the module Mounting screw type either M3 or NC6 32 4mm 5 8mm 0 228 85mm 3 346 80mm 3 15 68 4mm 2 693 93mm 3 66 4mm x2 0 16 0 16 ...

Страница 40: ...0 220VAC to the device s COM pins Double check all wiring before turning on the power supply Wiring Procedures Use crimp terminals for wiring use 26 12 AWG wire 0 13 mm 2 3 31 mm 2 for all wiring purposes 1 Strip the wire to a length of 7 0 5mm 0 250 0 300 inches 2 Unscrew the terminal to its widest position before inserting a wire 3 Insert the wire completely into the terminal to ensure that a pr...

Страница 41: ...ower supply specifications connect the module to a regulated power supply Earthing the module To maximize system performance avoid electromagnetic interference by earthing the module 1 Connect one end of a wire 14 AWG to the chassis signal connect the other end to the cabinet chassis This assumes that the cabinet is properly earthed If this is not the case do not earth the module Caution The wire ...

Страница 42: ...nputs Use 6 or 4 wire shielded cable 6 wire is recommended The cable shield should be connected ONLY to the Loadcell chassis The shield at the other end of the cable should be left unconnected Refer to the figures below for wiring guidelines 6 wire Loadcell wiring 4 wire Loadcell wiring ...

Страница 43: ...oadcell to ext pwr supply No Loadcell to bus Yes Loadcell to digital input No Loadcell to digital outputs No Input voltage ranges Signal SG SG Differential Gain Setting S W selectable Nominal Span 0 20mV to 20mV 1 80mV to 80mV Offset compensation S W selectable can shift span by approx 77 5mV to 77 5mV 2 5mV steps Common Mode 1 5Vmin to 3 5Vmax relative to the 0V terminal voltage Sense SN SN Diffe...

Страница 44: ...The Net and Gross values may also indicate connection problems See Note 3 for details Rounding The Net Gross Net Min and Net Max values may be rounded by 1 2 5 10 20 50 or 100 Effective resolution See Effective Resolution page 10 Status indicators OUT OF RANGE Red LEDs Lit when the corresponding Loadcell is not connected to the input or when the input analog value exceeds the permissible range See...

Страница 45: ...umption does not provide for output requirements The additional current requirement of the outputs must be added 2 The minimum settling times and settling time resolutions are 12 5ms for one active channel 675ms for two active channels and 1 012 5ms for three active channels 3 The following connection problems will cause the corresponding OUT OF RANGE LED to light up Disconnection of one of the si...

Страница 46: ... the input span that is used usually 10mV for 2mV V Loadcells or 15mV for 3mV V Loadcells the amount of uncompensated differential offset and the applied input noise The number of Loadcell inputs used per expansion module affects the sampling rate for each of them resulting in lower filter depth and effective resolution The filter settling time can be programmed separately for each Loadcell input ...

Страница 47: ...ule 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 add...

Страница 48: ...ng in this document including but not limited to 0implied warranties of merchantability and or fitness for a particular use or purpose Unitronics assumes no responsibility for the results direct and or indirect of any misuse of the information appearing in this document nor for any use of the Unitronics products referred to herein in any manner deviating from the recommendations made in this docum...

Страница 49: ...ct based on these examples Please dispose of this product in accordance with local and national standards 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 machine...

Страница 50: ...ons 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 installation...

Страница 51: ... Unitronics 3 Screw Mounting The figure below is not drawn to scale It may be used as a guide for screw mounting the module Mounting screw type either M3 or NC6 32 4mm 5 8mm 0 228 85mm 3 346 80mm 3 15 68 4mm 2 693 93mm 3 66 4mm x2 0 16 0 16 ...

Страница 52: ...g Do not touch live wires Unused pins should not be connected Ignoring this directive may damage the device Double check all wiring before turning on the power supply Wiring Procedures Use crimp terminals for wiring use 26 14 AWG wire 0 13 mm 2 3 31 mm2 for all wiring purposes 1 Strip the wire to a length of 7 0 5mm 0 250 0 300 inches 2 Unscrew the terminal to its widest position before inserting ...

Страница 53: ...ise interference with input lines used over an extended distance Use wire that is properly sized for the load Analog Inputs Shields should be connected at the signal source PT1000 NI1000 2 wire connection 4 wire connection RTD RTD 3 wire connection RTD RTD input types PT1000 NI1000 support a two wire connection because the high resistance 1000 ohm of the sensor element compensates for voltage drop...

Страница 54: ...50 to 172 C 58 to 341 F Isolation None Resolution 12 bit 4096 units Measurement resolution 0 1 C 0 1 F See Note 2 Conversion method Successive approximation Conversion time 40msec Input impedance 10MM minimum Auxiliary current PT100 NI100 NI120 1 9mA PT1000 NI1000 0 19mA Linearity error I O PT400 I O PT4K 0 3 C 0 6 F 0 05 0 4 C 0 8 F 0 06 Temperature accuracy 0 4 C 0 8 F Status indicators OUT OF R...

Страница 55: ...2 C 3 The temperature values can also indicate certain faults as shown in the following table Value Possible Cause 10000 1000 Input temperature is out of the permissible range under 50 C I signal is not connected Sensor is short circuited 10000 1000 Input temperature is out of the permissible range PT over 460 C NI over 232 C NI120 over 172 C Sensor is not connected to input I or V signals are not...

Страница 56: ...late directly into cost efficiency Unitronics supports a global network of distributors and sales representatives as well as a U S subsidiary For more information regarding Unitronics products contact your distributor Unitronics headquarters via email export unitronics com or visit the Unitronics website at http www unitronics com The information in this document reflects products at the date of p...

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