Unitronics IO-AI4-AO2 Manual de usuario
Unitronics
1
I/O Expansion Modules and Adapters
Installation Guide
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EX-D16A3-RO8
IO-DI8-RO4
IO-D16A3-RO16
IO-AI4-AO2
EX-D16A3-TO16
IO-DI8-RO8
IO-D16A3-TO16
IO-DI8ACH
EX-A2X
IO-DI8-TO8
IO-DI16
IO-AI8
EX-RC1
IO-RO8
IO-AO6X
IO-LC1
IO-PT400
IO-RO16
IO-ATC8
IO-LC3
IO-PT4K
IO-TO16
IO-AI1X-AO3X
General Description
The products listed above may be used with compatible Unitronics PLCs.
Detailed Installation Guides containing the I/O wiring diagrams for these models, technical specifications,
and additional documentation are located in the Technical Library in the Unitronics website:
https://unitronicsplc.com/support-technical-library/
Alert Symbols and General Restrictions
When any of the following symbols appear, read the associated information carefully.
Symbol
Meaning
Description
Danger
The identified danger causes physical and property damage.
Warning
The identified danger could cause physical and property damage.
Caution
Caution
Use caution.
Before using this product, the user must read and understand this document.
All examples and diagrams 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 according to local and national standards and regulations.
Only qualified service personnel should open this device or carry out repairs.
Failure to comply with appropriate safety guidelines can cause severe injury or property
damage.
Do not attempt to use this device with parameters that exceed permissible levels.
To avoid damaging the system, do not connect/disconnect the device when power is on.
Environmental 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, in
accordance with the standards given in the product’s technical specification sheet.
Do not place in water or let water leak onto the unit.
Do not allow debris to fall inside the unit during installation.
Ventilation: 10mm space required between controller’s top/bottom edges & enclosure walls.
Install at maximum distance from high-voltage cables and power equipment.
I/O Expansion Modules and Adapters Installation Guide
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Unitronics
Mounting
Note that figures are for illustrative purposes only.
DIN-rail mounting - I/O Expansion Modules
Snap the device onto the DIN rail as shown below; the module will be squarely situated on the DIN rail.
80mm
(3.15")
93mm
(3.66")
44.5mm
(1.75")
Screw-Mounting
The figure below is 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")
I/O Expansion Modules and Adapters Installation Guide
Unitronics
3
DIN-rail mounting -XL I/O Expansion Modules
To mount the module on a 35mm DIN-rail, snap it squarely onto the DIN-rail, as shown below.
65mm (2.56")
135mm(5.31")
80mm (3.15")
154mm(6.06")
60mm
(2.36")
4.0mm(0.16")
Install the module in an upright position.
To ensure good ventilation, leave at least 50mm between the device and all other objects
above or below it.
Install at a maximum distance from high-voltage cables and power equipment.
Wiring
Do not touch live wires.
This equipment is designed to operate only in SELV/PELV/Class 2/Limited Power
environments.
All power supplies in the system must include double insulation. Power supply outputs
must be rated as SELV/PELV/Class 2/Limited Power.
Do not connect either the ‘Neutral or ‘Line’ signal of the 110/220VAC to device’s 0V pin.
All wiring activities should be performed while power is OFF.
Use over-current protection, such as a fuse or circuit breaker, to avoid excessive currents
into the power supply connection point.
Unused points should not be connected (unless otherwise specified). Ignoring this
directive may damage the device.
Double-check all wiring before turning on the power supply.
Caution
To avoid damaging the wire, do not exceed a maximum torque of:
- Controllers offering a terminal block with pitch of 5mm: 0.5 N·m (5 kgf·cm).
- Controllers offering a terminal block with pitch of 3.81mm f 0.2 N·m (2 kgf·cm).
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 Expansion Modules and Adapters Installation Guide
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Unitronics
Wiring Procedure
Use crimp terminals for wiring;
- Controllers offering a terminal block with pitch of 5mm: 26-12 AWG wire (0.13 mm2–3.31 mm2).
- Controllers offering a terminal block with pitch of 3.81mm: 26-16 AWG wire (0.13 mm2–1.31 mm2).
1. Strip the wire to a length of 7±0.5mm (0.270–0.300“).
2. Unscrew the terminal to its widest position before inserting a wire.
3. Insert the wire completely into the terminal to ensure a proper connection.
4. Tighten enough to keep the wire from pulling free.
Wiring Guidelines
Use separate wiring ducts for each of the following groups:
oGroup 1: Low voltage I/O and supply lines, communication lines.
oGroup 2: High voltage Lines, Low voltage noisy lines like motor driver outputs.
Separate these groups by at least 10cm (4"). If this is not possible, cross the ducts at a 90˚angle.
For proper system operation, all 0V points in the system should be connected to the system 0V
supply rail.
Product-specific documentation must be fully read and understood before performing any wiring.
Allow for voltage drop and noise interference with input lines used over an extended distance.
Use wire that is properly sized for the load.
Earthing the product
To maximize system performance, avoid electromagnetic interference as follows:
Use a metal cabinet.
Connect the 0V and functional ground points (if exist) directly to the earth ground of the system.
Use the shortest, less than 1m (3.3 ft.) and thickest, 2.08mm² (14AWG) min, wires possible.
UL Compliance
The following section is relevant to Unitronics’ products that are listed with the UL.
The following models: IO-AI4-AO2, IO-AO6X, IO-ATC8, IO-DI16, IO-DI16-L, IO-DI8-RO4,
IO-DI8-RO4-L, IO-DI8-TO8, IO-DI8-TO8-L, IO-RO16, IO-RO16-L, IO-RO8, IO-RO8L, IO-TO16,
EX-A2X are UL listed for Hazardous Locations.
The following models: EX-D16A3-RO8, EX-D16A3-RO8L, EX-D16A3-TO16, EX-D16A3-TO16L,
IO-AI1X-AO3X, IO-AI4-AO2, IO-AI4-AO2-B, IO-AI8, IO-AI8Y, IO-AO6X, IO-ATC8, IO-D16A3-RO16,
IO-D16A3-RO16L, IO-D16A3-TO16, IO-D16A3-TO16L, IO-DI16, IO-DI16-L, IO-DI8-RO4,
IO-DI8-RO4-L, IO-DI8-RO8, IO-DI8-RO8-L, IO-DI8-TO8, IO-DI8-TO8-L, IO-DI8ACH, IO-LC1, IO-LC3,
IO-PT4, IO-PT400, IO-PT4K, IO-RO16, IO-RO16-L, IO-RO8, IO-RO8L, IO-TO16, EX-A2X, EX-RC1 are
UL listed for Ordinary Location.
UL Ratings, Programmable Controllers for Use in Hazardous Locations,
Class I, Division 2, Groups A, B, C and D
These Release Notes relate to all Unitronics products that bear the UL symbols used to mark products
that have been approved for use in hazardous locations, Class I, Division 2, Groups A, B, C and D.
I/O Expansion Modules and Adapters Installation Guide
Unitronics
5
Caution
This equipment is suitable for use in Class I, Division 2, Groups A, B, C and D, or Non-
hazardous locations only.
Input and output wiring must be in accordance with Class I, Division 2 wiring methods and in
accordance with the authority having jurisdiction.
WARNING—Explosion Hazard—substitution of components may impair suitability for Class I,
Division 2.
WARNING –EXPLOSION HAZARD –Do not connect or disconnect equipment unless power
has been switched off or the area is known to be non-hazardous.
WARNING –Exposure to some chemicals may degrade the sealing properties of material
used in Relays.
This equipment must be installed using wiring methods as required for Class I, Division 2 as
per the NEC and/or CEC.
Relay Output Resistance Ratings
The products listed below contain relay outputs:
Input/Output expansion modules, Models: IO-DI8-RO4, IO-DI8-RO4-L, IO-RO8, IO-RO8L
When these specific products are used in hazardous locations, they are rated at 3A res.
Certification UL des automates programmables, pour une utilisation en
environnement à risques, Class I, Division 2, Groups A, B, C et D.
Cette note fait référence à tous les produits Unitronics portant le symbole UL - produits qui ont été
certifiés pour une utilisation dans des endroits dangereux, Classe I, Division 2, Groupes A, B, C et D.
Attention
Cet équipement est adapté pour une utilisation en Classe I, Division 2, Groupes A, B, C et
D, ou dans Non-dangereux endroits seulement.
Le câblage des entrées/sorties doit être en accord avec les méthodes
de câblage selon la Classe I, Division 2 et en accord avec l’autorité compétente.
AVERTISSEMENT: Risque d’Explosion – Le remplacement de certains composants rend
caduque la certification du produit selon la Classe I, Division 2.
AVERTISSEMENT - DANGER D'EXPLOSION - Ne connecter pas ou ne débranche pas
l'équipement sans avoir préalablement coupé l'alimentation électrique ou la zone est reconnue
pour être non dangereuse.
AVERTISSEMENT - L'exposition à certains produits chimiques peut dégrader les propriétés
des matériaux utilisés pour l'étanchéité dans les relais.
Cet équipement doit être installé utilisant des méthodes de câblage suivant la norme Class I,
Division 2 NEC et /ou CEC.
Certification de la résistance des sorties relais
Les produits énumérés ci-dessous contiennent des sorties relais:
Modules d’Extensions d'E/S, modèles: IO-DI8-RO4, IO-DI8-RO4-L, IO-RO8, IO-RO8L.
Lorsque ces produits spécifiques sont utilisés dans des endroits dangereux, ils supportent
un courant de 3A charge résistive.
I/O Expansion Modules and Adapters Installation Guide
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Unitronics
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, designs, materials and other specifications of its products, and to either permanently or
temporarily withdraw any of the forgoing from the market.
All information in this document is provided "as is" without warranty of any kind, either expressed or implied, including but not limited to any implied warranties of
merchantability, fitness for a particular purpose, or non-infringement. Unitronics assumes no responsibility for errors or omissions in the information presented in
this document. In no event shall Unitronics be liable for any special, incidental, indirect or consequential damages of any kind, or any damages whatsoever arising
out of or in connection with the use or performance of this information.
The tradenames, trademarks, logos and service marks presented in this document, including their design, are the property of Unitronics (1989) (R"G) Ltd. or other
third parties and you are not permitted to use them without the prior written consent of Unitronics or such third party as may own them
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