Unitronics Vision V120 Manuale utente
General Description
The products listed above are micro-PLC+HMIs, rugged programmable logic controllers that comprise
built-in operating panels.
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.
Vision V120™, M91™PLC
User Guide
V120-22-R2C
M91-2-R2C
1
Installation Guide
Mounting
Note that figures are for illustrative purposes only.
Dimensions
Model
Cut-out
View area
V120
92x92 mm (3.622”x3.622”)
57.5x30.5mm (2.26"x1.2")
M91
92x92 mm (3.622”x3.622”)
62x15.7mm (2.44"x0.61")
Panel Mounting
Before you begin, note that the mounting panel cannot be more than 5 mm thick.
1. Make a panel cut-out of the appropriate size:
2. Slide the controller into the cut-out, ensuring that the rubber seal is in place.
3. Push the mounting brackets into their slots on the sides of the panel as shown in the figure below.
4. Tighten the bracket’s screws against the panel. Hold the bracket securely against the unit while
tightening the screw.
5. When properly mounted, the controller is squarely situated in the panel cut-out as shown in the
accompanying figures.
2
User Guide
DIN-rail Mounting
1. Snap the controller onto the DIN rail as
shown in the figure to the right.
2. When properly mounted, the controller is
squarely situated on the DIN-rail as
shown in the figure to the right.
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.
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).
3
Installation Guide
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: V120-22-T1, V120-22-T2C, V120-22-UA2, V120-22-UN2, M91-2-R1,
M91-2-R2C, M91-2-R6, M91-2-R6C, M91-2-T1, M91-2-T2C, M91-2-UA2, M91-2-UN2
are UL listed for Hazardous Locations.
The following models: V120-22-R1, V120-22-R2C, V120-22-R34, V120-22-R6, V120-22-R6C,
V120-22-RA22, V120-22-T1, V120-22-T2C, V120-22-T38, V120-22-UA2, V120-22-UN2, M91-2-FL1,
M91-2-PZ1, M91-2-R1, M91-2-R2, M91-2-R2C, M91-2-R34, M91-2-R6, M91-2-R6C, M91-2-RA22,
M91-2-T1, M91-2-T2C, M91-2-T38, M91-2-TC2, M91-2-UA2, M91-2-UN2, M91-2-ZK, M91-T4-FL1,
M91-T4-PZ1, M91-T4-R1, M91-T4-R2, M91-T4-R2C, M91-T4-R34, M91-T4-R6, M91-T4-R6C, M91-T4-
RA22, M91-T4-T1, M91-T4-T2C, M91-T4-T38, M91-T4-TC2, M91-T4-UA2, M91-T4-UN2, M91-T4-ZK
are UL listed for Ordinary Location.
For models from series M91, that include “T4” in the Model name, Suitable for mounting on the flat
surface of Type 4X enclosure.
For examples: M91-T4-R6
UL Ordinary Location
In order to meet the UL ordinary location standard, panel-mount this device on the flat surface
of Type 1 or 4 X enclosures
4
User Guide
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.
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.
Panel-Mounting
For programmable controllers that can be mounted also on panel, in order to meet the UL Haz Loc
standard, panel-mount this device on the flat surface of Type 1 or Type 4X enclosures.
Relay Output Resistance Ratings
The products listed below contain relay outputs:
Programmable controllers, Models: M91-2-R1, M91-2-R2C,M91-2-R6C, M91-2-R6
▪When these specific products are used in hazardous locations, they are rated at 3A res.
▪when these specific products are used in non-hazardous environmental conditions, they are rated
at 5A res, as given in the product’s specifications.
Temperature Ranges
Programmable Logic Controllers, Models, M91-2-R1, M91-2-R2C, M91-2-R6C.
▪When these specific products are used in hazardous locations, they may be used only within a
temperature range of 0-40ºC (32- 104ºF).
▪When these specific products are used in non-hazardous environmental conditions, they function
within the range of 0-50ºC (32- 122ºF) given in the product’s specifications.
Removing / Replacing the battery
When a product has been installed with a battery, do not remove or replace the battery unless the
power has been switched off, or the area is known to be non-hazardous.
Please note that it is recommended to back up all data retained in RAM, in order to avoid losing data
when changing the battery while the power is switched off. Date and time information will also need to
be reset after the procedure.
UL des zones ordinaires:
Pour respecter la norme UL des zones ordinaires, monter l'appareil sur une surface plane de type de
protection 1 ou 4X
5
Installation Guide
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.
Montage de l'écran:
Pour les automates programmables qui peuvent aussi être monté sur l'écran,
pour pouvoir être au standard UL, l'écran doit être monté dans un coffret avec une surface plane de
type 1 ou de type 4X.
Certification de la résistance des sorties relais
Les produits énumérés ci-dessous contiennent des sorties relais:
▪Automates programmables, modèles : M91-2-R1, M91-2-R6C, M91-2-R6, M91-2-R2C
▪Lorsque ces produits spécifiques sont utilisés dans des endroits dangereux, ils supportent
un courant de 3A charge résistive.
▪Lorsque ces produits spécifiques sont utilisés dans un environnement non dangereux, ils sont évalués
à 5A res, comme indiqué dans les specifications du produit Plages de temperatures.
Plages de température
Les Automates programmables, modèles: M91-2-R1, M91-2-R2C, M91-2-R6C.
▪Dans un environnement dangereux, ils peuvent être seulement utilisés dans une plage
de température allant de 0 et 40° C (32- 104ºF).
▪Dans un environnement non dangereux, ils peuvent être utilisés dans une plage de température allant
de 0 et 50º C (32- 122ºF).
Retrait / Remplacement de la batterie
Lorsqu'un produit a été installé avec une batterie, retirez et remplacez la batterie seulement si
l’alimentation est éteinte ou si l’environnement n’est pas dangereux.
Veuillez noter qu'il est recommandé de sauvegarder toutes les données conservées dans la RAM, afin
d'éviter de perdre des données lors du changement de la batterie lorsque l'alimentation est coupée. Les
informations sur la date et l'heure devront également être réinitialisées après la procedure.
6
User Guide
7
Installation Guide
8
User Guide
9
Installation Guide
10
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