UAC-02RSC

UAC-02RSC
Uni-COM™ Modules
Installation Guide
UAC-01RS2 ,UAC-02RS2 ,UAC-02RSC
Uni-COM™ is a family of communication modules that are compatible with the UniStream™
control platform. This guide provides basic installation information for the UAC-01RS2,
UAC-02RS2 and UAC-02RSC modules.
Technical specifications may be downloaded from the Unitronics website.
The UniStream™ platform
comprises CPU controllers, HMI
panels, Communication modules
and local I/O modules
that snap together to form an
all-in-one Programmable Logic
Controller (PLC).
The maximum number of Uni-COM™ modules that can be connected to a single CPU
controller is limited. For details, please refer to the specification sheet of the UniStream™
CPU.
Before You Begin
Before installing the device, the installer must:
Read and understand this document.
Verify the Kit Contents.
Uni-COM™ modules may only be installed onto a UniStream™ HMI Panel; the Panel must
comprise a CPU-for-Panel, installed according to the CPU-for-Panel installation guide.
Alert Symbols and General Restrictions
When any of the following symbols appear, read the associated information carefully.
Symbol
Caution
Meaning
Description
Danger
The identified danger causes physical and property damage.
Warning
The identified danger could cause physical and property damage.
Caution
Use caution.
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.
This product should be installed only by qualified personnel.
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.
Do not connect/disconnect the device when power is on.
Unitronics
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UAC-01RS2, UAC-02RS2 , UAC-02RSC Installation Guide
Environmental Considerations
Ventilation: 10mm (0.4”) of space is required between the device top/bottom edges
and the enclosure’s walls.
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 and limitations 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.
Install at maximum distance from high-voltage cables and power equipment.
Kit Contents
1 Uni-COM™ module
1 RS485 terminal block (UAC-02RSC)
Uni-COM™ Diagram
UAC-01RS2, UAC-02RS2
UAC-02RSC
1
DIN-rail clips
Physically hold the module on the back of the panel.
2
Port 1
RS232 Port
3
IO/COM Bus-Left
Left-side Connector
4
Bus Connector Lock
Slide the Bus Connector Lock to the left, to electrically connect
the Uni-COM™ module to the CPU or to adjacent Uni-COM™
module.
5
IO/COM Bus-Right
Right-Side Connector, shipped covered.
Leave covered when not in use.
Bus Connector Cover
6
Functional Ground
Terminal
Connect to the system earth (on UAC-01RS2 and UAC-02RS2)
DIP switch
RS485 termination selection DIP switch (on UAC-02RSC)
7
Port 2
RS232 Port (UAC-02RS2); RS485 Port (UAC-02RSC).
8
Channel LEDs
Green LEDs
9
Status LED
Green LED
NOTE
10
2
Refer to the module's specification sheet for LED indications.
Module door
Shipped covered with protective tape to prevent the door from
being scratched. Remove tape during installation.
Unitronics
Uni-COM™
About the IO/COM Bus Connectors
The IO/COM Bus connectors provide the physical and electrical connection points between
modules. The right side connector is shipped covered by a protective cover, protecting the
connector from debris, damage, and ESD.
The IO/COM Bus - Left (#3 in diagram) can only be connected to either a CPU-for-Panel or
another Uni-COM™ module.
The IO/COM Bus - Right (#5 in diagram) can be connected to another Uni-COM™ module,
to an I/O module, or to the Base Unit of the Local Expansion Adapter.
Note
Uni-COM™ modules can only be installed on the back of the UniStream™ HMI
Panel.
Uni-COM™ modules must immediately follow the CPU-for-Panel. No Uni-I/O™
module may be installed between the CPU and a Uni-COM™ module.
If the Uni-COM™ module is located last in the configuration, and nothing is to be
connected to it, do not remove its Bus Connector Cover.
Uni-COM™ modules cannot be connected on a DIN rail via a Local Expansion
Adapter.
Installation
Turn off system power before connecting or disconnecting any module or device.
Use proper precautions to prevent Electro-Static Discharge (ESD).
Installing a Uni-COM™ Module onto a UniStream™ HMI Panel
NOTE
The DIN-rail type structure on the back of the panel provides the physical support
for the Uni-COM™ module.
1. Check the unit to which you will connect the Uni-COM™ module to verify that its Bus
Connector is not covered.
If the Uni-COM™ module is to be the last one in the configuration, do not remove the
cover of its IO/COM Bus-Right connector.
2. Open the door of the Uni-COM™
module and hold it as shown in the
accompanying figure.
3. Use the upper and lower guidetunnels (tongue & groove) to slide
the Uni-COM™ module into place.
4. Verify that the DIN-rail clips located
at the top and bottom of the UniCOM™ module have snapped onto
the DIN-rail.
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UAC-01RS2, UAC-02RS2 , UAC-02RSC Installation Guide
5. Slide the Bus Connector Lock all the way to
the left as shown in the accompanying figure.
6. If there is already a module located to its
right, complete the connection by sliding the
Bus Connector lock of the adjacent unit to the
left.
7. If the module is the last in the configuration,
leave the IO/COM Bus Connector covered.
Removing a Module
1. Turn off the system power.
2. Disconnect the connectors from the COM ports (#2,7 in the Uni-COM™ Diagram on
page 2).
3. Disconnect the Uni-COM™ module from the adjacent units: slide its Bus Connector Lock
to the right. If there is a unit located on its right, slide the lock of this module to the
right as well.
4. On the Uni-COM™ module, pull the top DIN-rail clip up and the bottom clip down.
5. Open the door of the Uni-COM™ and hold it with two fingers as shown in the figure on
page 3; then pull it carefully from its place.
Numbering Modules
You can number modules for reference purposes. A set of 20 stickers is provided with
every CPU-for-Panel; use these stickers to number the modules.
The set contains numbered and blank stickers
as shown in the figure to the left.
Place them on the modules as shown in the
figure to the right.
Wiring
All wiring activities should be performed while power is OFF.
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, use a maximum torque of 0.5 N·m (5 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.
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Unitronics
Uni-COM™
Wiring Procedure
Functional ground terminal (
) (UAC-01RS2 and UAC-02RS2)
Use a wire of minimum thickness of 14 AWG (2 mm2); terminate it with a ring or fork
crimp terminal, stud size #6.
Tighten the screw enough to make sure the ring/fork crimp terminal is not loose.
RS485 terminal block (UAC-02RSC)
Use crimp terminals for wiring; use 26-12 AWG wire (0.13 mm2 –3.31 mm2).
1.
Strip the wire to a length of 7±0.5mm (0.275±0.020 inches).
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
In order to ensure that the device will operate properly and to avoid electromagnetic
interference:
Use a metal cabinet. Make sure the cabinet and its doors are properly earthed.
UAC-01RS2 and UAC-02RS2:
Connect the functional ground terminal ( ) to the earth of the system (preferably to the
metal cabinet chassis).
Use the shortest and thickest wires possible: less than 1m (3.3’) in length, minimum
thickness 14 AWG (2 mm2).
UAC-02RSC:
Connect the functional ground terminal ( ) at the RS485 terminal block to the earth of
the system (preferably to the metal cabinet chassis).
Use the shortest and thickest wires possible: less than 1m (3.3’) in length, minimum
thickness 14 AWG (2 mm2).
Note that the UAC-02RSC must be earthed thru the RS485 terminal block even if only
the RS232 is in use.
NOTE
For detailed information, refer to the document System Wiring Guidelines, located in
the Technical Library in the Unitronics’ website.
RS232
Turn off power before making any communications connections.
Pin Number
Pin Name
Direction
1
DCD
In
Data Carrier Detect
2
RXD
In
Receive Data
3
TXD
Out
Transmit Data
4
-
-
Not connected (see note)
5
SG
Return
Signal Ground
6
-
-
Not connected (see note)
7
RTS
Out
Request To Send
8
CTS
In
Clear To Send
-
-
Not connected (see note)
9
NOTE
Description
Unused RS232 signals may be connected to these pins.
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UAC-01RS2, UAC-02RS2 , UAC-02RSC Installation Guide
RS485
Turn off power before making any communications connections.
Use the RS485 port to create a multi-drop network.
The UAC-02RSC is shipped with a 4 pin RS485 terminal block. This connector is marked
with a pin assignment that is identical to the corresponding marking on the UAC-02RSC.
RS485
Wiring
D+
Tx/Rx+ (B)
D-
Tx/Rx– (A)
SG
Signal Ground
Functional Ground
Use shielded twisted-pair cable, in compliance with EIA RS485 specifications.
When wiring each node, connect the cable shield to the functional ground point of the
RS485 terminal block.
NOTE
The functional ground point of the RS485 terminal block serves also as the module
earthing point. Refer to the Wiring Guidelines clause for more details.
RS485 Termination
Use the DIP switches shown in the Uni-COM
diagram on page 2 to set the RS485 termination
according to the accompanying table.
The device is shipped with both its DIP switches set
to ON; change settings if the device is not at one of
the ends of the RS485 network.
Position
DIP Switch
State
1
2
ON
ON
Terminated
(factory default)
OFF
OFF
Not Terminated
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
[DOC27008-B7] 12/13
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