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Unitronics 

 

 

UniStream

®

 

PLC

 

Installation Guide: 
USC-B3-R20, USC-B3-T20 

 

 
 
 
 
 

SCAN  

to download 

 

This guide provides basic installation information for specific UniStream

®

 PLC models with 

built-in I/O. Technical specifications may be downloaded from the Unitronics website. 
General Features 
Unitronics’ UniStream

®

 PLCs are DIN-rail mounted Programmable Logic Controllers (PLCs) 

with a built-in I/O configuration.  
The series is available in three versions: Pro, Standard, and Basic.  
Note that a model number that includes: 

 

B10 refers to Pro version (e.g. USC-B10-T24) 

 

B5 refers to Standard version (e.g. USC-B5-RA28) 

 

B3 refers to Basic version (e.g. only for USC-B3-T20) 

Page 2 contains a comparison table detailing the features offered by the different models. 

Exact features are detailed in the product specification sheets. 

Power  

Features 

 

Built-in Trends and Gauges, auto-tuned PID, data tables, data 

sampling, and Recipes 

 

UniApps™: Access & edit data, monitor, troubleshoot & debug and 

more  

 

Security: Multi-level password protection 

 

Alarms: Built-in system, ANSI/ISA standards 

COM  

Options 

 

Built-in ports: 2 Ethernet, 1 USB host, 1 USB device port 

 

Add-on ports (UAC-CB), available by separate order: 

1 CANbus port may be added to all models  

RS232/485 ports: according to model technical specifications 

COM  

Protocols 

 

Fieldbus: CANopen, CAN Layer2, MODBUS, EtherNetIP and more. 

Implement any serial RS232/485, TCP/IP, or CANbus third-party 

protocols via Message Composer 

 

Advanced: SNMP Agent/Trap, e-mail, SMS, modems, GPRS/GSM, 

FTP Server/Client, Web Server, SQL, and MQTT.  

 

Remote Access via any device that supports VNC. 

Programming 

Software 

All-in-One UniLogic software for hardware configuration, 

communications, PLC and HMI applications; free download. 

HMI 

All UniStream

®

 PLCs can display HMI screens on the following devices:  

 

UniStream Display (USL)  

 

UniStream Modular HMI panel (USP) 

 

UniStream Built-in (on the panels integral to the device) 

 

Any device screen that supports VNC 

 

 

 

Summary of Contents for UniStream USC-B3-R20

Page 1: ... data tables data sampling and Recipes UniApps Access edit data monitor troubleshoot debug and more Security Multi level password protection Alarms Built in system ANSI ISA standards COM Options Built in ports 2 Ethernet 1 USB host 1 USB device port Add on ports UAC CB available by separate order 1 CANbus port may be added to all models RS232 485 ports according to model technical specifications C...

Page 2: ...between B10 B5 and B3 Feature B10 Pro B5 Standard B3 Basic I O Expansion via Uni I O Yes No Remote I O Expansion via Ethernet I O Adapter URB Up to 8 1 VFD 32 2 MicroSD Yes No Add on COM modules 3 2 System Memory 6GB 3GB 3GB MODBUS Slaves Unlimited Up to 8 Ethernet IP Scanners 16 1 Ethernet IP Adapters 32 8 Web Server Yes No No SQL Client Yes No No MQTT Yes PID Loops 64 2 Data Sampler Trends Yes N...

Page 3: ...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 Environmental Considerations Ventilation 10mm space is required between the device top bottom edges and the enclosure s walls Do not install in areas with exce...

Page 4: ... COM CB modules Shipped covered leave cover in place when not in use Top View 8 Ethernet ports Two ports for Ethernet communications 9 Input Output connection points Model dependent Present in models with built in I O configurations 10 CONFIRM Button Used to implement and confirm USB Actions 11 USB Host port Provides the interface for external USB devices 12 Internal Door open Open this to access ...

Page 5: ...ns For exact dimensions please refer to the Mechanical Dimensions shown below Mechanical Dimensions Front View Bottom View Mounting Note Mount on a standard DIN rail Ensure that there is sufficient room on the left side of the device to allow for any COM modules 1 Push the device onto the DIN rail until the clips located at the top and bottom of the unit have snapped onto the DIN rail 2 When prope...

Page 6: ... preventing contact Pull out this tab before using the device Battery Installation and Replacement Use proper precautions to prevent Electro Static Discharge ESD while servicing the battery Caution To preserve back up values for RTC and system data during battery replacement the controller must be powered Note that disconnecting the battery halts the preservation of back up values and causes them ...

Page 7: ...p 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 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 t...

Page 8: ...er Supply The controller requires an external power supply In the event of voltage fluctuations or non conformity to voltage power supply specifications connect the device to a regulated power supply Connect the V and 0V terminals as shown in the accompanying figure Connecting Ports Ethernet CAT 5e shielded cable with RJ45 connector USB Host Standard USB Type A plug USC B3 R20 USC B3 T20 I O Conne...

Page 9: ...iring to connect a sinking npn device Wiring the Analog Inputs Both inputs share the common point CM1 NOTE The inputs are not isolated Each input offers two modes voltage or current You can set each input independently The mode is determined by the hardware configuration within the software application Note that if for example you wire the input to current you must also set it to current in the so...

Page 10: ...lay contacts The relay outputs are arranged in two isolated groups O0 O3 share the common return CM2 O4 O7 share the common return CM3 Increasing Contact Life Span To increase the life span of the relay contacts and protect the controller from potential damage by reverse EMF connect a clamping diode in parallel with each inductive DC load a RC snubber circuit in parallel with each inductive AC loa...

Page 11: ...COM Modules Refer to the Installation Guides provided with these modules Turn off system power before connecting or disconnecting any modules or devices Use proper precautions to prevent Electro Static Discharge ESD Uninstalling the Controller 1 Disconnect the power supply 2 Remove all wiring and disconnect any installed devices according to the device s installation guide 3 Unscrew and remove the...

Page 12: ...lied 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...

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