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Acromag microBlox Series User Manual Download Page 7

microBlox® Transmitter/Alarm Carrier 

                        Model uBTA-H-1MR/uBTA-H-1SR/uBTX-H-1 

 

 

Acromag, Inc. Tel: 248-295-0880  

 

          - 7 -                                   

http://www.acromag.com  

- 7 - 

https://www.acromag.com 

 

 

DIN Rail Mounting & Removal 

 
 

 
When removing the carrier from the DIN rail, it is recommended that your uB input 
module be unplugged from the top of the carrier first.  Refer to the figure below for 
attaching and removing the carrier from the DIN rail.  The DIN rail clip located on 
the bottom side is spring-loaded.  The opposite rounded edge at the bottom of the 
top side allows you to tilt the unit upward to lift it from the rail while prying the 
spring clip back with a screwdriver along the bottom as shown below.   

 
To attach the carrier to T-type DIN rail, angle the top of the unit towards the rail and 
place the top groove of the carrier over the upper lip of the DIN rail.  Firmly push 
the unit downward towards the rail until it snaps into place. 

 
To remove it from the DIN rail, first separate the input and power terminal blocks 
(TB1-TB3) from the bottom side of the module to create clearance to the DIN 
mounting clip. You can use a screwdriver to pry the pluggable terminals out of their 
sockets.  Next, while holding the carrier in place from above, insert a screwdriver 
along the bottom side path of the carrier to the DIN rail clip and use it as a lever to 
force the DIN rail spring clip down, while pulling the bottom of the carrier outward 
until it disengages from the rail.  Then simply tilt the carrier upward to lift it off the 
rail. 

 

 

 

 

Summary of Contents for microBlox Series

Page 1: ...Wireless Technology microBlox Input Modules USER S MANUAL ACROMAG INCORPORATED Tel 248 295 0880 30765 South Wixom Road Fax 248 624 9234 Wixom MI 48393 2417 U S A email sales acromag com Copyright 2018 Acromag Inc Printed in the USA Data and specifications are subject to change without notice 8501079B retired ...

Page 2: ...nnections 12 Interposing Relay Connections 12 Add Contact Protection When Switching Inductive Loads 13 Transmitter Output Connections 14 CONFIGURATION SOFTWARE 15 Quick Overview 15 Optional Output Current Trim Adjustment 16 TECHNICAL REFERENCE 17 Block Diagram 17 How It Works 18 Alarm Operation 18 TROUBLESHOOTING 19 Diagnostics Table 19 Service Repair Assistance 20 ACCESSORIES 21 DIN Rail Bus Conn...

Page 3: ... mechanical relays uBTX H 1 A Transmitter Only Carrier for a single uB input module with both a 0 5V voltage output and a 0 20mA current output uBTA H 1SR Combination Transmitter Alarm Carrier for a single uB input module with dual SPST AC DC solid state relays These carriers are used with Bluetooth wireless technology versions of Acromag microBlox modules to build powerful alarms and voltage curr...

Page 4: ...nsmitter uBTA models or just a voltage current transmitter uBTX model Different input types can be plugged into this carrier to form different alarm types normally without recalibration Like all microBlox components these carriers offer high immunity in harsh industrial environments are CE and ATEX IECEx compliant and UL approved for installation in Class I Division II hazardous locations ...

Page 5: ...er output accuracy Wide ambient temperature operation from 40 C to 75 C All I O and power ports are transient protected Wide range DC powered from 6 32V and Bus Power Ready for optional clean wired power along the DIN Rail and or Redundant Power Connection High 1500VAC Safety Isolation Field input transmitter output power and relay contacts including between contacts are individually isolated for ...

Page 6: ...also provides a wired interface for the module s 0 5V output and adds a tandem 0 20mA current output Independent High Low alarm levels or a window alarm may be configured for each relay Alarm levels are configured in the captive Bluetooth wireless technology module via a smartphone or tablet and our free mobile app Note For alarm operation the plugged in Bluetooth wireless technology input module ...

Page 7: ...ttom as shown below To attach the carrier to T type DIN rail angle the top of the unit towards the rail and place the top groove of the carrier over the upper lip of the DIN rail Firmly push the unit downward towards the rail until it snaps into place To remove it from the DIN rail first separate the input and power terminal blocks TB1 TB3 from the bottom side of the module to create clearance to ...

Page 8: ...imum temperature rating of 85o C Input wiring may be shielded or unshielded type twisted pair or shielded twisted pair input wiring is recommended Terminals are pluggable and can be removed from their sockets by prying outward from the top with a flat head screwdriver Strip back wire insulation 0 25 inch on each lead and insert the wire ends into the cage clamp terminal block connector Use a screw...

Page 9: ...rse polarity protected For supply connections use 14 AWG wire rated for at least 85 C Do not exceed 36V DC peak The unit may be optionally powered or redundantly powered via its DIN rail connector as shown below optional terminal is required The bus power connector of the module can be used to interconnect between modules by plugging them together and then connecting them as a group to a suitable ...

Page 10: ... help secure the terminal block and module assembly to the DIN rail Acromag part 1027 222 not shown but included in XTBUS KIT IMPORTANT Fusing It is recommended that supplies capable of delivering more than 2 5A of power to the carrier or bussed carriers be fused with a surge tolerant fuse Unit includes a transient voltage suppressor clamp across its power input that will clamp transient overvolta...

Page 11: ...s Similarly TB2 includes two jumper terminals to enable Bluetooth wireless technology linking refer to your uB model instructions and adding this jumper is equivalent to switching the BLE DIP switch of uB back panels ON Refer to the table above and add or remove this jump wire between the last two terminals of TB1 some modules will require a CJC connection while others do not Installing a jump wir...

Page 12: ...th grounded as reflected in their connection diagram for the specific module model Ground connections noted are recommended for best results and help protect the unit and its isolated circuitry by giving it a low impedance path to ground for shunting potentially destructive transient energy away from sensitive module circuitry Refer to the Electrical Connection Drawings for recommended input trans...

Page 13: ...his protection which is different for AC and DC loads For DC loads this protection typically takes the form of a diode placed in reverse of normal current flow through the load but right at the load terminals see this protection illustrated in the prior figure for driving an interposing relay where it is placed across the terminals of the interposing relay coil When choosing this protection it is ...

Page 14: ...ch other and share common This output circuit is normally earth grounded at the output common terminal as shown below Note For 4 20mA Transmitter Output The alarm carrier normally requires that the input module scales its input range to 0 5V for use on this carrier and this will drive 0 20mA at the carrier s current output If your application requires a 4 20mA current output you may use the I O Sc...

Page 15: ...larm Carrier Attached switch right to ON as shown Scroll down the page to complete the Alarm configuration This carrier provides two independent alarm relays for the input module and one or both relays may be configured as either a high low or window alarm each with its own dead band control using the screen at left scroll down You can set limits for each relay and or specify a Reverse Acting alar...

Page 16: ...m module CAUTION You must be very careful when inserting a screwdriver into this vent to adjust the trim pot Most screwdrivers are conductive and it would be very easy to inadvertently short circuit the enclosed circuit if the screwdriver blade did not align with the trim pot screw and was inadvertently pushed too far into the circuit enclosure This could damage the live circuit and may be unsafe ...

Page 17: ...microBlox Transmitter Alarm Carrier Model uBTA H 1MR uBTA H 1SR uBTX H 1 Acromag Inc Tel 248 295 0880 17 http www acromag com 17 https www acromag com TECHNICAL REFERENCE Block Diagram ...

Page 18: ... signal A local microcontroller on the carrier handles alarm management It retrieves alarm configuration information from the module via a serial bus Alarm configuration parameters are set inside the module via a Bluetooth wireless technology link to the module from a smartphone or tablet using the Acromag Agility mobile app The carrier includes separate analog output terminals for module output v...

Page 19: ...he carrier s power converter may be bad and you can return it for repair or replacement Blue BLE LED of Carrier does not light Cannot Communicate with Module Using Bluetooth wireless technology Is the BLE jump wire installed at TB2 Is the BLE jump wire connected between the wrong TB2 terminals Check your TB2 connections A wire jumper should be inserted between the first two terminals of TB2 which ...

Page 20: ...the field input signal may be floating or is not earth grounded or perhaps the output is not earth grounded Check CJC Jumper Refer to your module specifications and determine the required CJC jumper status Install or remove this jumper as required Voltage Output is Over Loaded The 0 5V output can only drive up to 5mA into loads greater than or equal 1KΩ Current Output cannot drive full scale curre...

Page 21: ...are used to secure the terminal block and module s to the DIN rail for hazardous location installations NOTE The maximum number of modules that can be plugged together and powered from a bus connection will be limited by twice its combined current draw at a given supply voltage below 3A of maximum allowable current This allows you to safely fuse the DIN rail bus power connection with a surge toler...

Page 22: ...it Input wiring is applied to TB1 and TB2 of the carrier Refer to your module s instructions for detailed input and connection specifications Accuracy Better than 0 05 of span typical relative to the module and an additional 0 05 of span relative to this carrier for a net accuracy of 0 1 of span This includes the effects of repeatability terminal point conformity and linearization but does not inc...

Page 23: ..._Current 1 08A Ambient C 0 42 50 up to 75 C maximum ambient IMPORTANT This solid state output is AC and DC rated As such it does not include any switch protection for inductive loads You must add protection for inductive loads or damage to this output switch could result see Add Contact Protection when Switching Inductive Loads Contact Resistance 0 7Ω typical 1 1Ω maximum Off State Leakage Current...

Page 24: ...e option under the uBTA Alarm tab which also sets the voltage output to 1 5V Output Maximum 24mA typical Load Resistance 0 550Ω minimum 20mA Accuracy 0 1 of 20mA span or 0 020mA maximum Current Trim 0 08mA adjustable via a precision 15 turn Trim Pot near the output terminals Adjustment is not normally required but useful for making fine output current adjustments or to correct for component aging ...

Page 25: ...asing signal for a high set point and on a decreasing signal for a low set point Alarm Dead band A region associated with each set point level that is programmable over the entire input range Dead band determines the amount the input signal must return into the normal operating range before the relay contact will transfer out of the alarm state Dead band is normally used to eliminate false trips o...

Page 26: ...his summation applies quite well for supply voltages from 9 32V POWER ITEM AVG REQUIRED POWER AT SUPPLY uBTX H Base 0 080W uBTA H Base 0 108W Dual Mechanical Relays 0 355W Dual Solid State Relays 0 109W 5mA Voltage Output 0 066W 20mA Current Output 0 348W uB41 Input Module 0 266W uB42 Input Module 0 659W CARRIER POWER REQUIRED BY ITEM BY MODULE AVG MODEL BASE RELAY V OUT I OUT uB41 uB42 Ptot uBTA ...

Page 27: ...l Mounting Unit is normally mounted to 35x15mm T type DIN rails Refer to the DIN Rail Mounting Removal section for more details Unit Weight 0 35 pounds 0 16 Kg Environmental These limits represent the minimum requirements of the applicable standard but this product has typically been tested to comply with higher standards in some cases Operating Temperature 40 C to 75 C 40 F to 158 F Storage Tempe...

Page 28: ...nclosure suitable for the environment ATEX IECEx Certified Model uBTA P 1 carries are ATEX Certified for Explosive Atmospheres per ATEX Directive 2014 34 EU which complies with standards IEC 60079 0 Edition 6 IEC 60079 15 Edition 4 EN 60079 0 2012 A11 2013 and EN 60079 15 2010 II 3 G Ex nA nC IIC T4 Gc 40o C Ta 75o C For model uBTA H 1MR only II 3 G Ex nA IIC T4 Gc 40o C Ta 75o C For all other mod...

Page 29: ... Date Revision EGR DOC Description of Revision 05 JUN 2017 A BC MJO Updated Revision A Release 27 NOV 2018 B CAP ARP Added UL ATEX IECEX FCC statements The Bluetooth word mark and logos are registered trademarks owned by the Bluetooth wireless technology SIG Inc and any use of such marks by Acromag is under license other trademarks are the property of their respective owners Copyright Acromag Inc ...

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