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IntelliSAW IRM-48 Reader 

 

Installation Manual 

 

Page 8 of 28 

IRM-48 Reader 

 

910.00371.0001 

 

2.2.3

 

Product Label 

The top product label provides guidance to the model type, product voltage and power ratings, 
and connector interfaces.  

 

 

Figure 3: Product top label 

 

Model identification boxes will be red if the option is available in the reader. 

2.3

 

C

ONNECTORS 

 

The product has up to seven connectors (depending on model):  

  (1) USB connector 

– used for configuration 

  (1) Power and Modbus RTU (RS485) connector 

  (4) SMA (RF) connectors 

– used for air interface connections 

  (1) Ground lug 

– chassis Function Earth (FE) 

  (1) Humidity connector 

– available with humidity option 

 
 

 

Figure 4: Front and side views of IRM-485 Reader 

 

Power & 

Modbus 

RTU 

USB 

Humidity 

SMA (RF) 

Model Identification 

Voltage and 

power ratings 

Ground Lug 

Summary of Contents for IRM-48

Page 1: ...IntelliSAW IRM 48 Reader INSTALLATION MANUAL Document 910 00371 0001 Revision 1 1 Date 14 July 2016 Page 1 of 28 ...

Page 2: ...ed therein Any reproduction disclosure to third parties or utilization of its contents in whole or in part without prior written consent of IntelliSAW is forbidden IntelliSAW Rosemount Measurement 100 Burtt Rd Andover MA 01810 1 978 409 1534 WARRANTY These products are warranted to be free from functional defects in material and workmanship at time of manufacture and to conform at that time to the...

Page 3: ...ardous situation which if not avoided could result in death or serious injury Failure to follow the instructions given can result in death or serious injury CAUTION CAUTION indicates a potentially hazardous situation which if not avoided may result in minor or moderate injury Failure to follow these instructions can result in personal injury NOTICE NOTICE alerts you to practices unrelated to perso...

Page 4: ...nnector 9 2 3 3 SMA RF Connectors 9 2 3 4 Humidity Sensor Connector 10 2 4 Power Feedback LED 10 3 Installation 11 3 1 Unpacking 11 3 2 Dimensions 12 3 3 Din Rail Mounting 12 3 3 1 Installation Location 13 3 3 2 Recommended Spacing 13 4 Wiring 14 4 1 Power and Modbus RTU Connections 15 4 1 1 Power 15 4 2 Communication Connections 17 4 3 Humidity Sensor Connections 19 4 4 Air Interface Connections ...

Page 5: ... IRM 48 Reader 910 00371 0001 8 Product Certifications 25 8 1 Compliance 25 8 2 Wireless Certifications 26 8 2 1 Telecommunication Compliance 26 8 2 2 Approved Antennas 26 8 2 3 Federal Communications Commission FCC 26 8 2 4 Industry Canada IC 27 9 Contact 28 ...

Page 6: ...lated Electrical Equipment Readers connect Air Interfaces through RF cables for wireless interrogation of SAW temperature sensors and Partial Discharge monitoring while humidity and ambient temperature sensors are wired to the readers Interfacing to the IntelliSAW CAM 4 or an existing SCADA DCS or historian is easily accomplished with industry standard Modbus RTU RS485 serial WARNING The Reader is...

Page 7: ...temp 8 humidity sensors Power 24V to 60V DC 3 5W 2 2 LABELING The Reader has two labels on the bottom of the unit a Serial ID label and a compliance label and one main product label on the top 2 2 1 Serial ID Label The IRM 48 Serial ID label provides a model number and serial number for the reader Figure 1 IRM 48 Model Number and Serial ID Label 2 2 2 Compliance Label The compliance label provides...

Page 8: ...e red if the option is available in the reader 2 3 CONNECTORS The product has up to seven connectors depending on model 1 USB connector used for configuration 1 Power and Modbus RTU RS485 connector 4 SMA RF connectors used for air interface connections 1 Ground lug chassis Function Earth FE 1 Humidity connector available with humidity option Figure 4 Front and side views of IRM 485 Reader Power Mo...

Page 9: ...d shield connectivity Should use separate wire from Case Ground D COM DATA Common Common input for Modbus RTU RS485 DATA DATA Negative Negative Input for Modbus RTU RS485 DATA DATA Positive Positive Input for Modbus RTU RS485 2 3 3 SMA RF Connectors Pin Name Description P1 RF Port 1 Air Interface Radio Frequency Port 1 P2 RF Port 2 Air Interface Radio Frequency Port 2 P3 RF Port 3 Air Interface Ra...

Page 10: ... DAT Humidity Data Humidity Cable DATA Input from Humidity Sensor H CLK Humidity Clock Humidity Cable Clock Input from Humidity Sensor H COM Humidity Common Humidity Cable Common Input from Humidity Sensor 2 4 POWER FEEDBACK LED The product has one power feedback LED LED States No Illumination No Power Solid Green Power no measurements Green Amber toggle Automated measurements Fast flashing Amber ...

Page 11: ...MANNER NOT SPECIFIED IN THIS MANUAL OR BY THE MANUFACTURER MAY IMPAIR PROTECTION OF THE USER AND EQUIPMENT Failure to follow the instructions given can result in death or serious injury CAUTION THIS EQUIPMENT IS DESIGNED FOR INSTALLATION IN AN ENCLOSURE THAT PROVIDES ADEQUATE PROTECTION AGAINST ELECTRIC SHOCK Failure to follow these instructions can result in personal injury 3 1 UNPACKING 1 Remove...

Page 12: ...s mounted on standard 35 mm din rail It can be mounted either vertically or horizontal by changing the orientation of the mounting clip The din rail mounting clip is located on the back of the IRM 48 Reader and is screwed on to the frame The clip is normally oriented for vertical installation of the reader on to a din rail To change the installation mounting orientation remove the 2 screws holding...

Page 13: ...e IRM 485 Reader is intended for installation in LV compartments of switchgear other electrical assets or in weather protected enclosed locations The Reader is required to be installed within 7m of the Air Interface the maximum length of the Air Interface Antenna RF cable 3 3 2 Recommended Spacing It is recommended to allow up to 5 cm 2 in for the IRM 48 Reader connectors It is best to have the US...

Page 14: ...NNECTED TO THE SOURCE UNTIL ALL WIRING CONNECTIONS PROCEDURES ARE COMPLETED Failure to follow the instructions given can result in death or serious injury WARNING CHECK THE INFORMATION LABEL ON THE CASE TO DETERMINE THE CORRECT VOLTAGE BEFORE CONNECTING TO A LIVE SUPPLY Failure to follow the instructions given can result in death or serious injury IMPORTANT The wiring diagram below shows all possi...

Page 15: ...6 position Male connector The connector accepts 16 26 AWG wire It is recommended that Ferrules be used for all terminating wires V V FE D COM DATA DATA 24V 60V DC Power Supply V V Modbus RTU D COM DATA DATA Figure 9 Power and Modbus RTU Connections 4 1 1 Power The IRM 48 Reader operates at 48VDC nominal power but can operate between 24 to 60V DC with a total power consumption of 3 5 W The followin...

Page 16: ...randing 300V rated Insulation shall be EP ethylene propylene or EPCP ethylene propylene chlorosulfonated polyethylene compound If bussed power is being considered the wire gauge must be selected to prevent excessive voltage drop between the DC power source and the reader that is electrically farthest from the source The larger wire diameter required could force the use of a custom cable for DC pow...

Page 17: ...rough a high resistance to prevent ground loops The figure below shows the various elements of a network in a switchgear substation Figure 11 RS485 Data Communication Bus Topology 4 2 1 1 Recommended Cabling IntelliSAW recommends the use of shielded cable for the RS485 wiring providing at least one twisted pair one single line and a drain wire although typical cable has two twisted pair The twiste...

Page 18: ...te considerations The RS485 bus data rate is dependent on the bus cable length and the number of readers on the bus In industrial environments slower data communication rates are generally more reliable IntelliSAW recommends either 19200 baud or 9600 baud for the data rate Bus length Bus cable length has an impact on the overall data rates which can be achieved A conservative rule for RS485 uses t...

Page 19: ...DAT H CLK H COM M12 Connector HUMIDITY SENSOR Figure 12 Humidity Connector 4 4 AIR INTERFACE CONNECTIONS The IRM 48 Reader supports up to 4 Air Interface Antenna connections P1 P4 The Air Interface Antenna connections on the Reader are female SMA connections The Air Interface Antenna s connect to the Reader through RF cables with Male SMA Connectors on each end RF Cables are provided by IntelliSAW...

Page 20: ...allation Manual for more detail 5 2 SYSTEM CONFIGURATION The Reader requires system configuration for the associated installed temperature sensors air interfaces and humidity sensors Configuration is performed through the USB port and uses the IntelliSAW Measurement Configuration Software Details will not be discussed here please refer to the Configuration Software User Manual for detailed instruc...

Page 21: ...PUT 4 Exactly duplicates the MBF_READHOLDING command with the same registers MBF_PRESETSINGLE 6 Set a single register do not use in reserved registers MBF_DIAGNOSTICS 7 Sub functions supported are 1 4 10 14 MBF_FETCH_CEC 11 Return 0x0000 if not busy 0xFFFF if busy MBF_PRESETMULTIPLE 16 Set up to registers MBF_RESET_COMM 19 Reset reader processor if successful MBF_RESET_COMM_ISR 7E address 7E AA 55...

Page 22: ... 1000 0 1 RH 0xFFFF 436 ambient 4 signed 16 400 1250 0 1 C 0x8000 437 RH 4 unsigned 16 0 1000 0 1 RH 0xFFFF 438 ambient 5 signed 16 400 1250 0 1 C 0x8000 439 RH 5 unsigned 16 0 1000 0 1 RH 0xFFFF 440 ambient 6 signed 16 400 1250 0 1 C 0x8000 441 RH 6 unsigned 16 0 1000 0 1 RH 0xFFFF 442 ambient 7 signed 16 400 1250 0 1 C 0x8000 443 RH 7 unsigned 16 0 1000 0 1 RH 0xFFFF 444 ambient 8 signed 16 400 ...

Page 23: ...ed 16 0 65534 10 Quhf 0xFFFF 475 internal 7 unsigned 16 0 65534 10 Quhf 0xFFFF 476 noise 8 unsigned 16 0 65534 10 Quhf 0xFFFF 477 surface 8 unsigned 16 0 65534 10 Quhf 0xFFFF 478 internal 8 unsigned 16 0 65534 10 Quhf 0xFFFF 479 noise 9 unsigned 16 0 65534 10 Quhf 0xFFFF 480 surface 9 unsigned 16 0 65534 10 Quhf 0xFFFF 481 internal 9 unsigned 16 0 65534 10 Quhf 0xFFFF 482 noise 10 unsigned 16 0 65...

Page 24: ...librate to reference source Sensitivity 100pC Qpk demonstrated in 24kV switchgear installation dependent Response Time 100 mSec HUMIDITY Number of Channels Up to 8 IntelliSAW IH 10 sensors bussed Measurement Types Relative Humidity Ambient Temperature COMMUNICATION INTERFACES Data Bus Interface RS485 half duplex Data Bus Baud Rate 4800 9600 19200 38400 57600 or 115200 baud Data Protocol Modbus RTU...

Page 25: ...EC 61000 4 8 Magnetic immunity 100V m 50 60Hz three axes IEC 61000 4 9 Pulse magnetic field immunity test 300A m IEC 61000 4 10 Damped oscillatory magnetic field immunity 30A m IEC 61000 4 11 Voltage dips and interrupts DC power IEC 61000 4 12 Ring wave immunity 5kV common mode 1kV differential power signal IEC 61000 4 16 Conducted frequency immunity 30V cont and 300V 1s diff common mode to earth ...

Page 26: ... mast 1 dBi IA MM 17 y Monopole 17 cm mast 3 2 dBi IA MM TPD y Patch inverted F PIFA 3 5 dBi IA MM TMP y Patch inverted F PIFA 3 5 dBi Part Number y indicates cable length and is offered in 3 5 or 7 meters 8 2 3 Federal Communications Commission FCC This product contains FCCID 2AEAE ISAW RF H0215 The design of the IRM 48 complies with U S Federal Communications Commission FCC guidelines respecting...

Page 27: ... certified under IC 11526A ISAWRFH0215 This device complies with Industry Canada license exempt RSS standard s Operation is subject to the following conditions This device may not cause harmful interference This device must accept any interference received including interference that may cause undesired operation Changes or modification to the equipment not expressly approved by IntelliSAW could v...

Page 28: ...71 0001 CONTACT Head Office IntelliSAW ALTANOVA GROUP Rosemount Measurement 100 Burtt Rd Andover MA 01810 contact intellisaw com 1 978 409 1534 Regional Office IntelliSAW LATAM IntelliSAW China Regional Distributors Visit www altanova group com for the latest distribution locations ...

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