2750-2.40, Intelligent Antennas Product Data
Contents
1. Explanation LED Label LED Color Normal Status Se eee Off Tag Fault Normally off Last read or write operation No error detected failed or timed out Tag YELLOW Normally status is off Antenna is attempting to No transmission in progress Communications Changes state as tags pass transmit to a tag Object Detect YELLOW Normal statusis off Changes Object detect is active or object Object detect is not active states when object detect switch detect mode is disabled closes physically or logically Communications GREEN Normally on Controller communication is OK Controller communication is lost Antenna Fault Normally off Flashing Intelligent Antenna Normal operations underway fault Power GREEN Normally on Power is applied No power applied Mounting Dimensions Product Data Bulletin 2750 Intelligent Antennas Figure 5 shows the mounting dimensions for the main body of the antenna Figure 6 shows the mounting dimensions for the remote antenna head Figure 5 Figure 6 Dimensions in Inches mm 13 5 342 9 7 197 1 4 37 111 0 15 38 10 E 11 00 279 40 1 00 ose 0 45 i 5 00 ae 5 00 127 00 J 12 87 326 89 0 31 Dia ash L 0 31 Dia 7 87 0 55 Dia 13 97 N 0 249 Dia 6 3 Dimensions In Inches mm 4 12 5 12 130 04 1 25 3 54 89 91 _ u om 35 88 90 412 104 65 3 54 89 912. 0 25 Dia 6 35 Product Data Bulletin 2750 Intelligent Antennas Specifications Electrical Input power Connectors Integrated Units Remote Units Cable Requirements 2750 AS Antennas 2750 AH Antennas Object Detect Switch Supply source Sink Source current Communications 2750 AS Antennas 2750 AH Antennas Mechanical Enclosure Rating Material Body Dimensions Length Width Height Weight Head Dimensions Length Width Height Weight 10 Power Supply Cat No 2750 PA 24 VAC 20 25 2 Amps Pressure plate type screw 8 terminals Pressure plate type screw 5 and 8 terminal SMA type 2 connectors Shielded cable 50 feet 15 24 m maximum to RS 232 host or 4 000 feet 1219 1 m maximum to RS 422 host Shielded cable 4 000 feet maximum to RS 485 host 10 VDC to 30 VDC 50 mA Bulletin 880L recommended 8 25 milliamperes RS 232 or RS 422 using DF1 or ASCII protocol RS 485 using DH 485 protocol NEMA Type 4 Die cast aluminum 11 00 279 40 mm body 13 50 342 90 mm with mounting tabs 7 76 197 1 mm 4 37 111 0 mm 14 00 Ibs 6 35 kg 5 12 130 0 mm with mounting tabs 4 12 104 6 mm 1 25 31 75 mm 0 75 Ibs 34kg Specifications cont d Environmental Operating temperature Storage temperature Relative humidity Shock Operating Nonoperating Vibration Operating Nonoperating Capabilities Tag reading distance Read Write tra
3. ALLEN BRADLEY Bulletin 2750 Intelligent Antennas Catalog No 2750 AS ASP ASD ASPR 2750 AH AHP AHD AHPR Product Data 90 262 2 General This document describes the Allen Bradley families of Intelligent Antennas Catalog No 2750 AS Series Antennas are RS 232 422 devices which communicate using DF1 or ASCII protocol Catalog No 2750 AH Series Antennas are RS 485 devices which communicate using DH 485 protocol DF1 and DH 485 protocols are compatible with the Allen Bradley Programmable Logic Controllers PLCs Data Highway 1 and Data Highway 2 ASCII protocol is useful for quick startups and operation checks Product Data Bulletin 2750 Intelligent Antennas General cont d Intelligent antennas are identification sensors which transfer data between radio frequency RF tags and a host device The antennas are responsible for Bidirectional communication with tags Encoding Decoding of this information Interpretation and execution of host commands Transforming data into host format for transmission Intelligent antennas exchange data with different types of RF tags Read Write tags with 2K or 8K of RAM memory Programmable tags with 6 digit 20 character or 40 character EEPROM memory The antennas can read from or write to read write tags and read from programmable tags during online operations The 2750 ASP ASPR AHP AHPR antennas can program
4. Bradley offers a variety of object detect devices including photoswitches limit switches and proximity sensors The object detect can be 2 or 3 lead current sink or current source or a dry contact device The antenna can supply power to a device from 10 VDC to 30 VDC at 50 mA Figure 3 shows a typical operating configuration with an object detect device Figure 3 Typical Operating Configuration for Antennas t wS te 2 i 4 se RF field n Head To Host Be gt optional EJ RS 232 422 or 485 To 24 VAC Power Supply EJ Antenna to tag spacing E Tag to tag spacing should be atleast 3 times the antenna to tag spacing for read op erations The User Manuals for the antennas define spacing requirements for pro gramming tags or writing to tags E The remote antenna uses a linear polarization which requires the correct orientation between the tag and the remote head The User Manuals for the antennas provide de tails on antenna to tag orientation Antenna Configuration Typical Operation Sequence Product Data Bulletin 2750 Intelligent Antennas Commands are sent from a host device to the antenna to configure and operate the antenna These commands Set the object detect s operating parameters including tag type object detect mode transaction timeout setting RF field strength level Set parameters for host communication AS antennas only Return the curre
5. atalog No 2760 SFC2 Series B The antennas communicate over the DH 485 network to a PLC via a port of the Flexible Interface Module You can configure each device port of the Flexible Interface Module to operate up to 31 antennas in a single network The antennas operate as slave devices responding to poll requests for data from the module or a PLC controller In addition the antennas can operate in a network with other Allen Bradley devices including the SLC 500 Small Logic Controllers and the 2755 DM6 DM9 Bar Code Decoders In a mixed network the antennas operate as slaves with other slave or master devices Figure 1 shows a typical configuration with a network of 2750 AH Series of antennas Node addresses and baud rate are set using DIP switches on the antennas Figure 1 Network of 2750 AH Intelligent Antennas 2760 RB Flexible Interface Module 2760 SFC2 Series B Protocol Cartridge 2750 AH Antenna 2750 AHD 2750 AHPR Antenna Node 31 Antenna BELDEN Cable 9842 Refer to Publications 2760 2 10 and 2760 2 20 for more information on the Flexible Interface Module and the DH 485 Protocol Cartridge For complete details on operating the 2750 AH Antennas in a DH 485 network see the User s Manual Publication 2750 ND001 Product Data Bulletin 2750 Intelligent Antennas Power Supply The Catalog No 2750 PA power supply provides the 24 VAC operating voltage to operate an intelligent antenna A s
6. ingle power supply can operate up to four antennas at a maximum distance of 200 feet 60 96 meters External Connections Beneath the wiring plate on the antennas are two plug in connectors a 5 pole Transmit Antenna Connector and 8 pole connector Figure 2 shows the location of these connectors The 8 pole connector connects 24 VAC Power Supply Catalog No 2750 PA Object Detect Device 2 or 3 lead current source or current sink RS 232 422 communication line to host Catalog No 2750 AS Antennas only The 5 pole connector connects RS 422 communication line to host Catalog No 2750 AS Antennas or RS 485 communication line to host Catalog No 2750 AH Antennas Important The 2750 AH series of antennas use DIP switches to set the node address and baud rate for each antenna on the DH 485 network Figure 2 External Connections Transmit Receive Antenna Antenna Connector Connector Remote Antenna Head 5 Pole Connector Enee GND A overs RX B ma RX Shield Receive f 2 NOS T4 TX GND Antenna 8 Pole Connector N NS Me CHS GND Connector pa 24 vac m i E E from To Object Detect TX RX GND RS 422 RS 485 Power 2or3lead ummm toHost to Host Supply device RS 232 to Host Product Data Bulletin 2750 Intelligent Antennas Object Detect Device Each antenna has an input for connecting an optional object detect device This sensing device detects objects with attached RF tags Allen
7. nsfer data 2750 AS Antennas 2750 AH Antennas Antenna configuration Tag types Approvals 2750 AS AH ASD AHD Antennas 2750 ASP AHP ASPR AHPR Antennas Product Data Bulletin 2750 Intelligent Antennas 32 to 140 F 0 to 60 C 40 to 185 F 40 to 85 C 5 to 95 noncondensing 30G 50G 2 5 G 5 Hz to 2000 Hz 5 0 G 5 Hz to 2000 Hz Refer to Publication 2750 2 9 on Radio Frequency Tags 6 144 bytes maximum 112 bytes maximum Software selected and stored in EEPROM Read Write 2K or 8K character tag Programmable EEPROM tag 6 digit 20 digit or 40 character tags Meet FCC Regulations Part 15 Require an FCC Part 90 Site License for operation 1991 Allen Bradley Company AB ALLEN B RAD LEY A subsidiary of Rockwell International one of the world s largest technology companies y Allen Bradley meets today s automation challenges with over 85 years of practical plant floor A ROCKWELL INTERNATIONAL COMPANY experience More than 13 000 employees throughout the world design manufacture and apply a wide range of control and automation products and supporting services to help our customers continuously improve quality productivity and time to market These products and services not only control individual machines but also integrate the manufacturing process while providing access to vital plant floor data that can be used to support decision making throughout the enterprise With
8. nt operating parameters Perform single or multiple tag transactions Repeat tag transactions Reset antenna to default communication parameters Run diagnostics and return diagnostic results Each object that is to be identified or tracked by the system has an RF tag When the object detect device senses a tagged object it signals the antenna to start transmitting When the tag enters the antenna s RF signal field the antenna can either read data from the tag write or program data to the tag The type of antenna and tag determine which kind of communication will occur A write program transaction sends data from the host to the antenna and then to the tag for storage in tag memory The host can send a separate command for each transaction or a repeat command to initiate multiple transactions You can enable object detect mode to execute transactions only when receiving a signal from an object detect device You can also set a timeout limit for each transaction Product Data Bulletin 2750 Intelligent Antennas Diagnostic LED Indicators LED indicators are located on the face of the antenna Figure 4 shows the location of the indicators Figure 4 LED Indicators ANEI ALLEN BRADLEY NU A ROCKWELL INTERNATIONAL COMPANY Intelligent Antenna TAG OBJECT ANTENNA FAULT DETECT FAULT 0666 66 TAG COMM POWER COMM The LED indicators provide a visual indication of the following conditions LED Status
9. offices in major cities worldwide WORLD HEADQUARTERS EUROPE MIDDLE EAST ASIA PACIFIC HEADQUARTERS CANADA HEADQUARTERS LATIN AMERICA Allen Bradley AFRICA HEADQUARTERS Allen Bradley Hong Kong Limited Allen Bradley Canada Limited HEADQUARTERS 1201 South Second Street Allen Bradley Europe B V Room1006 Block B Sea View Estate 135 Dundas Street Allen Bradley Milwaukee WI 53204 USA Amsterdamseweg 15 2 8 Watson Road Cambridge Ontario N1R 5X1 1201 South Second Street Tel 414 382 2000 1422 AC Uithoorn Hong Kong Canada Milwaukee WI 53204 USA Telex 43 11 016 The Netherlands Tel 852 887 4788 Tel 519 623 1810 Tel 414 382 2000 FAX 414 382 4444 Tel 31 2975 43500 Telex 780 64347 FAX 519 623 8930 Telex 43 11 016 Telex 844 18042 FAX 852 510 9436 FAX 414 382 2400 FAX 31 2975 60222 Publication 2750 2 40 March 1991 Supersedes Publication 2750 2 39 Dated May 1990 Supersedes Publication 2750 2 17 Dated April 1988 Supersedes Publication 2750 2 16 Dated May 1987 ee
10. smit and receive antennas in the main body The integrated antennas have a 360 polarization The face of the tag can be in any degree of rotation with respect to the antenna and still communicate Remote Antennas Catalog No 2750 ASD AHD ASPR AHPR With this style of antenna a remote head connects to the main body using a 10 foot 3 05 meter coaxial cable The remote antennas have a linear polarization The face of the tag can rotate up to 25 with respect to the remote antenna head and still communicate The remote antennas require the following hardware Two 10 foot 3 05 m coaxial cables Catalog No 2750 C1 connect the antenna body to the remote head Remote antenna head with RX and TX connectors The remote antennas are particularly useful for applications where space limitations are a concern The remote and integrated antennas of the 2750 AS family support RS 232 422 communications The same antennas in the 2750 AH family support RS 485 communications The remote antennas are available with a short or long range reading capability Note The RS 485 physical link is implemented using the Allen Bradley DH 485 protocol Product Data Bulletin 2750 Intelligent Antennas Operating Antennas in a DH 485 Network The 2750 AH Series of Antennas Catalog No 2750 AH AHP AHD AHPR operate in a DH 485 network with the Flexible Interface Module Catalog No 2760 RB and the DH 485 Protocol Cartridge C
11. the programmable tags at a stationary offline location Table 1 shows the tags that operate with each antenna Table 1 Antenna Catalog No Radio Frequency RF Tags Type Catalog No 2750 TFAW2K hia 2750 TFAW8K 2750 TAU40 Read Only Operations TSHU40 TFAU40 Read Write Programmable and Read Only Operations 2750 TFAW2K 2750 TFAW8K 2750 TAU40 Operating parameters and status checks are user programmable using antenna commands Diagnostic LED indicators on the device also provide a visual indication of operating status 2750 AS AH ASD AHD 2750 ASP AHP ASPR AHPR TSHU40 TFAU4O You can install the antennas in a wide range of industrial environments Housed in a die cast aluminum enclosure the antennas meet NEMA Type 4 enclosure standards The antennas transmit data at a frequency of 915 MHz and receive data at a a2 frequency of 1830 MHz The 2750 AS AH ASD and AHD antennas meet the required Federal Communications Commission FCC Part 15 regulations and require no site license The 2750 ASP AHP ASPR and AHPR antennas require an FCC Part 90 approved site license for operation Product Data Bulletin 2750 Intelligent Antennas Integrated or Remote Style The Intelligent Antennas are available in two styles integrated and remote Integrated Antennas Catalog No 2750 AS AH ASP AHP This style of antenna contains the circuitry tran
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