Agilent Technologies RS-232 Instruction Manual Download

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RAFT

vacuum technologies

RS-232 and RS-485

Options for the

senTorr™ Gauge

Controller

Manual No.699908170

Revision B

May 2004

INSTRUCTION MANUAL

Summary of Contents for RS-232

Page 1: ...D R A F T vacuum technologies RS 232 and RS 485 Options for the senTorr Gauge Controller Manual No 699908170 Revision B May 2004 INSTRUCTION MANUAL ...

Page 3: ...rson including representatives of Seller which are inconsistent or in conflict with the terms of this warranty shall not be binding upon Seller unless reduced to writing and approved by an officer of Seller Warranty Replacement and Adjustment All claims under warranty must be made promptly after occurrence of circumstances giving rise thereto and must be received within the applicable warranty per...

Page 4: ...RS 232 and RS 485 Options for the senTorr Gauge Controller This page intentionally left blank D R A F T ...

Page 5: ...arnings xiii EN 55022 Class A Warning xiii FCC xiii RS 232 and RS 485 Options 1 1 Board Configurations 1 1 RS 232 standard version 1 1 RS 485 1 1 Installation 1 2 Operation 1 6 Setting Baud Rate and Address 1 6 Command Syntax and Definitions 1 7 Request for Return Health and Safety Certification Sales and Service Offices ...

Page 6: ...RS 232 and RS 485 Options for the senTorr Gauge Controller This page intentionally left blank ...

Page 7: ...RS 232 and RS 485 Options for the senTorr Gauge Controller vii List of Figures Figure Caption Page 1 1 Installing the Serial Communication Board 1 2 1 2 Pin Connections 1 5 ...

Page 8: ...RS 232 and RS 485 Options for the senTorr Gauge Controller This page intentionally left blank ...

Page 9: ...Gauge Configuration Key Entries 1 1 1 2 RS 485 Selection 1 3 1 3 RS 485 Terminating Resistance Selection 1 3 1 4 RS 232 Signal Communications 1 4 1 5 RS 232 Null Modem or Standard Selection 1 4 1 6 RS 485 Signal Connections for Daisy Chaining 1 5 1 7 Setpoint Numbering 1 7 1 8 Serial Command Set 1 8 ...

Page 10: ...RS 232 and RS 485 Options for the senTorr Gauge Controller This page intentionally left blank ...

Page 11: ... übereinstimmt auquel se réfère cette déclaration est conforme à la auz norme s ou au x document s normatif s al que se refiere esta declaración es conforme a la s norma s u otro s documento s normativo s waamaar deze verklaring verwijst aan de volende norm en of richtlijn en beantwoodt a cui se rifersce questa dichiarazione è conforme alla e sequente I norma o documento I normativo i Frederick C ...

Page 12: ...mation This product must only be operated and maintained by trained personnel Before operating or servicing equipment read and thoroughly understand all operation maintenance manuals provided by Vacuum Technologies Be aware of the hazards associated with this equipment know how to recognize potentially hazardous conditions and how to avoid them Read carefully and strictly observe all cautions and ...

Page 13: ...gned to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is also likely to cause harm...

Page 14: ...RS 232 and RS 485 Options for the senTorr Gauge Controller This page intentionally left blank D R A F T ...

Page 15: ... in null modem capability is used to simplify the cable connection to the host system The senTorr outputs 9 V for an asserted logic 0 level and 9 V for an unasserted logic 1 level The input signals to senTorr must be between 2 4 V and 30 V for an asserted level and 8 V and 30 V for an unasserted level Maximum cable length is 50 15 24 m RS 485 The RS 485 board employs differential line drivers and ...

Page 16: ...rt ground pin to the system ground to help break ground loops To configure and install the board 1 Ensure that the line cord is unplugged 2 Open the unit by removing the two screws at the top rear of the unit pivot the cover up and back to disengage the front lip and lift off the cover 3 Remove the blank plastic cover from the rear panel Figure 1 1 Save the two small screws for attaching the cover...

Page 17: ...rd is configured as ordered A differential terminating resistance of 220 Ohms can be switched into the two wire pairs The factory setting is unterminated Table 1 3 Table 1 2 RS 485 Selection Switch Number RS 485 SW1 1 closed SW1 2 open SW1 7 closed SW1 8 open Table 1 3 RS 485 Terminating Resistance Selection Switch Number Number Terminating Resistance 220 Ohm Terminating Resistance SW1 3 open clos...

Page 18: ...is for the null modem mode Table 1 4 RS 232 Signal Communications Signal Null Modem Pin Standard Pin Description Gnd 5 5 Signal Ground TXD 3 2 Transmitted Data RXD 2 3 Received Data RTS 8 7 Request To Send CTS 7 8 Clear To Send DTR 4 4 Data Terminal Ready Table 1 5 RS 232 Null Modem or Standard Selection Switch Number Null Modem Setting Standard Setting SW1 1 closed open SW1 2 open closed SW1 3 cl...

Page 19: ...cannot guarantee compliance with FCC regulations for radiated emissions unless all external wiring is shielded There are two shielded mini DIN connectors to facilitate connections to the rest of the network These are in parallel and permit easy daisy chaining of multiple units The connections are listed in Table 1 6 and are shown in Figure 1 2 Figure 1 2 Pin Connections Table 1 6 RS 485 Signal Con...

Page 20: ...mmand Any bytes sent during that time overwrite each other If a response is expected the host waits to receive the response before starting the next command While senTorr tolerates high speed communications the application does not tie up senTorr with incessant strings of commands so it can process pressure data from the gauge channels Setting Baud Rate and Address The BAUD RATE key is used to dis...

Page 21: ...rn The response format is optional data carriage return The senTorr sends FF as a response if the command or data is invalid or if the command length is incorrect There is no response to a parity error wrong address or lack of termination character The senTorr commands are based on the front panel keypad functions The optional data bytes used in the commands indicate the gauge on which the command...

Page 22: ...rriage return Table 1 8 Serial Command Set Function Command Response Read senTorr configuration aa01t hhhhhhhhhht where the card id codes are 20 BA configured for Broad range gauges 30 BA configured for standard Bayard Alpert gauges 38 Cold cathode 40 Thermocouple board 50 Setpoint FE Empty slot Read gauge pressure aa02cnt x xxxE xxt Read Setpoint State aa03t 00hht where hh bits 0 3represent setpo...

Page 23: ...play Set pressure units to Torr aa10t t Set pressure units to mBar aa11t t Read pressure units aa13t hht where hh 00 is Torr hh 01 is mBar Set key pad lock OFF aa20t t Set keypad lock ON aa21t t Read keypad lock status aa22t hht where hh 00 is unlocked hh 01 is locked hh is a partial lock Set Partial keypad lock aa23t t Set Emission OFF aa30lnt t Set Emission ON aa31lnt t Read Emission status aa32...

Page 24: ...tpoint relay number 1 4 t Set Setpoint hysteresis level aa7hcnx xxxE xxt where h is the setpoint relay number 1 4 t Read Setpoint pressure level aa8ht where h is the setpoint number 1 4 x xxxE xxt Read Setpoint hysteresis level aa9ht where h is the set point number 1 4 x xxxE xxt Set Thermocouple Cal aaA1Tnt t Set Thermocouple Update Rate to Slow standard aaA7t t Set Thermocouple Update Rate to Fa...

Page 25: ...F lli Varian 54 10040 Leini TO ITALY Fax 39 011 997 9350 Varian Vacuum Technologies Local Office For a complete list of phone fax numbers see www varianinc com vacuum Do not write below this line Notification RA Customer ID Equipment CUSTOMER INFORMATION Company name Contact person Name Tel Fax E mail Ship method Shipping Collect P O Europe only VAT Reg Number USA only Taxable Non taxable Customer...

Page 26: ...Message Bad feedthrough Poor vacuum Main seal leak Bellows leak Vacuum leak High voltage problem Solenoid failure Damaged flange Error code on display Other Damaged sealing area Other Describe failure Describe failure Customer application Customer application Cannot calibrate No zero high background Gauge tube not working Display problem Vacuum system unstable Cannot reach test mode Communication ...

Page 27: ......

Page 28: ...Italy Tel 39 011 997 9 111 Fax 39 011 997 9 350 Japan Varian Vacuum Technologies Sumitomo Shibaura Building 8th Floor 4 16 36 Shibaura Minato ku Tokyo 108 Japan Tel 81 3 5232 1253 Fax 81 3 5232 1263 Korea Varian Technologies Korea Ltd Shinsa 2nd Building 2F 966 5 Daechi dong Kangnam gu Seoul Korea 135 280 Tel 82 2 3452 2452 Fax 82 2 3452 2451 Mexico Varian S A Concepcion Beistegui No 109 Col Del V...

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