Patton electronics 590A User Manual

Rs-232 to rs-232 optical isolators

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Part # 07M59XA-C
Doc. # 055061UB
Revised 7/5/01
C E R T I F I E D
An ISO-9001
Certified
Company
USER
MANUAL
MODEL 590A and
MODEL 591A
RS-232 to RS-232
Optical Isolators
SALES OFFICE
(301) 975-1000
TECHNICAL SUPPORT
(301) 975-1007

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Summary of Contents for Patton electronics 590A

  • Page 1 USER MANUAL MODEL 590A and MODEL 591A RS-232 to RS-232 Optical Isolators Part # 07M59XA-C SALES OFFICE Doc. # 055061UB (301) 975-1000 Revised 7/5/01 TECHNICAL SUPPORT (301) 975-1007 C E R T I F I E D An ISO-9001 Certified...
  • Page 2: Table Of Contents

    A.5 Isolation ..................11 A.6 Power Supply ................11 A.7 Compliance ................. 11 A.8 Dimensions ................. 11 A.9 Temperature Range ..............11 A.10 Altitude ..................11 A.11 Weight ..................11 A.12 Humidity ..................11 Model 590A/591A Pin Assignments ......... 12...
  • Page 3: Warranty Information

    1.0 WARRANTY INFORMATION Patton Electronics warrants all Model 590A/591A components to be free from defects, and will—at our option—repair or replace the product should it fail within one year from the first date of shipment. This warranty is limited to defects in workmanship or materials, and does not cover customer damage, abuse or unauthorized modification.
  • Page 4: Service

    Packages received without an RMA number will not be accepted. Patton Electronics’ technical staff is also available to answer any ques- tions that might arise concerning the installation or use of your Model 590A/591A. Technical Service hours: 8AM to 5PM EST, Monday through Friday.
  • Page 5: General Information

    Patton Electronics Technical Support at (301) 975-1007. 2.1 FEATURES • Asynchronous • Full or Half Duplex Operation • Supports Data Rates to 19.2 kbps (Model 590A) or 115.2 kbps (Model 591A) • 2500V RMS DTE-DCE Isolation • Optional Power Supplied through Pin 9 on Either Side •...
  • Page 6: Configuration

    (3) RD Control Signals*: DTR/RTS, and CD/DSR/CTS The Model 590A/591A passes one control signal in each direction. There it allows you to use it in applications that require hardware flow control. You may select either DTR or RTS in one direction, and CD, DSR or CTS...
  • Page 7: Setting The Internal Switches

    *NOTE: Default control signals are shown above in bold italics 3.2 SETTING THE INTERNAL SWITCHES All switches and jumpers are located on the top side of the Model 590A or Model 591A PC board. To access the PC board, open the case by inserting a small flat-blade screwdriver in the slot on either side of the...
  • Page 8: Selecting The Dte Output Signals (Dtr Or Rts)

    The two sets of DIP switches on the underside of the Model 590A/591A will be referred to as S1 and S2. Figure 2 shows the orientation of DIP Switches S1 and S2 with respect to “ON” and “OFF” positions. Figure 2. Close-up of DIP Switches Showing ON/OFF Positions...
  • Page 9: Selecting The Dce Output Signals (Cts, Dsr, Or Cd)

    Clear to Send (CTS - pin 5), Data Set Ready (DSR - pin 6), or Carrier Detect (CD - pin 8. In the “Isolated” setting, the selected signal passes through Model 590A/591A isolated up to 2500VRMS. Table 3: Connect CTS signal (Pin 5)
  • Page 10: Installation

    “DCE” Figure 3. Model 590A/591A DTE and DCE connector locations 1. Plug the DB-25 female connector labeled “DCE” of Model 590A or 591A directly into the DB-25 male RS-232 port on your DTE device (PC, terminal, host, etc.). If your DTE device has a connector other than a male DB-25, or if you need greater distance from the RS-232 interface, use straight through cable.
  • Page 11: Model 590A/591A Specifications

    A.2 INTERFACE STANDARD EIA RS-232-E A.3 CONNECTORS Two DB-25 Female A.4 DATA RATES • Up to 19,200 bps (Model 590A) • Up to 115.200 bps(Model 591A) A.5 ISOLATION 2500VRMS A.6 POWER SUPPLY Interface Powered; Optional power supplied to pin 9 (either side) at +9 VDC at 10mA A.7 COMPLIANCE...
  • Page 12: Model 590A/591A Pin Assignments

    APPENDIX B MODEL 590A/591A PIN ASSIGNMENTS DIRECTION RS-232 Female “DCE” SETTING DIRECTION 1- (FG) Frame Ground 2- (TD) Transmit Data To Model 59XA 3- (RD) Receive Data From Model 59XA 4- (RTS) Request to Send To Model 59XA 5- (CTS) Clear to Send...

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591a

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