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8 

3.1.3

 

ID EEPROM 

 
The  EEPROM  holds  sixty-four  16-bit  words  of  M-Module  ID  data  and  VXI  M-Module  data.  
Refer Section 3.2.3 for more details. 
 
3.1.4

 

Row and Column Drivers 

 
The module uses a matrix drive scheme (rows and columns) in which a maximum of four of the 
relays  (one  row)  can  be  operated  at  any  one  time.   An on-board timer (part of Module Control 
block) ensures the relay coils have been driven long enough for the contacts to move and settle.  

The  Row  Driver  block  translates  the  ROW_SET(4:1)  and  ROW_RESET(4:1)  command  lines 
from  the  Module  Control  block  into  bipolar  and  tri-state  capable  buffered  drive  signals.    The 
ROW_DR(4:1)

 

signals provide either current source from the +5VDR supply (relay set), current 

sink to ground (relay reset), or tri-stated output (both current-source and current-sink off).  Each 
output is tri-stated whenever that particular row is not being driven.  

The Column Driver block translates the COL(4:1)

 

command lines from Module Control into the 

bipolar  buffered  drive  signals,  COL_DR(4:1).  The COL_DR(4:1) signals provide either current 
source from the +5VDR

 

supply (relay reset) or current sink to ground (relay set).  

3.1.5

 

Driver Power Switch 

 
This block removes all power from the Row and Column Driver circuitry except when needed to 
move relays.  This FET switch is open at power-up to prevent any relay contact movement until 
register writes cause drive-power to be applied.  

3.1.7  Relay Coils 
 
This block contains the 16 relay coils arranged as a 4x4 matrix.  To close a relay, a ROW_DR line 
sources current while a COL_DR line sinks current to ground.  To open a relay, a COL_DR line 
sources current while a ROW_DR line sinks current to ground.  Refer to Figure 3 for switching 
schematic.  

3.1.8  Reset and Power Conditioning 
 
This  block  filters  +5V  power  to  produce  VCC  power  (+5V)  for  logic  and  isolates  the  various 
grounds  used  by  the  module.    This  block  also  processes  the  /RESET  signal  from  the  Carrier 
Interface and monitors power to produce the /RST reset signal for the module.  

 

 

C&H Technologies, Inc. <> 445 Round Rock West Drive <> Round Rock, Texas  78681 <> www.chtech.com

Содержание M 2 2 0

Страница 1: ...0 F O R M E R L Y H P E 2 2 7 2 A U S E R S M A N U A L D U A L 8 X 1 M U L T I P L E X E R M M O D U L E Document Part No 11029554 C H Technologies Inc 445 Round Rock West Drive Round Rock Texas 7868...

Страница 2: ...Hewlett Packard Agilent User Manual s with their expressed written permission The information and or drawings set forth in this document and all rights in and to inventions disclosed herein which mig...

Страница 3: ...mendments to the manual If any amendments are provided for this manual they are printed on colored paper and will be provided with the module and manual Manual updates may also be found on out web sit...

Страница 4: ...ailable in many formats such as Ethernet VME VXI PXI cPCI and the PC Contained within this manual are the physical and electrical specifications installation and startup procedures functional descript...

Страница 5: ...RESHIPMENT 6 3 0 FUNCTIONAL DESCRIPTION 7 3 1 OVERVIEW 7 3 1 1 M Module Interface 7 3 1 2 Module Control 7 3 1 3 ID EEPROM 8 3 1 4 Row and Column Drivers 8 3 1 5 Driver Power Switch 8 3 2 IDENTIFICAT...

Страница 6: ...Figure 4 Jumper Positions 10 Figure 5 I O Registers 12 Figure A 1 Front Panel I O Signals A 1 LIST OF TABLES Table I Specifications 2 Table II I O Address Map Command Summary 11 Table III M MA Module...

Страница 7: ...between test points instrumentation factory automation and test fixtures CAUTION This module uses latching relays that retain their last programmed state whenever power is removed closed relays will r...

Страница 8: ...A A peak A A peak Power Per Switch DC Per Switch AC 16 to 1 Per Module DC 16 to 1 Per Module AC 8 to 1 Per Module DC 8 to 1 Per Module AC 50 50 50 50 100 100 W VA W VA W VA Thermal Offset 3 typ V RESI...

Страница 9: ...A not supported Triggers not supported Identification IDENT Manufacturer ID 0FFF16 See note below Model Number 068816 VXI Model Number 025D16 Note C H obtained the manufacturing rights from Hewlett Pa...

Страница 10: ...4 C H Technologies Inc 445 Round Rock West Drive Round Rock Texas 78681 www chtech com...

Страница 11: ...static controlled workstation whenever possible At a minimum avoid work areas that are potential static sources such as carpeted areas Avoid unnecessary contact with the components on the module 2 3 I...

Страница 12: ...ling the bag keep trapped air volume to a minimum The shipping container should be a rigid box of sufficient size and strength to protect the equipment from damage If the module was received separatel...

Страница 13: ...ntrol VCC DGND RST ROM ID EEPROM Figure 2 M220 Functional Block Diagram 3 1 1 M Module Interface The M Module Interface allows communication between the M220 and the carrier module The interface is an...

Страница 14: ...rom Module Control into the bipolar buffered drive signals COL_DR 4 1 The COL_DR 4 1 signals provide either current source from the 5VDR supply relay reset or current sink to ground relay set 3 1 5 Dr...

Страница 15: ...CH13_HI 14 CH13_LO 30 CH14_HI 44 CH14_LO 43 CH15_HI 42 CH15_LO 8 MUXB_HI_COM 24 MUXB_LO_COM Channel 8 Channel 9 Channel 10 Channel 11 Channel 12 Channel 13 Channel 14 Channel 15 Channel 0 Channel 1 Ch...

Страница 16: ...jumper connecting all pins the module is configured as a single 16 to 1 multiplexer The M220 leaves the factory with the jumper placed in position A dual 8 to 1 multiplexer If you need to change this...

Страница 17: ...gister Y N 00h Status Register Read Only N 02h Control Register Read Write N 04h 0Eh Reserved NA N 10h Row 0 Set Register Read Write Y 12h Row 0 Reset Register Read Write Y 14h Row 1 Set Register Read...

Страница 18: ...iguration of the jumper Reg 02 Control Bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Write Reserved TM DPE STE INTE RST Read Reserved TM DPE STE INTE RST TM Timer Mode proper operation is guaranteed only...

Страница 19: ...1 R2C0 Reg 1C Row 3 Set Register Bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Write Unused R3C3 R3C2 R3C1 R3C0 Read Unused R3C3 R3C2 R3C1 R3C0 Reg 1E Row 1 Reset Register Bit 15 14 13 12 11 10 9 8 7 6 5...

Страница 20: ...Number 1 0002 3 Module Characteristics 2 0868 4 7 Reserved 0000 8 15 M Module Specific 0000 16 VXI Sync Code ACBA 17 VXI ID 0FFF 3 18 VXI Device Type 3 F25D M220 19 31 Reserved 0000 32 63 M Module Sp...

Страница 21: ...FIFO see note below then the module asserts an interrupt only after the completion of the fourth operation Note The module asserts an interrupt after the relay drive time is complete relay drive time...

Страница 22: ...To guarantee break before make relay operation write to the Row n Reset registers before writing to the Row n Set registers 2 It is important to use the FIFO status bits when writing to the Row n Set...

Страница 23: ...s an interrupt only after the completion of the fourth operation Note The module asserts an interrupt after the relay drive time is complete relay drive timer and no other operations have been stored...

Страница 24: ...18 C H Technologies Inc 445 Round Rock West Drive Round Rock Texas 78681 www chtech com...

Страница 25: ...non inductive that may be applied to the M220 is Per Switch 2 ADC 2 AAC peak Per Module 8 ADC 8 AAC peak Pin Use Pin Use Pin Use 1 CH0_HI 16 CH3_HI 31 CH3_LO 2 CH0_LO 17 CH2_HI 32 CH2_LO 3 CH7_LO 18...

Страница 26: ...A 2 C H Technologies Inc 445 Round Rock West Drive Round Rock Texas 78681 www chtech com...

Страница 27: ...N O T E S C H Technologies Inc 445 Round Rock West Drive Round Rock Texas 78681 www chtech com...

Страница 28: ...C H Technologies Inc 445 Round Rock West Drive Round Rock Texas 78681 www chtech com...

Страница 29: ...oever You may of course continue to use the information which you supply Please refrain from using this form for technical questions or for requests for additional publications this will only delay th...

Страница 30: ...r or not your comments were being incorporated NOTE This form may not be used to request copies of documents or to request waivers deviations or clarification of specification requirements on current...

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