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Mercury 2+ Operator Terminal User Manual

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Summary of Contents for 2+

Page 1: ...Mercury 2 Mercury 2 Operator Terminal User Manual ...

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Page 3: ...ch may be unplugged Only the type bearing the certificate number Sira 02ATEX2297X may be used 4 The bar code wand does not meet the 500 V insulation requirements This shall be taken into account when the equipment is being installed 5 The user shall take account of the fact that the equipment has been assessed assuming a low risk of impact in service 6 The bar code wand shall not be used in the pr...

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Page 5: ...l 44 0 1653 697 200 Fax 44 0 8700 667 325 Email sales mercuryHMI co uk Web www mercuryHMI co uk All trademarks are acknowledged as the property of their respective owners This document shall not form part of any contract Specifications are subject to change without notice and Mercury HMI Ltd accepts no liability of any kind for errors or omissions ...

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Page 7: ...s 110317 17 Mar 11 Changed to Mercury HMI Added Special conditions of use 2014r0 11 Nov 14 Re written in Scribus Fix various typos Updated C Multidrop ID Added extra Setup options Added extra information regarding twisted pair cable usage Updated paint type Removed cabling parameters see R507 manual Added Firmware Upgrade 2019r0 1 Mar 19 Removed any reference to dust approvals Added R507A Interfac...

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Page 9: ...chnical Specification 45 Appendix A References 49 Appendix B Multi drop Mode 51 Appendix C Mercury 2 Terminal Wiring Schedule 55 Appendix D R507 R507A I S Interface Module Wiring Schedule 57 Appendix E Communication with the R507 R507A Interface Module 59 Appendix F Wiring Diagrams 63 Appendix G Modbus Operation 73 Appendix H Firmware Upgrades 81 ...

Page 10: ...2019r0 Page 10 of 82 Mercury 2 Operator Terminal User Manual Mercury 2 Terminal With Proximity Card Reader ...

Page 11: ...high contrast back lit liquid crystal display a tactile alphanumeric keypad dedicated socket for an optional reader and external digital inputs and outputs Communications use standard 7 or 8 bit ASCII characters and transmit inputs from the keypad or data from a security card reader The Mercury 2 terminal and IS interface module may also be used in any non hazardous industrial location where the a...

Page 12: ... codes Hexadecimal 00 1F 20 and 7F are indicated by enclosure in for example ESC Character strings which are indivisible sequences are shown between quotation marks for example ESC 2 J In the ASCII 7 and 8 bit code sets used by Mercury 2 a character is represented by two digits each in the range hexadecimal 0 to F For example SP the space character is defined 20H ...

Page 13: ...e removable front panel and is secured by four M5 stainless Steel cap head bolts The binary number contained on the customer card is read when the card is presented to the card reader and the information is made available to the host computer for a system response Earlier versions of the Mercury 2 Terminals were approved for Dust Hazards newer units are not Check the ATEX Label For your safety rem...

Page 14: ...2019r0 Page 14 of 82 Mercury 2 Operator Terminal User Manual Mounting the Mercury 2 Terminal ...

Page 15: ... surface on which it is to be mounted at the correct position and height for operator use and mark the position of the four mounting holes using the dimensions given see Fig 2 Drill and plug if necessary the mounting holes on the mounting surface 4 Place the Terminal against the mounting surface and secure the Terminal using four off M5 cap head screws 26 mm shank or similar 5 To avoid electro che...

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Page 17: ...lated Mount the IS interface module on to a DIN standard DIN 46277 35mm transverse symmetrical rail For the complete inter connection diagram see Appendix F The inter connection cable between the safe area IS Interface Module and the hazard area Mercury 2 Terminal requires four cores which may be either two twisted pairs or a quad Where a quad is used diagonally opposite cores should be paired to ...

Page 18: ...2019r0 Page 18 of 82 Mercury 2 Operator Terminal User Manual Fig 3 I S Interface Module ...

Page 19: ...l block J5 pins 1 to 4 The cable screen is connected to pin 5 The Mercury 2 has a Simple Equipment Interface to both Digital Inputs and Digital Outputs The Digital inputs on J2 are whetted and can supply 2 1mA to the Simple Apparatus Switch This could be a reed relay or a NAMUR style proximity Switch J2 Pins 1 2 3 4 5 6 Uo 29 4 V Li 0 Io 66 4 mA Ci 0 Po 262 mW Lo Ro 135 μH Ώ Co 71 nF Li 0 The conn...

Page 20: ...J4 pins 1 and 2 The current is typically 45mA The serial data connections utilise J5 as follows J5 Pin No IS Use RS232 RS422 1 TX1 TX TX 2 TX2 TX 3 RX1 RX RX 4 RX2 RX 5 Screen Screen Screen When the Mercury 2 is used in RS485 mode the TX and RX should be connected together and the TX and RX should be connected together Ensure that the Mercury 2 is set to Multi drop mode Unscrew the cap head bolts ...

Page 21: ...ester These may be cleaned with soapy water Difficult grease deposits may be treated with most solvents In a hazardous area avoid rubbing dry plastic surfaces with cleaning cloths as there is a small spark hazard by triboelectric charge generation This risk can be overcome by using moist cleaning processes The keypad carries a reminder of this risk Cleaning the Mercury Terminal ...

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Page 23: ...s may be a string of text or an escape sequence to set keyboard mode Point to Point Mode The single Terminal dumb mode is the default mode of operation with simple transmission of characters to the host computer on key press and display of received characterson the LCD Multi drop Mode Up to fifteen Mercury terminals can be installed on a single multi drop operation Modbus Mode The Mercury terminal...

Page 24: ...e Press ENTER and the selected options are entered into non volatile memory Parameters and options available are listed in Table 1 and described below Default settings on cold start appear in bold Performing a cold start will restore all default settings and erase any stored messages A Cold Start can be performed in one of three ways 1 Power on holding down the two leftmost and two rightmost keys ...

Page 25: ...Proximity Byte Count Proximity Truncate Barcode Proximity Data Options 1200 2400 4800 9600 19200 38400 56700 115200 8N1 8N2 8O1 8E1 8M1 8S1 7N1 7N2 7O1 7O2 7E1 7E2 7M1 7M2 7S1 7S2 Enabled Disabled Enabled Disabled 0 05s 0 1s 0 2s 0 4s 0 8s 1 0s 1 to 3 Stars to Off 70ms Enabled Disabled 1 to 15 Point to Point Multi drop Modbus Enabled Disabled Full Stop Comma Indicates Version Number BS F8 BS DEL N...

Page 26: ...enter a matching code at the keypad to access Set up configuration Telemetry Modes In multi drop or Modbus mode the host computer the master device transmits strings and commands to its population of Mercury 2 Terminals slave devices with an address data and message terminator structure Telemetry Address When Multi drop or Modbus is enabled a unique Telemetry Address must be set for each Mercury 2...

Page 27: ...mity card to be adjusted to suit the user s requirements When set to 00 the default all data from the card is used When set to any other value that number of bytes will be sent back to the host whenever a card is read The card data will be truncated or padded with zeros to accomodate the requuired setting Proximity Truncate Used in conjunction with the Proximity Byte Count this option specifies wh...

Page 28: ... the screen The characters are displayed in current screen mode and at current cursor coordinates so the screen display should be set to the appropriate mode before Local Echo is set Local Echo toggles on and off by pressing F1 or START BATCH 1 on the terminal automation keyboard when in Setup In Local Echo mode the terminal continues to communicate with the host Press ENTER to return to normal se...

Page 29: ... numeric command symbols in larger type and alphabet keys in smaller type Liquid Crystal Display Operation Keypad Fig 4 Standard Keypad Layout Keyboard Modes There are three keyboard modes Uppercase characters U Lowercase characters L and Numeric Command N The current keyboard mode U L or N is shown in the bottom right corner of the LCD Note that certain keypad types may not support all keyboard m...

Page 30: ... v 76H SHIFT w 77H x 78H y 79H 2 7AH SP 20H ENTER 0DH Numeric F1 1B 4F 50H F2 1B 4F 51H F3 1B 4F 52H F4 1B 4F 53H F5 1B 5B 31 37 7EH F6 1B 5B 31 38 7EH 7 37H 8 38H 9 39H 2BH 2DH F7 1B 5B 31 39 7EH 4 34H 5 35H 6 36H 2AH 2FH F8 1B 5B 32 30 7EH or BS 08H 1 31H 2 32H 3 33H 1B 5B 41H 3DH SHIFT 0 30H 2EH or 2CH 1B 5B 44H 1B 5B 42H 1B 5B 43H ENTER 0DH A F1 B F2 C F3 D F4 E F5 F F6 G 7 H 8 I 9 J K L F7 M ...

Page 31: ...peration of the terminal and so are not displayed The next 128 codes are displayable on the LCD except for DEL 7FH The codes used in 8 bit transmission 00H to 9FH with their respective Hexadecimal values and standard ASCII names are given in Table 3 In 8 bit mode Hexadecimal A0H to FFH are available for users to download as customised characters Receiving Data Character Display Mode Table 3 Standa...

Page 32: ...t the following string should be considered together Escape Sequence Table 4 Control Character Actions Character String NUL SOH EOT ENQ ACK HT SO SI DLE DC2 DC4 NAK SYN ETB EM SUB FS GS RS US STX ETX BEL BS LF VT FF CR DC1 DC3 CAN ESC EM IND DEL 7FH Action These characters terminate escape sequences and are not displayed Codes to start and stop blocks Sounds Beeper Back Space Line feed Carriage Re...

Page 33: ...r Display Mode Make Cursor Visible Make Cursor Invisible Move Cursor New Line Cursor Down Cursor Up Save Cursor Position Restore Cursor Position Home Cursor 1 1 Top Left Character String ESC 2 J on enabled screens ESC K ESC 2 z ESC 3 z ESC 25 h Text mode only ESC 25 1 Text mode only ESC Pr Pc H ESC Pr Pc f F W 4v47 ESC E ESC D ESC M ESC 7 Text mode only ESC 8 Text mode only ESC 6 1 Pr and Pc defin...

Page 34: ...de Set Keypad to Lower Case Mode Enable bar code in one shot mode Disable bar code Enable bar code Enable card reader in one shot mode Disable card reader Enable card reader Redefine STX character Redefine ETX character where p is a single character to be defined Restrict keyboard to U and N modes Allow keyboard U N and L modes Revert function of FF character to line feed Change function of FF cha...

Page 35: ...Keyboard Mode Selection Pin Number Disable Keyboard Enable Keyboard ESC 2 h ESC 2 l Using SHIFT key to change the keyboard mode can be disabled re enabled from the host computer by transmitting the escape sequence Disable Shift Key Enable Shift Key ESC 13 z ESC 12 z With the standard keyboard the set up menu however can be entered as before by pressing SHIFT four times then ENTER For other keyboar...

Page 36: ...ined character data Redefine a Function key or ENTER with up to 8 ASCII characters placed in the following sequence at data ESC 23 Pn z data EM Pn is the number of the key being redefined Numbers 1 to 8 redefine F1 to F8 respectively and 9 redefines ENTER The digital outputs can be individually controlled Each output can be turned on or off or set to toggle its current setting for a period of time...

Page 37: ...er messages On transmission to the Mercury messages are stored temporarily in Static Random Access Memory SRAM A message may be recalled as often as required but it is lost if the power is removed from the Mercury 2 Terminal If the command Store to NVRAM is sent after the message then the contents of the SRAM are copied to the Non Volatile RAM NVRAM to ensure preservation in case of power failure ...

Page 38: ...ed from the Mercury 2 terminal this is always D 44H and R 52H for messages received by the Mercury 2 terminal Identifies source of data from a single byte B 42H data from Wiegand Security Card swipe C 43H data from Proximity Card reading E 45H data from Digital Input read Other ID codes are available in Multi drop mode see page 40 Information being sent from the identified source data from Securit...

Page 39: ... host computer transmitting a Clear Screen escape sequence in Multi drop mode lines 1 to 7 of the Screen are cleared Line 8 is not affected On Line 8 an alpha numeric key press causes the character to appear on the bottom line of the screen at column 6 Up to 30 characters can be composed into a message To edit use the backspace key BS F8 in Numeric mode When complete press ENTER to queue the messa...

Page 40: ...1H block from operator keyboard entry D 44H block from keyboard function key Fl to F8 Format differs slightly for sending or receiving data blocks Block data received by the Mercury 2 can be up to 128 bytes long containing visible characters and escape sequences Block data transmitted by the Mercury 2 includes one of the above ID bytes or the Multi drop Acknowledge block see Setup menu on page 25 ...

Page 41: ...ates are defined by the byte number and row number calculated from the top left corner of the display With one byte equating to 6 pixels simple or bitmap images are positioned horizontally from the 6 pixel boundaries Graphics may be downloaded as a bit map image from off line Graphics Converter Software available from Mercury HMI Ltd or designed directly on the display Each tile is individually ac...

Page 42: ...tra wide character needed to satisfy certain metrological regulations Note Selecting either standard or larger character size automatically places the Mercury into character display mode Pr and Pc define the tile to which the cursor should move being respectively row and column numerals in ASCII code Tile row 1 is the top of the screen and tile row 64 is the bottom so Pr refers to the row location...

Page 43: ...ocated at 0 0 To draw a solid box use one of the following sequences Solid black box ESC 18 2 x1 y1 x2 y2 z Solid white box ESC 18 3 x1 y1 x2 y2 z where x1 pixel number and y1 row number give the pixel coordinates of the start of the line and x2 y2 give the pixel coordinates of the end of the box When downloading a graphics bitmap image enter the position and size of the image in the following seq...

Page 44: ...ed by a beep In point to point mode transmission to the host computer is immediate In multi drop mode the data is stored in the output buffer The message format is determined by the byte structure setting selected during set up and comprises an escape prefix function code data and return For sequences controlling the card reader see page 34 Optional Equipment ...

Page 45: ...ming 2560 tiles Character cell height 4 2 mm or 12 7 mm Sealed membrane switches Polyester outer layer with tactile response Damp wipeable for clean sterile environments 30 keys including 8 functions Option for Audible sounder via membrane selected in Setup Upper Case U Lower case L Numeric Command N 3 whetted inputs for external contacts or I S simple apparatus 2 Optically Isolated Open collector...

Page 46: ... a 1 if a contact is closed D1 Digital input 2 This bit is a 1 if a contact is closed D0 Digital input 1 This bit is a 1 if a contact is closed If the Digital Input is wired to a proximity switch 1 No Metal Present 0 Metal Present A 41H Operator key press B 42H Security Swipe Card C 43H Security Proximity Card D 44H Function key E 45H Digital Input F 46H Field Serial Input Maximum of 15 terminals ...

Page 47: ...ard Code Intrinsic Safety Reading Distance 125KHz RFID Proximity card reader 26 bit binary plus 2 parity bits is standard Card reader is certified for use with Mercury 2 Terminal Minimum of 10mm at reader Centre 20 C to 60 C 20 C to 70 C IP66 Standard Operating Temperature Storage Protection Environmental Conditions Performance Data Principle of Operation Card Code Intrinsic Safety Reading Distanc...

Page 48: ...ominal 80mA at 24V Not Required Incoming power and Comms are galvanically isolated from hazardous area RS232 RS422 and RS485 see Appendix E Mounted in safe area Epsilon 06ATEX2107 20 C to 60 C 40 C to 70 C 95 non condensing IP40 Safe Area Operating Temperature Storage Humidity Protection Location Environmental Conditions Height Width Depth Weight Material Colour IS Terminals IS Cabling Mounting Po...

Page 49: ...Mercury 2 Operator Terminal User Manual Page 49 of 82 2019r0 Appendix A 1 Hand Book of Reliability Data 4 British Telecom 2 BS EN 60079 25 2004 Equipment for potentially explosive atmospheres References ...

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Page 51: ...ore any transmission is made determine the destination terminal address This address is set manually in the Set up mode on the terminal and is a number between 1 and 15 The ADDR field is a two byte field So if the destination terminal address is 1 then the field must contain 01 FUNC The FUNC byte is a D 44H for messages transmitted from the Mercury 2 terminal and R 52H for messages received by the...

Page 52: ...ocess needs to be repeated with DMY 20H This results in a new checksum having the value 6BH which translates to the character k To transmit the word TEST to the terminal at address 01 the following string needs to be sent STX 0 1 R T E S T SP k ETX Using the format described above the Master sends a block to read the output buffer on a Mercury 2 terminal with Multi drop address 01 as follows STX 0...

Page 53: ...t up with Multi drop Acknowledge Enabled then the Mercury 2 terminal sends an Acknowledge Block back to the master It does this on receipt of a valid Block of matching address i e the Multi drop Protocol is correct and takes the form STX 0 1 D NUL Y ETX This string acknowledges that a message with the correct protocol ie FUNC CSUM etc has been received not that the message data is recognised So if...

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Page 55: ... Dig In 3 ve J2 6 DI3 Dig In 3 ve J3 Wiegand Swipe Card Reader J3 1 Coil Black Wiegand Reader J3 2 Coil Red Wiegand Reader J3 3 5V Wiegand Reader J3 4 Screen Wiegand Reader J4 Non I S External Power J4 1 24V Non I S Power J4 2 0V Non I S Power J5 I S interface module J5 1 Txl To R507 R507A Pin 16 J5 2 Tx2 To R507 R507A Pin 15 J5 3 Rxl To R507 R507A Pin 14 J5 4 Rx2 To R507 R507A Pin 13 J5 5 Screen ...

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Page 57: ...Safe Area RS422 TX to Host 4 Safe Area RS422 TX to Host 5 Safe Area 24 V Nom Supply 6 Safe Area 0V GND Nom Supply 7 Safe Area RS232 RX from Host 8 Safe Area RS232 TX to Host Field connections to Mercury 2 Pin No Area Usage Description 9 None Not Used 10 None Not Used 11 None Not Used 12 None Not Used 13 Hazard Area M2 J5 Pin No 4 RX2 14 Hazard Area M2 J5 Pin No 3 RX1 15 Hazard Area M2 J5 Pin No 2 ...

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Page 59: ... connect RS485 to the Interface Module the Tx and the Tx terminals should be paralleled with the Rx and Rx terminals respectively See Appendix D The transmitters require a high impedance state and a protocol to ensure that only one transmitter is allowed to drive the bus at any one time To avoid contention the transmitter is enabled in the marking state see Fig 5 Once a message has been completely...

Page 60: ...Host can now disable its transmitter and at time C the line returns to its Hi Z state The interval T2 is determined by the Host but it should be short enough to ensure that the bus is tri stated before the slave replies The interval T3 is the response time of the slave Mercury 2 which has a typical time of 20ms an absolute maximum time of 50ms and a minimum time of 10ms At time D the slave Mercury...

Page 61: ...Mercury 2 Operator Terminal User Manual Page 61 of 82 2019r0 Fig 5 Signal Levels on Multi Drop RS485 Lines ...

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Page 63: ...ple with Digital I O R054 020 Rev1 M2 with R507 using RS232 in Safe Area R054 021 Rev1 M2 with R507 using RS422 in Safe Area R054 022 Rev1 M2 with R507 using RS485 in Safe Area R054 023 M2 hook up with R007 barrier R054 024 Safe Area M2 using RS232 R054 025 Safe Area M2 using RS422 R054 026 Safe Area M2 using RS485 Wiring diagrams ...

Page 64: ...MMS PSU 1 2 3 4 5 6 DI1 DI1 DI2 DI2 DI3 DI3 J2 DIGIN 1 2 3 4 DO1 DO1 DO2 DO2 J1 DIGOUT 4 5V RED 3 GND GREEN 2 RX BLUE 1 TX 5V RX GND SCR 1 2 24V GND J4 NON I S 1 2 3 4 BLK RED 5V SCN J3 WIEGAND CARDREADER J6 SMART CARDREADER Orange Connector J7 SERIAL BARCODE WAND Mercury 2 Connector Layout 1 R054 018 Related Product Document The QAN Responsible Person must Approve any Changes or ECNs 1 04 Aug 08 ...

Page 65: ... Proximity Sensor 13 14 15 16 1 2 3 4 5 6 7 8 9 10 11 12 MIMC R507 7728P IS Earth 7787P IS Earth 1 2 3 4 1 2 3 4 24V 24V 0V IS Light or Sounder 0V Gate Lock Door Closer Related Product Document The QAN Responsible Person must Approve any Changes or ECNs 04 Aug 08 GPL MSC MOB Initial Drawing 1 2 3 4 DO1 DO1 DO2 DO2 1 2 3 4 5 6 DI1 DI1 DI2 DI2 DI3 DI3 1 2 3 4 5 TX1 TX2 RX1 RX2 SCN 1 2 24V GND 1 2 3 ...

Page 66: ...R Mercury 2 with R507 using RS232 1 1 R054 020 13 14 15 16 1 2 3 4 5 6 7 8 9 10 11 12 MIMC R507 24V 0V Host Tx Out Host Rx In Ground 5 8 Related Product Document The QAN Responsible Person must Approve any Changes or ECNs 04 Aug 08 GPL MSC MOB Initial Drawing 1 2 3 4 5 TX1 TX2 RX1 RX2 SCN 1 2 3 4 5 6 DI1 DI1 DI2 DI2 DI3 DI3 1 2 3 4 DO1 DO1 DO2 DO2 1 2 24V GND 1 2 3 4 BLK RED 5V SCN 02 Mar 09 GPL M...

Page 67: ...ith R507 using RS422 RS485 1 1 R054 021 13 14 15 16 1 2 3 4 5 6 7 8 9 10 11 12 MIMC R507 24V 0V Host Tx Out Host Rx In 5 8 4 1 Host Tx Out Host Rx In Related Product Document The QAN Responsible Person must Approve any Changes or ECNs 04 Aug 08 GPL MSC MOB Initial Drawing 1 2 3 4 5 TX1 TX2 RX1 RX2 SCN 1 2 3 4 5 6 DI1 DI1 DI2 DI2 DI3 DI3 1 2 3 4 DO1 DO1 DO2 DO2 1 2 24V GND 1 2 3 4 BLK RED 5V SCN 02...

Page 68: ...ADER Mercury 2 with R507 using 2 Wire RS485 1 1 R054 022 13 14 15 16 1 2 3 4 5 6 7 8 9 10 11 12 MIMC R507 24V 0V Host A Host B 5 8 4 1 Related Product Document The QAN Responsible Person must Approve any Changes or ECNs 04 Aug 08 GPL MSC MOB Initial Drawing 1 2 3 4 5 TX1 TX2 RX1 RX2 SCN 1 2 3 4 5 6 DI1 DI1 DI2 DI2 DI3 DI3 1 2 3 4 DO1 DO1 DO2 DO2 1 2 24V GND 1 2 3 4 BLK RED 5V SCN 02 Mar 09 GPL MSC...

Page 69: ... I S J3 WIEGAND CARDREADER Mercury 2 with R007 using RS232 1 1 R054 023 6 5 4 24V 0V Host Tx Out Host Rx In Ground Related Product Document The QAN Responsible Person must Approve any Changes or ECNs 04 Aug 08 GPL MSC MOB Initial Drawing 3 2 1 12 11 10 9 8 7 18 17 16 15 14 13 21 20 19 1 2 3 4 5 TX1 TX2 RX1 RX2 SCN 1 2 3 4 5 6 DI1 DI1 DI2 DI2 DI3 DI3 1 2 3 4 DO1 DO1 DO2 DO2 1 2 24V GND 1 2 3 4 BLK ...

Page 70: ...N I S J3 WIEGAND CARDREADER Safe Area Mercury 2 using RS232 1 1 R054 024 24V 0V Host Tx Out Host Rx In Signal Ground Related Product Document The QAN Responsible Person must Approve any Changes or ECNs Only valid for Non IS builds of the Mercury 2 04 Aug 08 GPL MSC MOB Initial Drawing 1 2 3 4 5 TX1 TX2 RX1 RX2 SCN 1 2 3 4 5 6 DI1 DI1 DI2 DI2 DI3 DI3 1 2 3 4 DO1 DO1 DO2 DO2 1 2 24V GND 1 2 3 4 BLK ...

Page 71: ... J3 WIEGAND CARDREADER Safe Area Mercury 2 using RS422 1 1 R054 025 24V 0V Host Tx Out Host Rx In Host Tx Out Host Rx In Related Product Document The QAN Responsible Person must Approve any Changes or ECNs Only valid for Non IS builds of the Mercury 2 04 Aug 08 GPL MSC MOB Initial Drawing 1 2 3 4 5 TX1 TX2 RX1 RX2 SCN 1 2 3 4 5 6 DI1 DI1 DI2 DI2 DI3 DI3 1 2 3 4 DO1 DO1 DO2 DO2 1 2 24V GND 1 2 3 4 ...

Page 72: ...UT J4 NON I S J3 WIEGAND CARDREADER Safe Area Mercury 2 using 2 Wire RS485 1 1 R054 026 24V 0V Host A Host B Related Product Document The QAN Responsible Person must Approve any Changes or ECNs Only valid for Non IS builds of the Mercury 2 04 Aug 08 GPL MSC MOB Initial Drawing 1 2 3 4 5 TX1 TX2 RX1 RX2 SCN 1 2 3 4 5 6 DI1 DI1 DI2 DI2 DI3 DI3 1 2 3 4 DO1 DO1 DO2 DO2 1 2 24V GND 1 2 3 4 BLK RED 5V S...

Page 73: ...le memory and simply recalled when in Modbus mode Screen Control Registers Register 1 Display Mode A single Modbus register will be allocated to set the character and graphics screen modes and interactions 0 Neither screen visible 1 Text on Graphics off Same coding as in ANSI Mode 2 Graphics on Text off 3 Text and Graphics on screens logically ORed 4 Text and Graphics on screens logically ANDed 5 ...

Page 74: ...resets coil 111 or 113 back to the OFF state For example the latching function keys performs as follows Coil 110 OFF Latching mode disabled ON Latching mode enabled Coil 111 ON Clear latched register set coil 111 to OFF Example with latching mode disabled Action Comment Power on Coil 110 OFF Latching mode disabled Read register 2 0x0000 No function keys pressed Press F1 F2 F3 Read register 2 0x000...

Page 75: ...osition the value written as an unsigned number in the range 0 to 65535 Register 201 16 bit Signed Integer A single Modbus register will be allocated which when written to will display at the current cursor position the value written as a signed number in the range 32768 to 32767 Note that positive numbers will have no leading plus sign whereas negative numbers will have a preceding minus sign Reg...

Page 76: ...96 bit Packed Data Float 10mm As registers 202 207 but 10mm high text characters displayed on the graphics screen will be used NOTE for registers 200 to 215 the characters sent will overwrite the current screen data all control characters will be ignored and after a control character all subsequent data in the Modbus registers will also be ignored This applies to all characters and thus any string...

Page 77: ...he right hand character of the pair Registers For Receiving Data from the Mercury 2 Register 1 Data Pending A single resister can be read to determine if there is any valid data in the Card Reader or Text input registers This single register contains 3 separate numbers each corresponding to the number of relevant readings that are currently buffered in the Mercury 2 waiting to be read D0 D3 Number...

Page 78: ...dings Up to 5 Composed Text readings may be buffered waiting to be read If further text is entered without the buffer being read the subsequent data is lost For each Modbus register the high order D8 D15 will hold the left hand character ASCII value and the low order D0 D7 will hold the left hand character ASCII value If the Composed Text is less than 30 characters long then the Modbus register ha...

Page 79: ...6 200 215 4 READ INPUT REGISTERS 1 35 5 FORCE SINGLE COIL 1 109 6 PRESET SINGLE REGISTER 1 4 10 196 200 215 7 READ EXCEPTION STATUS 8 LOOPBACK TEST 2 15 FORCE MULTIPLE COILS 1 109 16 PRESET MULTIPLE REGISTERS 1 4 10 196 200 215 Notes 1 Since there is no way of reading back any of the output registers or output coils functions codes 1 and 3 always return zeros 2 Function code 8 currently only suppo...

Page 80: ... output register 208 on slave device number 1 Query Message 01 06 00 CF 30 39 6D E7 Reply Message 01 06 00 CF 30 39 6D E7 Example 5 Loopback Test uses Function 8 Diagnostic Code 0 Perform a simple loopback test with data 0xFACE on slave device number 1 Query Message 01 08 00 00 FA CE 23 3F Reply Message 01 08 00 00 FA CE 23 3F Example 6 Preset Multiple Registers Place the message HELLO at the top ...

Page 81: ...nits to the factory To support this Mercury HMI Ltd provide a Windows based software package allowing end users to update the firmware Connection The Mercury 2 unit should be connected to the R507 R507A barrier as per normal operation The Windows PC must also be connected to the Safe Area connections either RS232 or RS422 485 via a suitable cable Step 1 Select serial port After running up the soft...

Page 82: ...n as the power is turned on On all units these keys are the two right most on the 2nd to bottom row On a standard keyboard with F1 F6 the magic keys are and SHIFT On a TA keyboard with Start Batch 1 Start Batch 6 the magic keys are 8 and 9 Once the unit has powered up in the correct mode the Mercury display with show Firmware Update Mode Step 4 Click START Now the user can click the Start button P...

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