HW200 Universal USB Interface For Coin And Bill
Contents
1. Reserved for future use Bit 2 Stack Control Bit To notify an acceptor to accept the token that is held in escrow position For Serial Mode only 1 Stack 0 Keep in escrow Bit 3 Return Control Bit To notify an acceptor to return a token that is held in escrow position For Serial Mode only 1 Return 0 Keep in escrow Bit4 7 Set to 0 Reserved for future use Bill Field Data 1 Upper Individual Channel Enabling Bits To turn on off an individual channel of an acceptor Set to 00h for those acceptors that do not support this feature For Serial Mode only Bit 0 Bit 1 Bit 2 Bit 3 Bit 4 Bit 5 Bit 6 Bit 7 9 Channel 1 Enabled 0 Disabled 10 Channel 1 Enabled 0 Disabled 11 Channel 1 Enabled 0 Disabled 12 Channel 1 Enabled 0 Disabled 13 Channel 1 Enabled 0 Disabled 14 Channel 1 Enabled 0 Disabled 15 Channel 1 Enabled 0 Disabled 16 Channel 1 Enabled 0 Disabled Page 5 of 14 HW200 Manual REV1 6 12 02 Hemisphere West Bill Field Data 0 Lower Individual Channel Enabling Bits To turn on off an individual channel of an acceptor Set to 00h for those acceptors that do not support this feature For Serial Mode only Bit 0 Bit 1 Bit 2 Bit 3 Bit 4 Bit 5 Bit 6 Bit 7 Mode Bits Bit 0 1 Bit 2 Bit 3 Bit 4 Bit 5 7 1st Channel 1 Enabled 0 Disabled 2nd Channel 1 Enabled 0 Disabled 3rd Channel 1 Enabled 0 Disabled 4 Channel 1 En2. debounce period is added to the trailing edge of each pulse to avoid false trigger due to slow skew rate of the output driver of the acceptor When using Channel 6 is used an extra option is given You can choose the trigger of credit to be Active Low or Active High by set Jumpers to the following combinations Active Low setting Jumper S7 Close S8 Open S9 Open Active High setting Jumper S7 Open S8 Close S9 Close WARNING Do not apply jumpers other than the above two settings Otherwise MF 200 internal circuit may gets damage Serial Mode Not applicable Leave these pins unconnected CHANNEL 1 CHANNEL 5 vee al o e a B 4 ver CHANNEL 6 SURGE PROTECTION a Da I 2 ad WVERTER Figure 6 Page 12 of 14 HW200 Manual REV1 6 12 02 Hemisphere West TXD RXD Serial Mode only See Figure 7 A serial transmission reception port to acceptor Not applicable to Parallel Pulse Mode leave these pins unconnected T VCC lt ra Ss ra Fa es lt 56K eee A TW HNN 330 NPN PIN 11 PIN 12 a l AS 330 TXD DRIVER RXD DRIVER TE Figure 7 3 2 _ POWER RELAY CONTACT PORT configuration OPTIONAL Figure 8 Facing towards I O connector Pin 1 AC 110V Neutral Pin 2 AC 110V Hot Pin 3 AC Hot Enable Pin 4 Not Used Pin 5 Relay contact Pin 6 Relay contact also serves as Signal GND The HW200 has an opt
3. source is for logic device and LED usage only WARNING Do not connect any device that draws more than 20mA to PIN 14 Otherwise damage may occurs to HW200 and computer system Page 9 of 14 HW200 Manual REV1 6 12 02 Hemisphere West PIN 2 POWER PLUG REEN E E o MCU gt TT CIRCUIT 2 O aTa 4 EREA USB B SOCKET POWER SELECTION EXTERNAL PORT 100 CURRENT LIMITING RESISTOR PIN 14 Figure 3 DISABLE ENABLE Output open collector sinks for 50mA with optional pull up resistor See Figure 4 This pin will be set HIGH or LOW according to the Master Enable Bit and the Master Enable Polarity Bit in the upstream protocol to enable or disable the acceptor In Parallel Pulse Mode upon enabled the acceptor should enter its normal operation state and be ready to accept tokens HW200 will disable the acceptor on certain circumstances including 1 Entering suspend mode 2 Master Disabled 3 2 level of stack credit entered Not applicable to Serial Mode leave this pin unconnected vee OPTIONAL 5 6K 330 NPN PIN 6 AA mi ENABLE CONTROL Figure 4 Page 10 of 14 HW200 Manual REV1 6 12 02 Hemisphere West FAILURE Input See Figure 5 The active state of this pin depends on the Failure Polarity Bit set in the upstream protocol and the jumper S10 S11 S12 settings HW200 will report a failure message to the Host upon receiving a trigger on this pin Not applicable to
4. Field Data Sequence No Status Current status of HW200 Events Events experienced by HW200 Expansion Reserved for future use Always returns 00h Bill Field Data Denomination channel Binary Format Sequence No Sequence No as sent by the Host Example 08 00 00 02 02 Stacked Channel 2 in concern Status Bit 0 Accepting l1 if a token is taking in and before Escrow position Bit 1 Escrowed 1 if a token is in Escrow position Bit 2 Stacking 1 if a token is accepting and being stacked Bit 3 Stacked 1 if a token is successfully stacked and credit received from acceptor Bit 4 Retuming 1 if a token is being returned by the Host Bit 5 Returned 1 if a token has been returned by the Host Bit 6 Rejecting 1 if a token is being rejected by the acceptor Bit 7 Rejected 1 if a token has been rejected by the acceptor Events Bit 0 Failure 1 on any kind of failure Bit 1 Power Up 1 on power up Bit 2 Cashbox Full 1 if the cashbox of the acceptor is full Bit 3 Cheated 1 if a cheat stringing Yo Yo is detected Bit 4 Bill Coin Jammed 1 if the acceptor is jammed Bit 5 Cashbox Present 1 if the cashbox of the acceptor is attached Bit 6 Invalid Command 1 if an invalid command is received Bit 7 Set to 0 Reserved for future use Expansion Reserved for future use Always returns 00h Bill Field Data Report of denomination channel that is under concerne
5. HEMISPHERE WEST mu eal INTERNATIONAL CURRENCY VALIDATION PRODUCTS HW 200 Universal USB Interface For Coin And Bill Validators User Manual Version 1 6 The HW200 Universal USB Interface Was Awarded Best of Show Hardware at Kioskcom 2001 in Orlando Best of Show Hemisphere West 1 0 Introduction The HW200 is a product built to interface to a USB Hub or to the Root Hub on the PC It converts the industrial standard interface of a banknote or coin acceptor to an easy to use USB protocol for PC user to program with HW200 converts data from the acceptor into the USB language only if the acceptor gives out the information For instance if the acceptor does not have the capability to give a CASHBOX FULL message upon a cashbox full condition HW200 will NOT have this message to report 2 0 Communications HW200 conforms to USB 1 1 specification issued by the USB Implementers Forum It is a low speed device 1 5Mbit sec supporting EndPoint 0 Interrupt IN OUT and Setup and EndPoint 1 Interrupt IN only reports When HW200 is attached to the USB bus an enumeration process takes place automatically by the Host Operation System Upon successful enumeration HW200 is registered as a HID class device under the Human Interface Device category specified by the USB specification The Host sends poll to request information from the HW200 at a periodic rate HW200 answers to the poll and reports all the happe
6. Serial Mode leave this pin unconnected Active Low setting Jumper S10 Close S11 Open 12 Open Active High setting Jumper S10 Open S11 Close S12 Close WARNING Do not apply jumpers other than the above two settings Otherwise MF 200 internal circuit gets damage SPULLUP 100K 4 330 ais VY oo l j pi x SURGE PROTECTION 11 a 12 Lor a l a a aE ALARM CIRCUIT te INVERTER PRANAN l Figure 5 CREDIT CHANNEL 1 to 6 Input Active Low See Figure 6 Parallel Mode 6 Credit Vend lines representing 6 different kinds of token accepted by the acceptor The acceptor should generate a Logic Low pulse on the Credit Line corresponds to that accepted token The duration of the pulse should be within a time frame of 30msec to 200msec A 10msec debounce period is added to the trailing edge rising of the pulse to avoid false trigger due to slow skew rate of the output driver of the acceptor Any noise signal received during the debounce period is ignored NOTE For proper crediting on Channel 6 set Jumper S7 Close S8 Open S9 Open Page 11 of 14 HW200 Manual REV1 6 12 02 Hemisphere West Pulse Mode Any of the 6 credit lines can be used as the Credit Input By convention Channel 6 is used The acceptor should generate a chain of pulses equivalent to the value of the accepted token The duration of each pulse should be within 30msec to 200msec A 10msec
7. abled 0 Disabled 5 Channel 1 Enabled 0 Disabled 6 Channel 1 Enabled 0 Disabled 7 Channel 1 Enabled 0 Disabled 8 Channel 1 Enabled 0 Disabled Interface Mode Selection Bits 00 Parallel Mode 01 Pulse Mode 10 Serial Mode 11 Reserved Set to 0 Reserved for future use Master Enable Polarity Bit Select this pin according to input logic level of the Enable control line of the acceptor Not applicable to Serial Mode set to 0 1 Active HI 0 Active LO Failure Polarity Bit Select this pin according to the output logic level of the Failure signal of the acceptor Not applicable to Serial Mode set to 0 1 Active HI 0 Active LO Set to 0 Reserved for future use Sequence No Initiated by the Host It starts from 00h and increments on successive messages It rollovers at FFh and starts at 00h again The Host should send the same message continuously until HW 200 responses with the same Sequence No Caution On Power Up USB Bus reset MF 200 will clear all user settings Stored credits will be lost also Control command amp Mode Bits must be sent in order to initialise HW200 to the proper stage Caution On changing the Interface Mode bit HW200 will discard all its current status including stored credits amd switch to a new interface mode instantaneously Page 6 of 14 HW200 Manual REV1 6 12 02 Hemisphere West HW200 to Host Format gt gt Status Events Expansion Bill
8. ack In Pulse Mode HW200 can hold up to 260 distinct pulses from an acceptor If the Host does not poll for the credited value before the pulses accumulate over 260 counts the credit stack will overflow and credits will be lost This is not likely to happen as in normal situation a 20 pulse pulse chain represents a 20 bill accepted In Serial Mode HW200 acts as a passive translator between the USB side and the acceptor side Any credit received from the acceptor is reported directly to the Host on the next poll No credit storage is used in this mode According to the USB 1 1 specification all devices should enter a suspend power saving mode upon 3msec of inactivity of the USB bus This includes the loss in communication with the Host or the Host Operation System disable the device etc HW 200 will enter this suspend mode after doing the followings 1 Disable the acceptor 2 Continue with the current credit detection if there is any 3 Wait for 100msec for any incoming transactions that has already taken place On exiting the Suspend Mode HW200 will be reset by the inherent USB Bus reset Any prior status setup will be cleared and back to their default stage When an USB device is attached to the Hub the Host Operation System will start an enumeration process During this process information and capability of the device is sent to the PC The Host Operation System will determine whether or not to configure the device and register a
9. d Binary format Sequence No HW 200 will give the same Sequence No received from the Host for synchronization purpose Page 7 of 14 HW200 Manual REV1 6 12 02 Hemisphere West 3 0 ELECTRICAL HOOKUP RELAY CONTACT ACI 10V model only SONER HW200 USB I F PLUG O Power DEVICE USB TYPE B UPSTREAM COMM I O PORT RECEPTACLE O Figure 1 DC12V model POWER PLUG A power supply input Center Conductor 12VDC Outer Ground Earth Power requirement for typical coin acceptor 12 VDC 500mA Power requirement for typical banknote acceptor 12VDC 1 5A USB TYPE B For connection to computer USB port or USB Hub Uplink port RECEPTACLE DEVICE I O PORT A 16 pin IDC socket for connection with bill coin acceptor RELAY CONTACT Refers to Section 3 2 AC110V model only POWER LIGHT Green LED lights up on power up UPSTREAM SIGNAL Yellow LED lights up after enumeration and blinks on every upstream LIGHT communication CREDIT LIGHT for Parallel Pulse Mode Red LED blinks on every received credit It will stay on until all the credits has been reported to the Host DOWNSTREAM for RS232 Mode SIGNAL LIGHT Red LED blinks on every downstream communication with the acceptor Page 8 of 14 HW200 Manual REV1 6 12 02 Hemisphere West 3 1 DEVICE I O PORT configuration EEE EEE Nn BEEBE 2 15 16 Figure 2 Facing towards I O connector Pin 1 Power GND Pin 2 Power 12V Pin 3 Credi
10. e handle The application program should be able to retrieve the different handles from the Operating Page 3 of 14 HW200 Manual REV1 6 12 02 Hemisphere West Sequence No System and communicate with the HW200s independently End user can easily identify each HW200 just by observing to the jumper settings In USB development it is a common issue that the application program cannot see a real time upstream message sent from the device That is to say all the upstream messages sent from the device are stored to the bottom of the Host computer buffer Only by continual popping of the buffer will the latest message be able to seen by the program This leads to an unsynchronised situation in the HW200 communication When the Host polls the HW200 for the most current status the Host will always see the precedent message stored in the computer buffer The Host has to keep on retrieving the buffer messages until the last message pops up to the top of the buffer In MS Windows 98 this buffer has a fixed storage of 2 messages In MS Windows 98SE 2K Me the default number is 8 User can change this number with SetNumInputBuffers register To cope with this variance of Operating Systems HW200 incorporates with a message Sequence No to keep track of the messages This number is added to both the upstream and downstream messages for the detection of the correct sequence of the receiving message The Host will keep polling for the same command unt
11. il the Sequence No received from HW200 is the same as the one sent out On the other hand HW200 will keep resending the same message until the Host changes the same Sequence No 2 2 INTERFACE MODE The HW200 has the capability to communicate in 3 different protocols on its downstream communication These protocols are the most common type of communication methods found in modern electronic coin bill acceptors With a choice of specific harnesses the usability of the HW200 can be expanded beyond the listed Parallel Mode Pulse Mode Serial Mode versatilities This interface utilities different Vend Lines to represent different values of token Upon receiving a token the acceptor will give a pulse on the respective Vend Line and HW200 will score the value of credit based on the Vend Line Disable Enable of the acceptor is done via the Master Enable Bit in the upstream protocol Individual Channel Enabling is not support in this mode This interface utilities a single output line to pulse out the credits Upon receiving a token the acceptor will toggle OFF ON OFF the output credit line a number of times same as the value of the accepted token The normal toggling speed varies from 50ms to 300ms HW200 will report the occurrence of each toggle as an individual event to the Host Disable Enable of the acceptor is done via the Master Enable Bit in the upstream protocol Individual Channel Enabling is not support in th
12. ional to interface with acceptors that takes AC 110V input power and has a relay contact for giving out credits MAGSO is a typical example User can specify this option when ordering MAG50 is a registered product of Coin Acceptors Inc Coinco WARNING Always disconnects from Mains AC 110V power before manipulate on connectors Otherwise electrical shock hazard may occur Page 13 of 14 HW200 Manual REV1 6 12 02 Hemisphere West 3 3 BUS ADDRESS configuration The Bus Address Setting jumpers locate inside the cabin There are 4 different settings for the 4 distinctive address IDs Choose the address that is unique in the system and place the jumper in the corresponding position See figure 8 S2 S3 S4 S1 Address 01 S2 Address 02 S3 Address 03 S4 Address 04 Figure 9 Observe the following procedure when doing the change Stop all USB communication on the Host Unplug the power cable to HW200 Disconnect HW200 from the Hub Open the back cover and locate the Address jumpers inside the cabin Change the jumper setting according to your needs The default one is at Address 01 Do not set more than one device with the same address on a single system Replace the back cover Reattach the power cable and USB cable 8 Start the USB communication on the Host The HW200 should show a new Address ID SEE Gul ND Page 14 of 14 HW200 Manual REV1 6 12 02
13. is mode There are different types of serial interface appear in the industry HW200 adopted the most common type of serial interface the Bidirectional Serial Protocol used by the Mars Electronic International With this high level communication protocol additional features like Individual Channel Enabling detail report of acceptor Events Failure can Page 4 of 14 HW200 Manual REV1 6 12 02 Hemisphere West be taken place This interface utilities 3 wires TXD RXD GND as the communication media 2 3 UPSTREAM MESSAGE FORMAT Host to H W200 Format gt gt Cmd Byte Bill Field Data 1 Bill Field Data 0 Mode Bits Sequence No Cmd Byte Control commands send to MF200 Bill Field Data 1 Upper 16 9 enabled denomination channels Bill Field Data 0 Lower 8 0 enabled denomination channels Mode Bits Compatibility settings and other control commands Sequence No Host sequence number Example 01 00 00 10 02 Master Enabled Parallel Mode Enable Polarity Active LO Failure Polarity Active HI Cmd Byte Bit 0 Master Enable Bit This bit controls the Enable Pin on the I O Device port to enable disable an acceptor The polarity of operation is defined in Mode Bit Not applicable in Serial Mode 1 Master Enabled 0 Master Disabled Bit 1 Escrow Control Bit This bit controls the Escrow function of an acceptor This function is only applicable to those acceptors with an Escrow capability Set to 0
14. ning events This poll rate should be set at a moderate rate fast enough to keep up with the performance accepting speed of a bill coin acceptor and not to exceed the legacy of the Host system There are two communication sides on the HW200 The UPSTREAM side refers to the communication between the Host system and the HW200 USB side The DOWNSTREAM side refers to the communication between the HW200 and the acceptor side acceptor side 2 1 GENERAL DATA Host Refers to the application program or the computer system that handles the USB communication and interpretation of all the messages Token A collective term to refer to a banknote and a coin Hub Refers to an external hub for USB connections or the Root Hub built on the PC motherboard In this document it refers to the port that the HW200 connects to Credit stack HW200 has a 4 level of credit stack in Parallel Mode This stack is a FIFO type and holds up to 4 distinct credits from an acceptor Credits issued by the acceptor are Page 2 of 14 HW200 Manual REV1 6 12 02 Hemisphere West Suspend mode Enumeration Bus Address temporary stored in the HW200 and wait to be reported to the Host in the future polls In a slow polling system if the credits enter to the 2nd level of stack HW200 will disable the acceptor so that no more acceptance of the acceptor will be allowed But the transactions already taken place will also be scored to the 3 and 4 level of st
15. s an active device depending on the existing resources available in the system The factors that may inhibit a device from being configured include the data bandwidth requested by the device the CPU usage of the system and the traffic already in the USB bus etc Only upon successful enumeration the device is given a resource handle for application program to access In MS Windows 9X 2K Me a registered USB device is shown under the System Properties Device Manager According to the USB spec up to 127 devices can be connected to the same USB bus on a single computer system The atachment of the device should be done without user settings and be configured automatically by the Host Operation System But in some situation it is impractical or illogical to connect the same device more than one onto a single system The limitation is due to the fighting for the same resources and interruption between the same kind of devices For example keyboard mouse For HW200 it has the capability to identify itself among a mult HW200 system The HW 200 utilities a unique Bus Address Setting to give itself a unique Bus Address for identification and for resources allocation This Bus Address is a proprietary value in the product and will not interfere the normal USB operation By using different Bus Address Settings up to 4 HW200 can be attached on a single system simultaneously Upon successful enumerations each HW200 is assigned with different resourc
16. t Channel 5 Input Active LOW Pin 4 Credit Channel 6 Input Selectable Active HIGH LOW Pin 5 FAILURE Input Selectable Active HIGH LOW Pin 6 DISABLE ENABLE Output Selectable Active HIGH LOW Pin 7 Credit Channel 1 Input Active LOW Pin 8 Credit Channel 2 Input Active LOW Pin 9 Credit Channel 3 Input Active LOW Pin 10 Credit Channel 4 Input Active LOW Pin 11 SERIAL TXD ESCROW Pin 12 SERIAL RXD Pin 13 Not used Pin 14 Limited Power Source 5V with a 100ohm resistor in series Pin 15 Not used Pin 16 Signal GND WARNING Do not apply voltage higher than 5V or lower than OV to any signal pins Otherwise severe damage may occurs to MF 200 and computer system POWER Input Power See Figure 3 HW200 is built with Port Power Mode selected by default User can specify their choice when ordering External Power Mode Jumper S5 position 2 3 Under this mode HW200 gets its power together with the attached acceptor from the POWER PLUG input This mode is used only when the USB host is having a tight power budget Port Power Mode Jumper S5 position 1 2 Under this mode HW200 gets its power from the USB port Once the USB cable is connected HW200 is operating The attached acceptor gets its power from the POWER PLUG For AC110V model Port Power mode must be selected as the acceptor is getting power from 110VAC power line LIMITED POWER SOURCE Output Power See Figure 3 This power
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