Mars CashFlow 330 Reference Manual
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REFERENCE SERIES
ACCEPTOR
APPLICATIONS DESIGN
GUIDE
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20718 G4 142799044
CashFlow 330 acceptor Applications Design Guide
Published by :
Mars Electronics International
Eskdale Road
Winnersh Triangle
Wokingham, Berkshire RG11 5AQ
United Kingdom
For information on translations in your country, please write to the Technical Communications
Manager at the above address.
CashFlow 330 acceptor Applications Design Guide ©, Mars, Inc., 1994.
All rights reserved.
Except as permitted under the relevant local legislation, no part of this publication may be
copied, transmitted, transcribed, or distributed in any form or by any means, or stored in a
database or retrieval system, or translated into any language (natural or computer), without the
prior written permission of Mars Electronics International.
Mars, CashFlow and the Mars Electronics International device are registered trademarks.
©, Mars, Inc., 1994.
Mars Electronics reserves the right to change the product or the product specifications at any
time. While every effort has been made to ensure that the information in this publication is
accurate, Mars Electronics disclaims any liability for any direct or indirect losses (howsoever
caused) arising out of use or reliance on this information.
This document does not necessarily imply product availability.
Part Number : 142799044
This Edition (September 1994) Printed in the United Kingdom.
ii ©, Mars, Inc., 1994.
CashFlow 330 acceptor Applications Design Guide
SAFETY AND EMC...................................................................1
GLOSSARY.................................................................................2
OVERVIEW.................................................................................3
PRODUCT VARIANTS.............................................................4
TOP ENTRY..........................................................................4
PRODUCT OPERATION..........................................................6
FRONT ENTRY.....................................................................5
MECHANICAL......................................................................6
TABLE OF CONTENTS
ELECTRICAL .......................................................................8
OPERATIONAL ....................................................................9
ELECTRICAL INTERFACES ................................................10
HOST INTELLIGENT INTERFACE (HI2) ...........................10
Electrical Specifications....................................10
APPLICATIONS SUPPORT ...............................................13
SUPPORT TOOLS....................................................14
MACHINE INTERFACE PCB’s.............................................15
COMPATIBILITY.................................................................15
STANDARD VERSIONS 112 and 124, (0V COMMON
12V & 24V) ................................................................16
PCB Connectors - versions 112 and 124 .........16
Electrical Interfaces - versions 112 and 124.....18
STANDARD VERSIONS 212 and 312, (0V COMMON
12V) ...........................................................................20
PCB Connectors - version Standard 212..........20
Electrical Interfaces ..........................................22
©, Mars, Inc., 1994. iii
CashFlow 330 acceptor Applications Design Guide
CONFIGURATION...................................................................28
FACTORY CONFIGURATION............................................28
FIELD CONFIGURATION...................................................29
DUAL POLARITY.......................................................24
PCB Connector - Dual Polarity.........................25
Electrical Specifications....................................25
Specific Coinsets..............................................28
VIA MAN MACHINE INTERFACE (MMI)...................29
To Inhibit a Coin ...............................................30
To Enable a Coin..............................................30
VIA MARS
Key Functions...................................................32
Other Facilities Of The Terminal.......................32
Auto Repeating Keys........................................32
Double Click Hotkeying.....................................33
Using The Terminal ..........................................33
ROUTE ALPHA 250 TERMINAL...........31
ENVIRONMENTAL PERFORMANCE.................................38
TEMPERATURE RANGE...................................................38
HUMIDITY...........................................................................38
VIBRATION.........................................................................39
TRANSPORTATION ...........................................................39
LIQUIDS..............................................................................40
CLASSIFICATION ..............................................................41
FLAMMABILITY.................................................................41
POWER SUPPLY INPUT PROTECTION...........................41
MECHANICAL PARTS.......................................................41
CASHFLOW MODULES COMPATIBILITY.....................42
COMPATIBILITY with EARLIER PRODUCTS .................43
MARS ELECTRONICS INTERNATIONAL OFFICES .....44
iv ©, Mars, Inc., 1994.
CashFlow 330 acceptor Applications Design Guide
INDEX.........................................................................................45
APPENDIX ................................................................................48
INTERFACE DRAWINGS...................................................48
©, Mars, Inc., 1994. v
CashFlow 330 acceptor Applications Design Guide
vi ©, Mars, Inc., 1994.
CashFlow 330 acceptor Applications Design Guide
SAFETY AND EMC
International & National Standards
Conformance
When installed and operated according to the
®
instructions for the particular unit, CashFlow
products are designed to meet the applicable
Safety and Electro Magnetic Compatibility
standards for any country in which they are used.
Maximum Operating Voltages
Do not apply more than the indicated voltage.
330
Dangerous Environments
Do not operate in the presence of flammable
gases, fumes or water.
Disposal of Product
Do not dispose of this product by incineration.
Warning: Before removing or replacing modules
SWITCH OFF or ISOLATE the ELECTRICITY
SUPPLY to the host machine.
THIS MANUAL IS PROVIDED FOR USE ONLY BY PERSONNEL
TRAINED TO UNDERTAKE ELECTRICAL INSTALLATION.
©, Mars, Inc., 1994. 1
CashFlow 330 acceptor Applications Design Guide
GLOSSARY
Acceptor The unit which accepts and validates coins.
Accept Gate A control module that routes coins. Forms part
Adaptor Plastic moulding to house the Acceptor and
Back Cover Plastic moulding which houses the
Channel A mounting assembly generally fitted in the host
Coin Entry The opening where coins enter the Acceptor.
Discriminator The module which discriminates coins using the
Dual Polarity Interface A specific customer interface that provides a
Made up of various modules.
of the Acceptor
replicate 5
discriminator. Forms part of the Acceptor.
machine.
sensors on both the flight deck and the flight
deck lid. Forms part of the Acceptor.
single output circuit to work with both positive
and negative common customer interfaces
" product envelope.
Front Plate Accessory which is available for providing Front
entry coin option.
Interface The electrical or mechanical boundary between
the validator and the host machine.
0V Common Interface A specific customer interface that uses open
collector outputs referenced to 0V
SELV Safety Extra Low Voltage supply. Applicable
only where the Acceptor is used as a stand
alone product.
2 ©, Mars, Inc., 1994.
CashFlow 330 acceptor Applications Design Guide
OVERVIEW
The CashFlow330 acceptor is made up of five basic modules,
each of which is available in a number of options:
• Accept Gate
• Discriminator
• Back Cover
• Interface PCB
• Interface PCB Cover
Interface PCB
Cover
Discriminator
Accept Gate
Interface PCB
Back Cover
The acceptor is compact at only 4" and can be used as a stand
alone or, if fitted with the appropriate accessories, can be adapted
for use as a standard 5" front or top entry unit.
MEI have also designed a range of front plates and channels all of
which, when combined with a CashFlow
for most applications.
The acceptors are provided, as standard, with a serial interface
which is known as the HI
available which, when fitted to an acceptor, provide compatibility
with earlier products. These interfaces simply plug into the
discriminator.
Although a number of variants of acceptor are available the basic
operational principles are the same. The following pages describe
the way in which the product works, under the headings of
Mechanical, Electrical, and Operational.
2
interface. Optional interfaces are
©, Mars, Inc., 1994. 3
330 acceptor, are suitable
CashFlow 330 acceptor Applications Design Guide
PRODUCT VARIANTS
TOP ENTRY
For top entry applications the acceptor can be mounted in a 4"
moulded channel, a 5" metal channel or an industry standard
channel, forming part of the host machine. The channel applications
require the use of an adaptor.
In addition to this a motorised reject unit can be mounted onto the
4" channel so as to enhance the coin entry and reject functions,
particularly where these are not adjacent to the fixture point in the
host machine. For connection details see the appendix.
4” Moulded Channel
4” Channel with
Remote Reject Unit
5” Channel Adaptor Mounting
4 ©, Mars, Inc., 1994.
CashFlow 330 acceptor Applications Design Guide
FRONT ENTRY
Midi Front Plate
Mini Front Plate
Maxi Front Plate
For front entry applications MEI have designed three new front
plates for use with CashFlow 330 acceptors, these are called the
Mini, Midi, and Maxi front plates.
For detailed information on use of these please refer to the Front
Plate Applications Guide, Mars part number 143512044, or contact
your MEI distributor, who is listed at the end of this book.
©, Mars, Inc., 1994. 5
CashFlow 330 acceptor Applications Design Guide
PRODUCT OPERATION
MECHANICAL
The discriminator comprises a flight deck and lid which together
form the coin control and flight path. On the inside of the flight deck
lid there is a mechanical device incorporated near the coin entry
point. This device is known as the coin deflector and brings coins
under control by either removing or dampens their inherent kinetic
energy. It also acts as a cotton catcher.
Flight Deck
Flight Deck
Lid
Coin Deflector
Coin Path
There is a hinge at the top right hand side of the flight deck which
allows coupling of the lid via an intermediate component, known as
the flight deck lid arm. This allows the lid to locate accurately to the
flight deck independently of the hinge. The lid also maintains a
parallel coin throat by being spaced from the deck on three bosses
which locate the lid to the deck.
The design of the lid arm hinge area allows the lid to open to 180
deg. relative to the deck. The opening is restricted to just over 100
deg. by the back cover to prevent the lid fouling other parts such as
front plates etc.
The action of the hinge spring allows the lid to remain open when
past about 100 deg. and will snap shut when closed to about 60 deg.
6 ©, Mars, Inc., 1994.
CashFlow 330 acceptor Applications Design Guide
although the lid will need to be pressed to ensure that it is correctly
seated against the deck.
Clearance of any debris or jammed coins from the acceptor is
carried out by opening the lid. This is done by pressing the reject
lever which is located behind the coin entry.
The reject lever assembly forms part of the back cover assembly
and there are versions available for front and top entry mounted
acceptors. They both clip on to the discrimination module.
For front plate mounted acceptors the reject lever assembly is
located on the back of the back cover.
For channel mounted acceptors the reject lever assembly is located
on the top of the back cover.
The lid opening is articulated so as to remain essentially parallel to
the flight deck as the gap between them is increased. This means
that the acceptor can be defined within a smaller total volume
envelope while offering the best coin jam clearance. This means
that the edge of the lid furthest from the hinge does not have to open
more to give greater clearance at the hinge end.
The discriminator also provides the mounting for the PCB.
Coin Entry
Hinge Arm
Back
Cover
Reject
Lever
Accept
Gate
Host Interface
2
HI
©, Mars, Inc., 1994. 7
Customer Interface
Interface
PCB Cover
(0ptional)
CashFlow 330 acceptor Applications Design Guide
ELECTRICAL
The CashFlow330 acceptor products are based on a 12V serial
interface. The electrical circuitry is contained in a PCB which is
mounted on the rear of the flight deck behind the back cover.
All internal connections to this PCB are via flexible loom which is
soldered directly to the PCB. This connects to the sensors on the
flight deck, lid, accept gate solenoid and optical coin strobes. Any
external connections to the discrimination PCB are via 0.1” staked
pins accessible through apertures in the back cover. Additional
staked pins on the discrimination PCB are provided to allow optional
interface PCB’s to be fitted.
The base acceptors provide an asynchronous serial interface to the
host machine and CashFlow
product can be provided by fitting one of the optional interface
PCB’s which are plugged directly onto the discrimination PCB. The
base acceptor operates from a 12V supply but can also be
configured for 24V operation by using the correct interface PCB
option.
terminal products. A parallel interface
Coins that are correctly discriminated are routed to the accept exit
by energising the accept gate. Coins that are rejected are routed to
the reject exit. Accepted coins generate a coin output signal if they
pass correctly through the coin strobes in the accept gate module.
The accept exit can be either on the right or left as viewed from the
front of the acceptor.
Reject
Coins
Front
Accept RejectReject
Coins Coins
Left Right
Accept
Coins
Right Left Right
Accept
Coins Coins
Coin Exit Options
8 ©, Mars, Inc., 1994.
CashFlow 330 acceptor Applications Design Guide
The accept gate module contains a solenoid operated gate, optical
coin strobes and coin routing components. There are three variants
available and the module clips and plugs onto the flight deck.The
coin exits for both accepted and rejected coins are defined by the
type of accept gate fitted.
The electronics on the discrimination PCB operate from 5V
generated by an on-board regulator from the 12V customer supply.If
an optional interface PCB is fitted then the 12V supply comes from
this PCB.
OPERATIONAL
There are some functions of the acceptor which are common across
the whole CashFlow product range. These include coin
discrimination, control and communication.
When a coin is put through the acceptor it’s validity is determined by
measuring certain parameters. It also looks at the coin type status
to define whether the payment is a valid coin or token, or an invalid
coin. Finally, the inhibit status is checked. If the coin is not inhibited,
then it will be accepted and the accept gate opened. Acceptors fitted
with customer interfaces will now activate the coin output lines.
If a coin or token is rejected the accept gate will not open and any
further coins will be inhibited for a period of 500ms. If the following
coin is also rejected then this time period will be restarted.
If the reject lever is operated an Escrow Return (ER) message will
be generated and, if a 0V common interface is fitted, the ER output
will be activated.
©, Mars, Inc., 1994. 9
CashFlow 330 acceptor Applications Design Guide
ELECTRICAL INTERFACES
HOST INTELLIGENT INTERFACE (HI2)
The HI2 interface offers serial control of the following functions:
• Inhibiting Coins
• Enabling Coins
2
The connections to the 10 way connector of the HI
below.
are shown
PIN
1DATA2 GND
3 BUSY 4 GND
5 RESET 6 POWER FAIL
7 VIN 8 VNEG
9 RESERVED 10 VSOL
Electrical Specifications
SIGNAL
NAME
9
10
Viewed from loom end
PIN SIGNAL NAME
3
5
7
4
6
8
1
2
I/O Ports
Data and Busy
Input high voltage Vih 8.0V min. VIN + 1.5V
max
Input low voltage Vil GND - 1.5V min 1.3V max.
Input impedance Rp 4.7KΩ nom. to VIN
Output high voltage Voh 9.0Vmin. VIN max.
Output low voltage Vol GND min. 0.5V max.
Output sink current Iol ------- 25mA max.
10 ©, Mars, Inc., 1994.
CashFlow 330 acceptor Applications Design Guide
VIN
Rx
To internal
logic
Tx
0V
Data and Busy line equivalent circuit
+5V
1n
47K
47K
Rp
DATA or BUSY
GND
The Data and Busy lines are active low signals and are designed to
be wire-ORed with other HI
system load of 3 units.
2
nodes. The selector represents an HI
2
Reset
Input high voltage Vih Open circuit or > 3.5V (5.5V
max.)
Input low voltage Vil (GND - 0.5V) min. 0.9Vmax.
Input impedance Rp 47kΩ nom. to + 5V
Input capacitance Cin 1.5µF nom.
Input series resist. Rserl 56Ω nom.
In addition to the on-board power-on reset circuit, an external device
may reset the system by pulling RESET low. The RESET line is
active low and is intended to be driven by an open collector
transistor referenced to 0V. A series resistor is provided to limit the
peak current drawn when the on-board reset capacitor is discharged
by an external device.
©, Mars, Inc., 1994. 11
CashFlow 330 acceptor Applications Design Guide
PF (Power Fail)
Input high voltage Vih 3.7V min. 5.5V max.
Input low voltage Vil (GND - 0.5V) min. 0.9Vmax.
Input impedance Rp 4.7kΩ nom. to + 5V
In addition to the on-board power fail circuit, there is an input on the
host connector to allow an external device to warn of an impending
power failure. The power fail input is active low and is intended to be
driven by an open collector transistor referenced to 0V.
VIN (Power)
Input supply voltage Vin 10V min. 15V max.
(Abs.max. not operational 20V)
Supply voltage ripple Vrip Within Vin min. to max. up to
100Hz
250mV pk-pk frequencies >
100Hz
Supply rise time Trise 75ms max.
Input current Iin 500mA max.
VIN is the input supply voltage referenced to the supply return,
VNEG.
VNEG is connected to GND on the acceptor.
12 ©, Mars, Inc., 1994.
CashFlow 330 acceptor Applications Design Guide
APPLICATIONS SUPPORT
The Host Intelligent Interface (HI2) is a high functionality interface for
point to point or multi node systems.
It is currently only available under licence and confidentiality
agreements.
2
Applications support for HI
support. These are all intended to make it straightforward to designin the interface.
HI2 Applications Support
is in the form of documentation and
Documentation Library
Software
Implementors
Guide
‘C’
6805 8051
Protocol
Support
Tools
Protocol
Monitor
©, Mars, Inc., 1994. 13
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