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Minivend 4
Engineers Guide
Issue 3 created 02.10.07
Author Trent Rutland
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1
Contents
INTRODUCTION ..................................................................................................................... 3
USING THE ENGINEER MENU .................................................................................................. 3
ENGINEER MENUS AND SUB MENUS ........................................................................................ 3
LANGUAGE............................................................................................................................. 3
CURRENCY............................................................................................................................. 4
COIN VALUES......................................................................................................................... 4
COMMS SETTINGS.................................................................................................................. 4
COPIER INTERFACE MENU ...................................................................................................... 5
MINIVEND 4 INTERFACE DESCRIPTION ................................................................................... 7
DIAGNOSTIC TESTS ............................................................................................................... 7
SERIAL PRINTER PORT (COM 2).............................................................................................. 8
SPECIFICATIONS.................................................................................................................... 8
INTERFACE AND WIRING SCHEMATIC ..................................................................................... 9
WIRING CONFIGURATION FOR VOLTAGE FREE (OPTO) INTERFACING..................................... 10
LOW CURRENT INTERFACING- DIRECT TO SENSOR ............................................................... 10
MINIVEND 4 BOARD LAYOUTS .............................................................................................. 11
COIN VALIDATOR................................................................................................................. 12
CLEARING MEMORY-LOAD DEFAULTS .................................................................................... 13
MEMORY ERROR .................................................................................................................. 13
NOTES................................................................................................................................. 14
2
Introduction
About this guide
This guide has been written assuming the Installation/Service Engineer has a general understanding of
Electronics, copier architecture and copier control devices.
The Minivend 4
The Minivend 4 has been designed with the Installation/Service engineer in mind.
The host Interface supports four inputs and three changeover relays this together with numerous simplistic
interface configurations and an easy to program menu system makes the Minivend 4 simple to install and
compatible with many host devices.
Using the Engineer Menu
The Minivend 4 can be easily configured using the Engineers Menu; this is accessed using the operator key
and coloured programming buttons on the rear.
To access the Engineer menu press and hold all four buttons whilst turning the operator key in the key
switch found on the right hand side.
“ENGINEER MENU” will be displayed.
To return to ‘normal operation’ at any point during programming turn the operator key to its normal
position.
The coloured programming buttons will allow you to navigate through the menus and their sub menus.
GREEN = enter/forward,
RED= back,
BLUE= down,
BLACK= up
The Engineers Menu also contains the Operators Menu. For more information on the operator menu see the
Minivend 4 instruction booklet.
Engineer Menus and sub menus
Language – EnglishGermanDutchFrenchItalianSpanish
Currency - £ 001 or € 002
Copier Interface – Interface TypeInput InvertPulse Window
Ignore PulseRL1 DelayRL2 DelayRL3 DelayDe-Bounce
Coin Values – Coin Line 1Coin Line 2Coin Line 3Coin Line 4Coin Line 5Coin Line 6
Set Defaults – Re-configure the Minivend 4 and load the default settings.
Comms Settings – Com1 Baud rateCom2 Baud rate (Printer Port)
Language
To change the language of the messages and prompts displayed on the LCD screen and printouts.
Access the engineer menu as described on page 1, use the Black button to find Language, press the Green
button to enter into the language menu.
Press the Black or Blue button to scroll through the Language list
Press the Green button to confirm and save your selection.
3
Currency
The Currency symbol can be changed when using a different currency.
Access the engineer menu as described on page 1, use the Black button to find Currency, press the Green
button to enter into the currency menu.
The display shows the description and amount, with a flashing cursor over the first digit. “Currency £ 001”
Pound symbol is 001
Euro symbol is 002
To adjust this amount, press the Black or Blue buttons to increase or decrease the flashing digit.
The Green button will move the cursor along to the next digit and the Red button will move the cursor
backwards.
To save the new amount press the Green button repeatedly until the message “Saving” is displayed.
Coin Values
Different values can set against each of the six coin lines to allow different coin sets to be used i.e. when
using a different currency.
Coin types and associated channels are listed on the coin validator.
Access the Engineer menu as described on page 1, use the Black button to find Coin Values, press the
Green button to enter into the Coin Values sub menu.
Press the Black or Blue button to scroll through the Coin Value sub menu.
Coin Line 1Coin Line 2Coin Line 3Coin Line 4Coin Line 5Coin Line 6
Press the Green button to select the coin line required.
The display shows “Value” and the amount, with a flashing cursor over the first digit.
To adjust this amount, press the Black or Blue buttons to increase or decrease the flashing digit.
The Green button will move the cursor along to the next digit and the Red button will move the cursor
backwards.
To save the new amount press the Green button repeatedly until the message “Saving” is displayed.
NOTE: programming the value of zero into a coin line will not disable the coin line. See blocking individual
coins on page 10
Comms settings
The baud rate can be changed for both com1 and com2.
Com2 supplies the RS232 serial printer port found at the rear of the Minivend 4
Access the operator menu as described on page 1; press the Black button to find Comms Settings press the
Green button to enter into the Comms. Settings sub menu.
Pressing the Black button will scroll through the Comms. Settings sub menu.
Com1 Baud rateCom2 Baud rate
Press the Green button to select required option. The display shows the description and amount,
Press the Black or Blue buttons to increase or decrease the baud rate
The rate is adjustable by set amounts from 600 baud up to 115200 baud.
To save the new amount press the Green button repeatedly until the message “Saving” is displayed.
4
Copier Interface Menu
Access the Engineer menu as described on page 1, use the Black button to find Copier Interface, press
the Green button to enter into the Copier Interface sub menu.
Press the Black or Blue button to scroll through the Copier Interface sub menu.
Interface TypeInput InvertPulse WindowIgnore Pulse
RL1 DelayRL2 DelayRL3 DelayDe-Bounce
Press the Green button to select the required menu. Each menu will then have a list of options:
Interface Types:
Single price: One price only, Input 1, 2 & 3 are active as one, and relays are activated together. Screen
displays copy cost.
Dual status: Two price only, Input 1 active for copy pulse, input 2 active for size status signal from copier
port,
Use relay 1 or 3 to enable copier. Relay 2 is active at A3 cost & above. Screen displays copy costs.
Dual active A.I: Two price only, Input 1 active for copy pulse, Input 2 active as a steering input, i.e. from
an A3 paper pick-up clutch.
In this intelligent mode either Input 1 or Input 2 can arrive first.
On the arrival of the first signal from either input 1 or 2 the Pulse Window time period is loaded. The
Interface will wait for this period of time until a signal is seen on the other input, If both inputs are active
together, or within the period of time set in Pulse Window the cost of an A3 will be deducted.
If the first signal is from Input 1 and no other signal is present and the time period set in Pulse Window
elapses the cost of an A4 will be deducted.
Use relay 1 or 3 to enable copier & relay 2 to control the A3 paper sensor. Screen displays copy costs.
Dual Individual: Two price only, Input 1 active for A4 copy pulse, Input 2 active for A3 copy pulse.
Use relay 1 or 3 to enable copier & relay 2 to control the A3 paper sensor. Screen displays copy costs.
Dual Multiclick: Two price only, Input 1 active for copy pulse. If two pulses are seen on this input during
the time period set in Pulse Window, the cost of an A3 will be deducted.
Use relay 1 or 3 to enable copier & relay 2 to control the A3 paper sensor. Screen displays copy costs.
Dual Timed: Two price only, Input 1 active for copy pulse. This mode will measure the length of time that
input 1 is active for and compare it with the time period set in Pulse Window. If the copy pulse is longer
than the time period set in Pulse Window the cost of an A3 will be deducted.
Use relay 1 or 3 to enable copier & relay 2 to control the A3 paper sensor. Screen displays copy costs
Quad Status: Four price only, Input 1 active for copy pulse, input 2 active for size status signal from copier
port & Input 3 active for colour status signal from copier port.
Use relay 1 or 3 to enable copier. Relay 2 is active at A3 cost and above, relay 3 is active at colour cost and
above.
Screen displays copy costs relevant to copier status.
Quad Individual: Four price only, Input 1 active for A4 B&W, Input 2 active for A3 B&W, Input 3 active for
A4 COL & Input 4 active for A3 COL.
Relays are activated in binary form. Screen displays copy costs.
Quad Multiclick: Four price only, Input 1 is active for copy pulse. If a set amount of pulses are seen during
the time period set in Pulse Window the relevant cost will be deducted.
Relays are activated in binary form. Screen displays copy costs.
Octal Status: Eight price mode, as Quad Status with the addition of Input 4 active for duplex status signal
from copier port.
5
Interface types continued
MPC Interface: Eight price mode. Select this type only when an Emos Minolta Protocol Converter (MPC) is
being used. The MPC is required when connecting to a range of Minolta colour copiers.
Sharp Col. (colour) Mode: 4 price only, Recent Sharp colour copiers have individual enable inputs for
colour and B&W. use this mode when connecting to this type of machine. Input 1 active for copy pulse,
input 2 active for size status signal from copier port & Input 3 active for colour billing signal from copier
port. Use relay 1 to enable B&W copies and relay 3 to enable colour copies.
Screen displays copy costs relevant to copier status.
CVI Canon serial interface. For use when the copier is fitted with a CVI (Coin Vending Interface). An Emos
CVI serial loom will be required.
Input Invert
All four Inputs on the Minivend 4 can be inverted.
Access the Copier Interface menu as described on page 3,
Select Input Invert
The display shows “0000” (as the default setting).
0000
0001
0010
0100
1000
=
=
=
=
=
No inputs inverted
Copy input inverted
Size input inverted
Colour input inverted
Input 4 inverted
Any combination of the above can be programmed
Press the Black or the Blue buttons to change the four digits.
Press the Green key to confirm and save your selection.
Pulse Window
Used in conjunction with certain interface types. See Interface Types on page 3
Access the Copier Interface menu as described on page 3, and select Pulse Window
The display shows “1/100 sec” and the amount “025” (as the default setting) with a flashing cursor over
the first digit.
To adjust this amount, press the Black or Blue buttons to increase or decrease the flashing digit.
The Green button will move the cursor along to the next digit and the Red button will move the cursor
backwards.
To save the new amount press the Green button repeatedly until the message “Saving” is displayed.
NOTE: using the value of 0100 will achieve a Pulse Window of one second.
Ignore Pulse
When an amount is set in this option any Copy pulses that arrive after the first Copy pulse are ignored for
the duration of time selected. Operational on all inputs in Individual Interface modes.
Access the Copier Interface menu as described on page 3, select Ignore Pulse.
The display shows “1/100 sec” and the amount “000” (as the default setting) with a flashing cursor over
the first digit.
To adjust this amount, press the Black or Blue buttons to increase or decrease the flashing digit.
The Green button will move the cursor along to the next digit and the Red button will move the cursor
backwards.
To save the new amount press the Green button repeatedly until the message “Saving” is displayed.
NOTE: using the value of 0100 will ignore extra Pulses for one second.
6
Copier interface modes continued
RL1, RL2, RL3 Delay
All relays can be individually programmed to execute a delay before turning off.
Access the Copier Interface menu as described on page 3, select RL1 RL2 or RL3 Delay as required.
The display shows “1/100 sec” and the amount “000” (as the default setting) with a flashing cursor over
the first digit.
To adjust this amount, press the Black or Blue buttons to increase or decrease the flashing digit.
The Green button will move the cursor along to the next digit and the Red button will move the cursor
backwards.
To save the new amount press the Green button repeatedly until the message “Saving” is displayed.
NOTE: using the value of 0100 will achieve a relay delay of one second.
Minivend 4 Interface description
The Minivend 4 supports four optically coupled inputs and 3 single pole changeover relays together with a
12-volt DC auxiliary power supply.
Inputs
All four inputs have a wide voltage range from 3.5 Volts up to 30 Volts. Within this range no other voltage
adjustment is necessary.
The Copy input and Size input can be modified to accept a low current logic signal i.e. from a paper path
sensor. See example B on page 8
Outputs
The three relays on the Minivend 4 interface have isolated changeover contacts rated at 30 Volts 1 Amp.
Board Links LK7 to LK9 select between Normally Open (NO) or Normally Closed (NC) contacts. See
Interface and wiring schematic on page 7
0V and 12 Volt DC @ 100mA is available from the interface connector. This can be used for powering
external relays or utilised when connecting a host device that supports Voltage free (OPTO) Billing. See
example A on page 8
Diagnostic tests
Input Test
Use this facility for testing the coin input lines and pushbutton switch inputs.
This displays the inputs description on screen as the input is activated. Only one input can be tested at a
time.
Signal Test
Use this facility to diagnose copier activity. All four interface inputs are visually represented on the display
and a beeper sounds when any change in input state is seen. All relays are active when this test is running.
To select these diagnostic tests access the engineer menu as described on page 1, use the Black button to
find required test, press the Green button to start the test.
To return to ‘normal operation’ at any point during the test, turn the operator key to its normal position.
7
Serial Printer port (Com 2)
A serial printer can be connected to this port.
Report and parameter data can be printed out using an Emos handheld Printer.
Connections
Only 3 pins of the male 9 way “D” type are used.
Pin 2 Receive
Pin 3 Transmit
Pin 5 Gnd.
All other pins should be left disconnected
Communication parameters
8 bit, No parity, 1 stop bit
The Baud rate is selectable from 600 baud to 115200 see page 2. (Default baud rate is 9600)
Flow control is XON/OFF
Specifications
Power Supply
The Minivend 4 requires a regulated 12-Volt DC power supply rated at 500Ma.
The power supply should be terminated with a 2.1mm power jack and wired accordingly.
CAUTION using a different power supply or incorrect wiring of the power jack could cause permanent
damage to the Minivend 4.
Memory Back-up
The Minivend 4 has an on-board Rechargeable Ni-MH battery Part No VARTA 3V40H .The battery supports
the RAM (memory) and RTC (real time clock) when the power supply is removed.
CAUTION damage to the board, explosion or fire may result if an incorrect battery is installed.
8
Interface and wiring schematic
Minivend 4
15 way interface connector
Minivend 4
Interface loom
LK10
OPTO
DIRECT
2 Copy +V
LK11
3 Copy return
OPTO
DIRECT
4 Size +V
5 Size return
Green/Red
Yellow/Red
8 Input 4 return
Blue
10 Relay 1 NO/NC
Red
Brown
Pink
LK8
12 Relay 2 NO/NC
11 Relay 2 Com
14 Relay 3 NO/NC
NC
NO
Red/Blue
7 Colour return
9 Relay 1 Com
NC
NO
Black
LK7
NC
NO
Yellow
Mauve
Grey
LK9
Minivend 4 CPU
6 Colour & I/P 4 +V
Orange
13 Relay 3 Com
Turquoise
1 OV *
Green
15 +12V*
White
*Auxiliary power Output- Use for voltage
free billing see page 7 example A
9
Wiring configuration for Voltage Free (OPTO) Interfacing
MINIVEND 4
INTERFACE CABLE
Example A
COPIER
Copy pulse
Yellow (Copy return)
Green (0V)
HOST CPU
Size status
Red/Blue (Size return)
Link emitters to 0V
(Green wire)
Enable circuit
Brown (Relay 1 Com)
From
Minivend 4
Red (Relay 1 NO/NC)
Orange (Copy +V)
Black (Size +V)
Copiers Interface
connector housing
White (+12V)
Connect wires together
Low current Interfacing- direct to sensor
Example B
MINIVEND 4
HOST DEVICE
Select DIRECT by
changing link LK10 or
LK11
Minivend 4
Interface connector
Typical flag operated sensor layout
2 or 4
OPTO
DIRECT
3 or 5
Host CPU
Minivend 4 CPU
0V
Not used
1
OV
Important note
There is no isolation between the Minivend 4
Input & the host device’s circuits using this method
Slotted opto
Sensor
Mechanically
operated Flag
NOTE: the signal may need to be inverted see page 4
10
Minivend 4 board layouts
V066 main board
VO66 Ver3
BATT
ROM
LK10
LK11
KEYSWITCH
LK1
RAM
+
RELAYS
R5
V100
MECH
LK9
LK8
LK7
CPU
NOT USED
Output Links
DISPLAY
Turn to adjust display
contrast
V100 button board
V100
Serial
Printer port
To PL7 on V066
11
Coin Validator
The coin validator supplied with the minivend 4 is a Six coin line WH validator type EMP 890 and is
programmed with a UK coin set and a Euro coin set. Setting DIP switches on the rear of the WH validator
can enable blocking of individual coins or coin sets.
Changing to Euro’s
Disconnect power and Remove the coin validator.
Find 2 banks of DIP switches on the rear of the Validator.
ON
ON
9-16
9-16
ON
ON
1-8
1-8
- DIP switch 16 ON This has blocked the UK coin set.
This mech. will only accept Euro’s
- DIP switch 15 ON This has blocked the Euro coin set.
This mech. Will only accept UK coins
Blocking individual coins
Disconnect power and Remove the coin validator.
Find 2 banks of DIP switches on the rear of the Validator as above.
Select the DIP switch number required. (You will find this information on the Coin Validator front label)
For example:
0.02 GBP
1
0.05 GBP
3
4
0.20 GBP
7
9
To block the 20 pence coin change DIP switch 7 and 9 to the ON position
To block the 2 pence coin change DIP switch 1 to the ON position
12
Clearing Memory-Load defaults
The Minivend 4 can be re-initialised using this menu option. The RAM (memory) and RTC (real time clock)
will be cleared and default settings installed. NOTE: audit data will be lost when using this function.
Access the Engineer menu as described on page 1. Use the Black button to find Set Defaults, press the
Green button the message displayed will be “Clear – NO” If you wish to clear the memory press the Black
button the display will read “Clear – Yes” Pressing the Green button now will action this function.
The message “Clearing Memory” will be displayed after this the Minivend 4 will perform a reset then
revert to normal operation.
Memory Error
This error message is displayed permanently until reset. This error is normally caused by a full or partial loss
of data held in battery backed RAM. This error message may also occur when a newer version of firmware is
being installed.
Loss of data maybe caused by several factors; battery failure, static electricity, or power surges /
fluctuations in the mains supply are some common causes.
The RAM memory battery on this product is rechargeable and when the product is not in use for long
periods of time, memory error may occur.
If the Minivend 4 is displaying the message “Memory Error” press and hold down all four buttons whilst
turning the operator key. This action will automatically clear the memory and load the default settings.
NOTE: all data will be lost when using this function.
13
Notes
14
EMOS are specialists in:
Photo ID Systems and Supplies
Control Systems for photocopiers and laser printers
Personalised ID cards and accessories
Cashless catering solutions
Emos House, 12 Treadaway Technical Centre, Treadaway Hill,
High Wycombe, Bucks HP10 9RS
Telephone: 01628 850400
Facsimile: 01628 850251
Email: [email protected]
Website: www.emos.com