MEI Geo Gravity Manual

Operation & Maintenance Manual
MEI Inc. 2008 254055001 Rev. G3

2
TECHNICAL SPECIFICATION.....................................................................................................................................................3
ESD PRECAUTIONS ......................................................................................................................................................................3
PRODUCT DETAIL........................................................................................................................................................................4
CLEANING ....................................................................................................................................................................................5
ON-SITE CLEANING.......................................................................................................................................................................5
THOROUGH CLEANING .................................................................................................................................................................5
MAINTENANCE .............................................................................................................................................................................5
INTERFACE DESCRIPTIONS.......................................................................................................................................................6
FIELD CONFIGURABLE INTERFACE SETTINGS:..............................................................................................................................6
INTERFACE SWITCHING MODE .....................................................................................................................................................6
RESET CCTALK COMMUNICATION PARAMETERS..........................................................................................................................6
PULSE INTERFACE: .......................................................................................................................................................................7
PARALLEL INTERFACE:.................................................................................................................................................................8
ESCROW: ......................................................................................................................................................................................9
ESCROW TIMING DIAGRAM ...........................................................................................................................................................9
PARALLEL BINARY INTERFACE: .................................................................................................................................................10
CCTALK INTERFACE: ..................................................................................................................................................................11
"TRUE"RS232: ..........................................................................................................................................................................12
TTL RS232:...............................................................................................................................................................................13
SERIAL INTERFACE:....................................................................................................................................................................14
DIMENSIONAL DETAIL.............................................................................................................................................................15
GLASS MOUNT PLASTIC BEZEL ENTRY GUIDE ............................................................................................................................15
STANDARD MOUNT PLASTIC BEZEL ENTRY GUIDE....................................................................................................................16
MODEL NUMBER DETAIL ...........................................................................................................................................................17
DIAGNOSTIC CODES ...................................................................................................................................................................17
PROGRAMMING ..........................................................................................................................................................................18
1) ENABLE A NOTE ................................................................................................................................................................18
2) DISABLE A NOTE ...............................................................................................................................................................18
3) FIELD CALIBRATION..........................................................................................................................................................18
4) INTERFACE SWITCHING MODE ..........................................................................................................................................18
NOTE: PRESSING THE DIAGNOSTIC BUTTON 4 TIMES PRODUCES NO EFFECT. ............................................................................18
Table Of Contents

3
Technical Specification
The Geo line of bill acceptors accepts bank notes through 85 mm in width. The Geo SL comes pre-
programmed, per customer specification, from the factory or can be reconfigured by customers utilizing
the gFlash program for PC’s. Software updates can also be uploaded into the Geo via a PC enabled with
the gFlash program.
Operating Voltage:12 VDC +/- 10% Operating Current: Idle: 140 mA
34 VDC I/F Accepting: 500 mA
117/220 VAC Optional Stalled: 1.1 A
Operating Temp: 0C – 60C (32F – 140F) Notes Accepted: 22 Denominations
90% non-condensing
Note Orientation: Four (4) Directions Interface Options: Pulse, Parallel, Serial,
‘True’ RS232, ccTalk
Sensor Suite: Optical I/O Ports:16 Pos. Mating Connector
RS232 Jack
(Diagnostic/Software Uploads)
Mounting: Can be mounted at any angle Currency Range: Notes 60mm through 85mm in width.
from center.
Acceptance Speed: Approx. 22 notes/min Net Weight: 1.5 lbs, 0.68 Kg
.
ESD Precautions
The Geo SL bill acceptor is used as an inside component of a gaming machine or
similar host machine. Proper grounding is conducted by connecting the Geo SL
metal mounting bracket to the metal surface of the machine chassis.
To minimize electrostatic discharge, observe the following precautions:
●When removing Geo SL from an anti-static bag, or the vending machine cabinet, lay it on
an anti-static surface such as a ESD mat or a disposable anti-static mat.
●Always wear an anti-static wrist strap connected to metal surface on the chassis of the
machine (ground) when working on Geo SL.
●Do not touch the I/O ports by hands.
●Do not disassemble the unit.

4
Product detail
3 4 5
1
2
1. Bill Entry Area 3. Data Port 5. Upper section release button
2. Mounting Bracket/BEG 4. I/O Port

5
Cleaning
We recommend a regular cleaning schedule for your Geo SL acceptor. Depending on local environmental and
usage, the Geo SL should be cleaned at least every 3 months, more regularly in areas of high dust and
contamination. The Geo utilizes IR sensors along the note path to collect data off the bank note. During use, dust,
contamination and foreign objects can collect along the note path and over the sensors, degrading their performance
over time. Cleaning your Geo SL on a regular basis will assure maximum performance and validation rates.
On-site cleaning
We realize that it may be impossible for you to remove your Geo SL out of its application while in the field to perform
a thorough cleaning. In these instances, we recommend that you obtain a can of compressed air and guide the
output toward the note entry area. This will remove any excess dust or foreign objects that may have collected over
the sensors located along the note path.
Thorough Cleaning
To perform a more thorough cleaning of the Geo SL, open the upper section by pressing on the two yellow release
buttons and lift gently (for further detail, refer to page 4 of this manual). This allows access to the note path. We
recommend that you use a mild soap/water combination and damp, dust free towel and wipe the note path area and
sensors. Do not put the water directly onto the acceptor, Only apply to a cloth. Dry thoroughly and close the upper
section.
DO NOT USE ALCOHOL OR AMMONIA to clean your Geo SL as this will degrade the sensor apertures
and drive wheels and will seriously affect the long-term reliability.
Maintenance
The Geo SL was designed to provide you with simple, trouble free operation. By keeping your Geo SL clean, you
should enjoy many years of trouble free use. Refer to the top mounted diagnostic LED on the Geo. If the LED is
flashing, refer to the diagnostic card on the top of the unit to detail the possible problem. If you cannot rectify a
problem on site, please contact your local MEI authorized service center or MEI.

6
Interface Descriptions
Field Configurable Interface Settings:
Interface Switching Mode
This feature is enabled only when the GeoSL is set to one of the following interfaces:
•Pulse
•Parallel
•Parallel binary
•ccTalk (ccTalk requires that a ccTalk interface module (VT-PCBA12) be installed in the GeoSL)
1. Power up the GeoSL and ensure that the PC-Link cable is disconnected
2. Press the Diagnostic Button 5 times. The Diagnostic LED will turn yellow and blink rapidly then after 2 seconds
become solid green. The front bezel LED’s will indicate the current interface configuration (see Table 1).
3. Press the Diagnostic Button to cycle the front bezel LED’s until the desired communication interface is indicated.
4. Press and hold the Diagnostic Button until all front bezel LED’s light up, then release the button.
The GeoSL will reset and the new communication interface will be activated.
Note: If the Interface Switching Mode is entered unintentionally, do not press any buttons for 10 seconds; the
GeoSL will resume normal operation.
Interface Front Bezel LED Pattern
Pulse
Parallel
Parallel Binary
ccTalk
Reset ccTalk Communication Parameters
If the ccTalk communication address and encryption code have been changed and the default settings are required,
then this procedure can restore ccTalk parameters back to the default settings of “40” for the address and “123456”
for the encryption code.
1) Remove power from the GeoSL.
2) Press and hold the Diagnostic Button.
3) Power up the Vector+ continuing to hold the Diagnostic Button.
4) When the Diagnostic LED turns green, release and re-press the Diagnostic Button within 1 second.
The GeoSL will reset and the ccTalk configuration will be restored back to defaults
Table 1

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Pulse Interface:
The Pulse Interface provides a corresponding signal on the output line that designates the particular note validated.
IF Cable: VA-WIRA06
Input Power: 12 VDC Connector Viewed Facing Acceptor
Pin 1: +12 VDC
Pin 2: Ground/Earth (power)
Pin 4: Credit Pulse Output (open collector to Ground/Earth)
Pin 5: Alarm Output (open collector to Ground/Earth)
Pin 6: Enable Input (tied to Ground/Earth to enable acceptor)
Pin 12: Busy (open collector to Ground/Earth. Active LOW when busy)
The Pulse Interface provides a corresponding signal on the output line that designates the particular note validated.
Pulses/Denomination: Factory set per customer specification or via
gFlash program.
Pulse Output Rate: High: 50 msec ON/50 msec OFF
Low: 100 msec ON/300 msec OFF
Always Enabled: The Geo SL can be configured to ignore the enable-input status and operate always enabled.

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Parallel Interface:
The Parallel interface provides specific output lines for designating which note has been validated. This interface
also provides for escrow and alarm functions. Outputs are open collector and can sink up to 100mA at up to 24VDC.
Inputs are TTL Default setting for the outputs is active low, it is possible to set them to operate active high with the
mFlash configuration software.
Pin 1: +12 VDC
Pin 2: Ground/Earth (power)
Pin 3: Vend Line 5 (open collector to Ground/Earth)
Pin 4: Vend Line 6(open collector to Ground/Earth)
Pin 5: Alarm Output (open collector to Ground/Earth. Prog. Logic)
Pin 6: Enable Input (tie to Ground/Earth to enable acceptor)
Pin 7: Vend Line 1 (open collector to Ground/Earth)
Pin 8: Vend Line 2 (open collector to Ground/Earth)
Pin 9: Vend Line 3 (open collector to Ground/Earth)
Pin 10: Vend Line 4 (open collector to Ground/Earth)
Pin 11: Escrow Line
Pin 12: Busy Line

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Escrow:
This mode allows 'on the fly' enabling and disabling of each denomination accepted by the bill acceptor. The enable
and escrow lines are used in combination to allow this.
The procedure for accept and return is as follows;
1. Enable line and Escrow line are held low (0V) by the host machine. On insertion of a valid bill, the bill
acceptor outputs the relevant pulse and holds the bill.
2. The host machine now has 25 seconds to accept or return this bill.
3. If the host machine wishes to accept the bill, then the escrow line should go high for at least 100mS (stack
command), the bill acceptor will stack the bill and will issue a second output to confirm. This second output
is the same as the first.
4. If the host machine wishes to return the bill, then the enable line should go high for at least 100mS (Return
command). The bill acceptor will return the bill held in escrow to the customer.
5. If no action is taken within the time limit, then the bill will be returned to the customer.
Escrow timing diagram

10
Parallel Binary Interface:
This interface utilizes the first four of the Parallel outputs. Instead of a single pulse on each line to denote a particular
denomination as in the Parallel interface, the Parallel Binary credit information is sent as a low going output pulse
(100mS) which is sent simultaneously on the required lines. This gives a maximum of 15 different denominations.
The output is determined by the inserted denomination and is generally given in ascending order of value from
lowest to highest. Please see Table 1 for details.
All inputs and other functions such as Escrow, busy etc. are as per the Parallel interface.