RDS SAM 400 Manuale utente

“SAM 400”

Speed-Area-Distance Meter

Calibration and Operation

Software Reference WZ200-0 rev. 6

Electro-Magnetic Compatibility (EMC)

This product complies with

Council Directive 2004/108/EC

when installed and used in accordance with the relevant

instructions.

Service and Technical Support

PLEASE CONTACT YOUR NEAREST DISTRIBUTOR

If unknown then fax: 44 (0) 1453 733322

Document number

S/DC/500-10-533: Issue 4 : 6/7/07

\UK533-4.DOC

User Guide

SAM 400 SPEED-AREA-DISTANCE METER

Contents

Overview_______________________________________________3

Operation ______________________________________________4

Channel Selection.................................................................................................... 4

Forward Speed Display -Channel 1 ........................................................................ 5

Forward Speed Alarm Outputs ................................................................................ 5

Area / Distance Measurement -Channel 2 and 3..................................................... 5

View Area / Distance Totals............................................................................ 5

Reset Area / Distance Totals.......................................................................... 6

Area Override and Part Width operation .................................................................. 6

(i) On-Off Switch...................................................................................... 6

(ii) Optional Width Correction Interface .................................................... 7

(iii) Area Compensation Interface.............................................................. 7

Work Rate -Channel 4 ............................................................................................. 8

Engine Hours -Channel 5........................................................................................ 8

Reset Engine / Ignition Hours ........................................................................ 8

RPM -Channel 6 ..................................................................................................... 8

Calibration _____________________________________________9

View Working Width ................................................................................................. 9

Set Implement Width/Nozzle spacing .................................................................... 10

ACI Input -Set No. of Nozzles per Section ............................................................ 10

Metric/Imperial Selection........................................................................................ 11

Speed Sensor Setup.............................................................................................. 11

'AutoCal' 11

Manually calculating the Factor ................................................................... 12

Number of Sensor magnets ......................................................................... 13

Example Calculation 1 ................................................................................. 13

Example Calculation 2 ................................................................................. 13

Manually setting the Factor .......................................................................... 13

Set Forward Speed Alarm Thresholds ................................................................... 14

Select Engine / Ignition Hours ............................................................................... 14

RPM Sensor Factor................................................................................................ 14

Changing the RPM Sensor Factor................................................................ 15

Wiring Connections –SAM 400 (without WCI/ACI) ________16

Wiring Connections –SAM 400 (With WCI / ACI)__________17

Connections for Cable S/CB/327-1-063....................................................... 18

SAM 400 SPEED-AREA-DISTANCE METER

Overview

The RDS SAM 400 Speed-Area-Distance Meter is a versatile, simple to use

instrument. It displays to the vehicle operator,

?? Forward Speed (km/hr or miles/hr)

?? Partial and Total Area (hectares or acres)

?? Distance (km or miles)

?? Instantaneous Work Rate (Ha/hr or acres/hr)

?? Engine Hours

?? RPM (optional)

The displayed information can be converted from Metric to Imperial units at

any time.

The instrument also has two programmable forward speed alarms that also

operate two outputs that may be utilised to control (unspecifed) aspects of a

machines operation.

The SAM 400 can be programmed by the operator for implements of any

practical width and for any sensing wheel size.

The SAM 400 system comprises :

?? The Head Unit.

?? A Forward Speed Sensor kit.

?? An automatic cut-out switch to prevent area accumulation when turning on

headlands etc.

?? A power supply kit.

?? Shaft Speed Sensor (optional)

If the SAM 400 is to be used on a number of vehicles, each vehicle can be

equipped with a 'transfer kit' to enable the head unit only to be transferred

simply between vehicles.

The SAM 400 can also be used in conjunction with the RDS Area

Compensation Interface (ACI) or Width Compensation Interface (WCI) to

ensure accurate area monitoring when using partial implement width.

SAM 400 SPEED-AREA-DISTANCE METER

Operation

Figure 1

The instrument will normally be powered through the vehicle ignition system

and will be on whenever the vehicle ignition is on. The display is permanently

illuminated.

Channel Selection

Simply press the button to cycle through the six different channels that

can be displayed.

ENTER PROGRAM

MODE

Decrease Cal

Factor

Increase Cal

Factor

Override Area/

Distance

accumulation

Reset Part/Total

Area/Distance

SELECT CHANNEL

Fwd Speed

RPM

Channel Indicator

Part/Total

Area

Part/Total Distance

Work Rate

Engine Hou

SAM 400 SPEED-AREA-DISTANCE METER

Forward Speed Display -Channel 1

Channel 1 displays the current forward speed.

Forward speed is measured via a sensor suitably mounted to a wheel hub or

a convenient location to the vehicle drivetrain. Speed is displayed either in

miles/hr or km/hr according to the units selected in the CAL Mode.

NOTE: In order to display the correct speed and accumulate distance correctly, the

instrument must be programmed with the correct Speed Sensor Factor

(SSF).

Forward Speed Alarm Outputs

There are two programmable alarm thresholds -a 'Maximum Speed' alarm

and a 'High Speed' Alarm. Each alarm also operates an output, to control

some aspect of a machines function, e.g. 4-wheel steering, engine cutoff

etc.

Refer to the Calibration section on how to set the alarm thesholds.

Area / Distance Measurement -Channel 2 and 3

View Area / Distance Totals

Channel 2 displays accumulated area and channel 3 displays distance

travelled. Area is calculated from the distance travelled and the implement

working width, and is displayed either in acres or hectares according to the

units selected in the CAL Mode.

NOTE: The accuracy of these totals is dependent on correct speed sensor

calibration, and programmed width.

High Speed Alarm

Instrument beeps, alternately displays

speed and 'HI.SP'. Output 2 switched on

Default = 19 km/hr

Maximum Speed Alarm

Output 1 switched on

Display as normal

Default = 50 km/hr

SAM 400 SPEED-AREA-DISTANCE METER

For both area and distance there are two memory registers -a 'Part' total

("tot.1") and a 'Full' Total ("tot.2"), which can be independently reset. For

example the part total register may be utilised for individual jobs, fields etc,

whereas the 'full' total register may be the daily total.

The lefthand indicator indicates which total is currently displayed. To display

the appropriate total, first select the area or distance channel. Then press the

CAL button to toggle between "tot.1" (part total) and "tot.2" (full total).

Reset Area / Distance Totals

The full total ("tot.2") can only be reset

with the security link in place on the

instrument connector.

Select the appropriate total (as above)

then press and hold the button.

The lefthand indicator will flash and the

instrument will beep for 5 seconds after

which the total is reset to zero.

Area Override and Part Width operation

(i) On-Off Switch

As standard the system will have an on-off override switch installed.

Depending on the particular application, this may be a simple manually

operated switch, or it could operate automatically. The area/distance will

stop accumulating when the implement is put out of work. The channel

indicator will flash when area/distance accumulation is overridden and will

be on permanently when area/distance is being recorded.

Area/distance accumulation can also be overridden at any time by pressing

the button.

Whichever channel is selected, the display will then alternate between the

channel readout and the message 'HeLd'.

Press to resume area/distance accumulation.

Figure 2: Reset Area Total

SAM 400 SPEED-AREA-DISTANCE METER

(ii) Optional Width Correction Interface

A Width Correction Interface (WCI)

enables the operator to select a part width

-1/4, 1/2, 3/4, or full width as required.

When the WCI is switched to a part width,

the display will alternate between the

currently selected channel and '1/4', '1/2',

'3/4' or 'FULL' corresponding to the switch

position, and area accumulation is

reduced accordingly.

The WCI works in addition to the standard area override switch.

(iii) Area Compensation Interface

An Area Compensation Interface (ACI) connects between the SAM 400 and

the sprayer switchbox. It detects which boom sections are on/off in order for

the instrument to calculate the actual working width and apply the correct

rate.

NOTE: The Nozzle spacing and No of nozzles per section are programmed for each

section in turn, in the CAL mode.

Width Correction Interface

SAM 400 SPEED-AREA-DISTANCE METER

Work Rate -Channel 4

This is the instantaneous work rate displayed in either hectares per hour or

acres per hour, depending on the units set in the Cal mode.

If a WCI switch or an ACI is installed, the work rate is automatically

recalculated based on the implement part width in operation.

Engine Hours -Channel 5

The instrument displays either the total engine hours, or the total hours that

the instrument is powered on, depending on the setting in the CAL mode.

Reset Engine / Ignition Hours

The "Engine Hours" channel can be reset in the same way as the "Partial

Area" and "Total Area" channels, however, the security link wire must be

connected from the terminal labeled “Security Link" on the AMP connector,

to 0V.

Select the channel then press and hold the button.

The display will flash for 5 seconds before the total is reset to zero.

RPM -Channel 6

Channel 6 typically displays the spinner speed, PTO speed or Engine speed,

but it can be for any other rotating shaft depending on your particular

application.

SAM 400 SPEED-AREA-DISTANCE METER

Calibration

The instrument has two calibration modes. In calibration mode 1 you can

view and change the Forward Speed Sensor Factor, Implement Width/Nozzle

spacing, No. of nozzles per section (if ACI installed), Units, and RPM Sensor

Factor.

In calibration mode 2 you can set the forward speed alarm thresholds.

To allow entry to the CAL Modes, the Security Link Wire must be

connected to 0V.

View Working Width

Press and hold the right outermost

switch.

After a two-second delay, the display will

show one of the following,

(i) If a standard on-off override switch is fitted,

the display will show 'FuLL' when the

machine is in work and 'ZErO' when the

machine is out of work (or the hold button

is pressed).

(ii) If a Width Compensation Interface (WCI) is

fitted the display will show 'FuLL', '3/4',

'1/2', or '1/4' corresponding to the switch

position on the WCI.

(iii) If an Area Compensation Interface (ACI) is

fitted on a sprayer, the display will show

the number of nozzles for the boom

sections that are currently switched on.

E.g. An ACI is fitted on a 24 metre sprayer

with 5 boom sections. The nozzle spacing

is 0.5 metres and there are 10, 10, 8, 10,

and 10 nozzles respectively on each

section, giving 48 nozzles in total.

If the instrument has been programmed

with an implement width of 0.5 metres,

when all boom sections are on, the ACI

will signal the instrument that there are 48

nozzles in use, e.g. the display will show

48,

(48 x 0.5 m = 24 metre full width).

Width Compensation Interface

Figure 3: View No of Nozzles

SAM 400 SPEED-AREA-DISTANCE METER

Set Implement Width/Nozzle spacing

The factor to be programmed is the full, effective working width of the

implement.

NOTE: If an ACI is connected on a sprayer, the implement width is equal to the

nozzle spacing, e.g. 0.5 metres, You must then programme the ACI input

(number of nozzles per section).

1. Press and hold the CAL button while switching the instrument on.

2Select the channel.

3. Use the small left and right buttons to set the width/nozzle spacing in metres

or inches as appropriate.

ACI Input -Set No. of Nozzles per Section

1. Press and hold the CAL button while switching the instrument on.

2Select the channel.

NOTE: For single section sprayers fitted with a simple cutout switch, the number

should be the total no. of nozzles for the boom.

If none or more than one section is switched on, the display will show "----"

and you can't programme the no. of nozzles.

3. If connecting an ACI module into the

sprayer switchbox, switch on one section

at a time.

4. Using the small left and right buttons, set

the number of nozzles for that section.

5. Repeat for each section in turn.

Figure 4: Set Nozzles per section

Section

Nozzles

Indice

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