11.3
MULTIPLE UNIT OPERATION
There are several options for installation of multiple units in close proximity. The following list of
examples will be helpful in determining an appropriate method of connection.
For proper operation, each walk-through metal detector must be set to receive no interference
from adjoining units. This can be determined by observing the bar graph indication of one unit
while switching the remaining unit(s) from OFF to OPERATE. If the noise flicker increases on the
BAR GRAPH of a unit, then it may be necessary to select another set-up.
11.3.1
CASE I
Description:
•
Two (2) or more units which interfere with each other;
•
Both units plugged into same power line (same circuit breaker).
Procedure:
•
Set all units to MASTER ;
•
Set end unit to CHANNEL 1 ;
•
Set next unit to CHANNEL 2;
•
Repeat pattern of CHANNELS 1,2 and 3 for any additional units.
11.3.2
CASE II:
Description:
•
Two (2) or more units that interfere with each other;
•
Units not plugged into the same power line or units with battery back-up option which may be
required to operate in the absence of AC power.
Procedure:
•
Disconnect units from power line
•
Open Access Door of Detection Unit
•
Remove three (3) screws thqat hold controller cover;
•
Use synchronization wire (18 to 24-gauge, 2 conductor) between units; connect as shown:
•
Set the end unit to MASTER CHANNEL 1 and make sure this unit is connected to either AC
power or battery power at all times;
•
With the exception of the first and last units, the SH-3 jumper must be removed. This jumper is
located on the Controller Board Assembly (See illustration for exact location);
•
Replace covers and reconnect power;
•
Set all other units to SLAVE;
•
Set the remaining units to CHANNEL 2 and 3;
•
Repeat pattern of CHANNELS 1, 2 and 3 for any additional units.
MT 5500
User Manual
© 2006 GARRETT METAL DETECTORS 40
PN 1530200.F.0506
Содержание 1167700 MT 5500
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