19665 Desco, 19665 Datasheet - Page 2

• Manufacturer Part Number: 19665
• Description: MONITOR DUAL WIRE CONTINOUS 120V
• Manufacturer: Desco
• Type: Monitorr

Specifications of 19665

• Features: Monitors Two Operators
• Power Supply Type: 120V AC
• For Use With/related Products: Wrist Straps
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

TB-3019 Page 2 of 4
Figure 3. Installing the Dual Wire - Dual Operator
Programmable Monitor
G. Route the work surface monitor wires from the back of the
H. Route the operator remote wires to the monitoring unit and
Mat Grounding
It is recommended to connect the mat wire (10mm snap) from
the monitor and the mat ground wire (10mm snap) to two
separate points on the bench mat as shown in Figure 4.
Figure 4. Grounding the work surface mats
I. Plug the DC power supply plug into the power jack in the
WRIST
STRAP
MONITOR
monitor unit, to the snaps/bolts attached to the grounded
surfaces. Attach the white ground wire to the operator #1
work surface and the black ground wire to the operator #2
work surface.
insert the modular plugs into the appropriate jacks on the
rear of the unit. (See Figure 2)
rear of the unit. Route the wire from the supply to a nearby
AC outlet and plug the power adapter into the outlet. Make
sure the voltage and frequency match those listed on the
AC adapter. The monitor should now be powered.
10mm snap needs to pierce
and clinch bottom side of
mat. Snap needs to be at
least 12" apart or 72" max.
MAT 1 WIRING
-WHITE CABLE
OPERATOR 1
WORK -SURFACE
OPERATOR 2
REMOTE JACK
10mm PUSH &
CLINCH SNAP
-WHITE CABLE
MAT #1
or
DESCO
GREY MAT WIRE
19665
EAST - One Colgate Way, Canton, MA 02021-1407 • [phone] • Fax [phone] • Web Site: Desco.com
ELECTRIC
GROUND
DESCO WEST - 3651 Walnut Avenue, Chino, CA 91710 • [phone] • Fax [phone]
BLACK MAT WIRE
Mat ground cord
10mm snap needs to pierce
and clinch bottom side of
mat. Snap needs to be at
least 12" apart or 72" max.
Ground Ref. Wire
MAT 2 WIRING
-BLACK CABLE
OPERATOR 2
WORK -SURFACE
10mm PUSH &
CLINCH SNAP
MAT #2
WRIST
STRAP
MONITOR
OPERATOR 2
REMOTE JACK
-BLACK CABLE
or
Screw allows ground cord to
be bolted to mat; keeps cord
from disconnecting.
BENCH
GROUND
Figure 5. Connecting wrist straps to the operator remote
NOTE: The operator remote has two jacks. One is a 3.5 mm
mono jack for use with a dual wire wrist strap. A dual wire
wrist strap plugged into this jack will be monitored. The other
jack is a grounded banana jack for use with carts, equipment,
or other grounding applications. This grounded point is not
monitored.
Status Indicators
The audible alarm for Operator 1 and Ground 1 is continuous.
The audible alarm for Operator 2 and Ground 2 is a repetitive
beep. If a fault condition exists for both operators and/or both
grounds, the alarm will sound continuously. The alarm volume
may be adjusted with the potentiometer on the rear of the unit
(see Figure 2).
Figure 6. LED features and components
Operation
Wrist Strap Connections
Once all the connections described above have been made
and the unit has been powered up, the unit is ready for
opera tion. Install operator wrist straps and ground wires. Dual
snaps on the operator ground wires attach to the wristband
snaps and the mono plug on the other end inserts into the
operator remote as illustrated in Figure 5. The opera tor’s
monitoring is in “STANDBY” mode until the operator’s ground
wire is plugged into the remote jack for that station.
Green LED indicates good wrist cord and operator
resistance between 1.9 Meg Ohms and 10 Meg Ohms
to monitored ground.
Red LED indicates resistance higher than 10 Meg Ohms
between operator and monitored ground followed by a
continuous alarm for OPERATOR 1 and a repetitive alarm
for OPERATOR 2.
Yellow LED blinking indicates stand-by mode, no operator connected.
Yellow LED non- blinking indicates resistance lower than 1.9Meg Ohms
between operator and monitored ground
Red LED indicates resistance is higher than
3.5 Meg Ohms from ground through work
surface or open connection to ground.
GROUND 1 will continuously alarm and
GROUND 2 will repetitvely alarm.
Green LED indicates good work surface
resistance to hard ground connection.
© 2010 DESCO INDUSTRIES INC.
Employee Owned