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PO Box 770, Londonderry, NH 03053 1-800-821-0023 (HK) LIMITED
www.martelcorp.com 16506 USA
LASCAR ELECTRONICS LTD. LASCAR ELECTRONICS INC. LASCAR ELECTRONICS
MODULE HOUSE, WHITEPARISH, 3750 West 26th Street, FLAT C, 5/FL., LUCKY FTY. bldg., 63-65 HUNG TO ROAD
WILTSHIRE SP5 2SJ UK Erie, PA KWUN TONG, KOWLOON, HONG KONG
TEL: +44 (0)1794 884567 FAX: +44 (0)1794 884616 TEL: +1 (814) 835 0621 FAX: +1 (814) 838 8141 TEL: +852 2797 3219 FAX: +852 2343 6187
PIN FUNCTIONS
E-mail: sales@lascar.co.uk
E-mail: us-sales@lascarelectronics.com
E-mail: b4lascar@samsongroup.com.hk
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
V+
GND
IN HIA
IN HIB
IN LO
POL-B
TEST-A
TEST-B
N/C
N/C
Positive power supply connection.
0Vsupply connection.
Positive measuring differential input.
Positive measuring differential input. Analogue inputs must be no closer than 1V to the positive supply.
Negative measuring differential input.
Drive pin for channel B polarity sign.
Connect to V+ to invert polarity sign when measuring Voltage and Current simultaneously.
Connect to V+ to display all Channel A segments, except annunciators.
Connect to V+ to display all Channel B segments, except annunciators.
Not connected.
Not connected.
SAFETY
To comply with the Low Voltage Directive (LVD 93/68/EEC), input voltages to the module’s pins must not exceed 60Vdc. If voltages to the measuring inputs do
exceed 60Vdc, then fit scaling resistors externally to the module. The user must ensure that the incorporation of the DPM into the user ’s equipment conforms
to the relevant sections of BS EN 61010 (Safety Requirements for Electrical Equipment for Measuring, Control and Laboratory Use).
DISPLAYING ANNUNCIATORS
Annunciators are displayed by making the required solder links. See below for examples.
Normally
OPEN
Solder to
SHORT
Blank
VARIOUS OPERATING MODES
V1
3
1
V+
IN HIA
+5V
I
3
1
V+
IN HIA
+5V
V2
Circuit
Under Test
4
5
IN HIB
IN LO
GND
2
Power
Supply
Shunt = 0.2V
I
Shunt
Load
4
5
IN HIB
IN LO
GND
2
0V
0V
Measuring Two d.c. Voltages
Simultaneous d.c. Voltage and Current Measurement.
Invert the polarity sign of channel B by connection pin 6 to pin 1.
I 1
Load1
Shunt1
1
+5V
Circuit
Under Test
I2
Load2
Shunt2
3
4
V+
IN HIA
IN HIB
Shunt1 = 0.2V
I1
Shunt2 = 0.2V
I COM
5
IN LO GND
2
I2
0V
Measuring Two d.c. Currents.
Specifications liable to change without prior warning
DPM 702S
Issue 3
August/2002
N.D.H.
Applies to DPM 702S/2
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