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National Instruments Corporation 13 SSR Series Modules and Backplanes
561 Hillgrove Avenue • LaGrange, Illinois 60525 • USA • Phone: (708) 354-1040 • Fax: (708) 354-2820 • http://www.grayhill.com
An ISO-9001 Company
70G-ODC 70-ODC 70M-ODC
CIRCUITRY
Two choices of switching speed vs. leakage cur-
rent are offered. In applications where both AC
and DC must be switched with the
same module, use 70-ODC5R, 70M-ODC5R or
70G-ODC5R. These parts are dry contact relays
in an I/O module shell. All other part numbers
provide solid state switching.
DIMENSIONS
For complete dimensional drawings, see pages
29-30.
SEE CIRCUITRY AND
DIMENSIONAL DRAWING
FOR TERMINAL ID OF
70-ODC5R AND 70G-ODC5R.
G5 FUSES
Fuses are 5 Amp Littlefuse part number 217005 or
equivalent.
*Part Numbers: 70G-ODC5
70G-ODC5A
70G-ODC5B
70G-ODC15
70G-ODC15B
70G-ODC24
70G-ODC24A
70G-ODC24B
TUV Rheinland
••
* *
DC OUTPUT MODULE
34
FEATURES
• Transient Protection: Meets the
requirements of IEEE 472, "Surge
Withstanding Capability Test"
• SPST, Normally Open
• UL Recognized, CSA Certified
• G5 Modules Passed IEC801.2,
IEC801.3, and IEC801.4
• 4000 Vac Optical Isolation
• G5 Modules Provide Replaceable
5 x 20 mm Glass Fuse and Built-in
Status LED
• Lifetime Warranty
Fuse and Status LED in G5 modules only.
Solid State
Dry Contact
Fuse and Status LED in G5 modules only.
1
2
3
4
Rx
VDC
DC CONTROL
VOLTAGE
SPIKE
PROTECTION
LOAD
LOAD
DRIVER
CIRCUIT
–
+
–
+
VAC/VDC
+VCC
INPUT
GROUND
1
2
3
4
5
AMP
LOAD
LOAD
AMBIENT TEMPERATURE (˚C)
Figure 1
STANDARD & G5 PACKAGE
MINIATURE PACKAGE
200 VDC STYLE
LOAD CURRENT (AMPS)
4
3
2
1
- 40 - 20 0 20 40 60 80 100
Maximum Current Versus
Ambient Temperature
The chart indicates continuous current to limit the
junction temperatures to 115˚C. Information is
based on steady state heat transfer in a 2 cubic
foot sealed enclosure.