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Chapter 3
Functional Details
This chapter discusses the functional details of the SCC-8-8-2 baseboard. For functional details of the OEM
DAQ board, refer to the hardware manual specific to the SC-1608 Series;
USB-1608GX-2AO-OEM: www.mccdaq.com/PDFs/manuals/USB-1608GX-2AO-OEM.pdf
USB-1608GX-OEM: www.mccdaq.com/PDFs/manuals/USB-1608GX-OEM.pdf
USB-1608G-OEM: www.mccdaq.com/PDFs/manuals/USB-1608G-OEM.pdf
E-1608-OEM: www.mccdaq.com/PDFs/manuals/E-1608-OEM.pdf
SCC-8-8-2 baseboard components
The location of each component on the baseboard is shown in Figure 4.
External power connectors J1 and J2
8B I/O module control jumpers J29 and J30 (for CH8)
J29: AOUT0 readback or convert to input module location
J30: AOUT0 voltage divider
E-1608-OEM connectors J3, J4, and J37
8B I/O module control jumpers J31 and J32 (for CH9)
J31: AOUT1 readback or convert to input module location
J32: AOUT1 voltage divider
8-position DIP switch for SSR module direction
8B I/O module mounting locations CH8 and CH9
Non-invert/Invert logic control jumper W1
CJC Enable jumpers J21 to J28
USB-1608G-OEM Series connectors J5to J6
R1 - R8 resistor locations
SSR I/O module mounting locations SSR0 to SSR7
8B module screw terminals
SSR I/O module status LEDs (8)
SSR I/O module screw terminals
User I/O header connector J35
8B input module mounting locations CH0 to CH7
Figure 4. SCC-8-8-2 baseboard components
External power connectors
External power can be connected to either power connector J1 (barrel connector) or J2 (terminal block). Do not
attempt to apply power to both power connectors simultaneously.
Connector J1 connects to the +12 VDC external power supply included in the SCC-8-8-2 shipment.
Connector J2 connects to a user-supplied +12 VDC power supply.
Figure 5 shows a schematic for external power connectors J1 and J2.
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