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Digital Input/Output:
Vin (L): < 0.8V (TTL)
Vin (H): >2.0V (TTL)
Vout (L): <0.8V @ lout = -400 mA
Vout (H): >2.4V@ lout = 1 mA
Vin(H) Max: <42V with external open-drain pull-up
Keysight DAQ970A/DAQ973A User's Guide
WIRING LOG
SLOT Number
Ch
Name
01 (DIO 1)
Bit 0
Bit 1
Bit 2
Bit 3
Bit 4
Bit 5
Bit 6
Bit 7
GND
02 (DIO 2)
Bit 0
Bit 1
Bit 2
Bit 3
Bit 4
Bit 5
Bit 6
Bit 7
03 (Totalizer) Input (+)
Input (-)
Gate
Gate
04 (DAC 1)
Output
GND
05 (DAC 2)
Output
GND
Threshold Jumper Position: rTTL rAC
Refer to the diagrams on
page 37
Totalizer:
Maximum Count: 67,108,863 (226 - 1)
Totalize Input: 100 kHz (max)
Signal Level: 1 Vp-p (min), 42 Vpk (max)
DAC Output:
±12V, non-isolated
lout: 10 mA max per DAC; 40 mA max per mainframe
3 Features and Functions
100
200
Comments
to connect wiring to the module.
300
207
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