3 System Overview
96 Keysight 34970A/34972A User’s Guide
The multifunction module
The multifunction module (34907A) adds two additional measurement input
capabilities to the system: digital input and event totalize.
The multifunction module also contains a dual voltage output (DAC) which is
described in more detail on page 84.
Digital input
The multifunction module has two non-isolated 8-bit input/output ports which
you can use for reading digital patterns. You can read the live status of the bits on
the port or you can configure
a scan to include a digital read. Each port has a separate channel number on the
module and contains 8-bits. You can combine the two ports to read a 16-bit word.
8
8
Bit 0
Bit 0
Bit 7
Bit 7
Port 1 (LSB)
Channel 01
Port 2 (MSB)
Channel 02
Digital
Input
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