
Personal Daq User’s Manual 878695 Signal Management 5-3
Channel Control and Expansion
In a Personal Daq system, the quantities and types of Personal Daqs used, as well as the types and
quantities of PDQ expansion cards used, determines the system’s channel capacity. Up to 100 Personal
Daqs can be used with one host PC.
Total channel capacity of a Personal Daq system can be calculated from the following tables:
Channel Capacities for Various Personal Daq Setups
Personal Daq/54
olts Inputs TC Inputs Digital I/O Freq/Pulse Inputs
Personal Daq/54
----
No Expansion ----
5 DE, or 10 SE 5 DE
---- N/A ---- ---- N/A ----
Personal Daq/55 Systems
olts Inputs TC Inputs Digital I/O Freq/Pulse Inputs
Personal Daq/55 5 DE, or 10 SE 5 DE 8 2
Personal Daq/55 with PDQ1 15 DE, or 30 SE 15 DE 24 2
Personal Daq/55 with PDQ2 25 DE, or 50 SE 25 DE 8 2
Personal Daq/56 Systems
olts Inputs TC Inputs Digital I/O Freq/Pulse Inputs
Personal Daq/56 10 DE, or 20 SE 10 DE 16 4
Personal Daq/56 with PDQ1 20 DE, or 40 SE 20 DE 32 4
Personal Daq/56 with PDQ2 30 DE, or 60 SE 30 DE 16 4
DE = Differential Mode, SE = Single-Ended Mode
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