Information

9
Fluke 2680 Series chassis and module selection chart
Chassis Analog
channels/
chassis
On board memory PC interface DIO/chassis
2680A 120 none Ethernet 20 DIO + 8 relay
DPST relays
2686A 120 ATA Flash to
1 GB
Ethernet 20 DIO + 8 relay
DPST relays
Module Readings/
sec (max)
Channels/type Max voltage/
accuracy
Basic TC accuracy
(type K)
2680A-FAI 1000 20/universal analog 50/0.02 % 0.8 °C
2680A-PAI 100 20/universal analog 150/300/0.01% 0.4 °C
2680A-DIO N/A 20/digital; 8/relay 30 N/A
Choose your chassis for
standalone or networked
data acquisition
The Fluke 2680 Series offers the
choice of networked data acquisi-
tion, stand-alone data logging, or a
combination of both. Choose from
two basic chassis models—the 2680A
Data Acquisition System or the 2686A
Data Logging System and then add
the modules as needed to meet your
requirements.
2680A Data Acquisition
System chassis
The Fluke 2680A Data Acquisition
System is the choice for multichannel
applications requiring reliable
Ethernet communications. It features
a front-end style data acquisition
system that communicates and
distributes data anywhere you need
it to go. The 10/100 LAN communica-
tions interface makes it compatible
with both older and newer network
platforms.
2686A Data Logging System
chassis
The Fluke 2686A Data Logging
System writes data to a memory
card for easy retrieval and storage,
making it ideal for remote locations
and mobile or non-computer assisted
data logging applications. The system
comes with a 1 GB flash memory
card, and supports memory cards of
up to 4 GB to log data in standalone
mode for easy storage and retrieval.
The 2686A is easily configured for
stand-alone data logging operations
by simply selecting a preset configu-
ration from the memory card. It can
also be used in networks in tandem
with the 2680A to provide the extra
data security of a memory card.
Choose your modules
You can equip each 2680 Series
chassis with up to six modules of the
same type or combine fast analog
input (2680A-FAI) and precision
analog input modules (2680A-PAI)
along with a digital I/O (2680A-DIO)
and relay module. Both the 2680A-
FAI and the 268A0-PAI modules
support a wide range of inputs
including dc volts, ac volts, RTD,
Ohms, thermocouple, thermistor, dc
current, ac current, and frequency.
Other sensors and transducers, such
as load cells, pressure sensors, and
displacement sensors can be easily
incorporated into your measurement
system. Buy just the modules you
need in the combinations you need
them and expand your system as
your requirements grow.
2680A-FAI: The speed to capture
dynamic process changes
The Fluke 2680A-FAI module is a
perfect choice when you need a lot
of information in a hurry and still
need to maintain a high degree of
accuracy for your measurements. The
2680A-FAI module provides chassis
throughput rates of more than 3,000
channels-per-second. Specially
manufactured field effect transistors
(FETs) allow up to + 50 V input, well
above the 15 V industry norm, and
channel-to-channel isolation to give
you more confidence in the integrity
of your measurements.
2680A-PAI provides high preci-
sion and high isolation for the
most demanding jobs
The Fluke 2680A-PAI 20-channel
high precision, high isolation module
serves the most demanding jobs
where precision and isolation are
critical. Some of the most notable
applications for this module include
temperature measurement in semi-
conductor and pharmaceutical
manufacturing, as well as nuclear
plant performance monitoring. The
2680A-PAI module offers 300 V of
isolation on two channels and 150V
on 18 channels, as well as 18 bit
resolution and excellent thermo-
couple accuracy, all in a scalable
system.
2680A-DIO: Digital I/O and relay
outputs add control
For data acquisition systems that
also require control functionality, the
Fluke 2680A-DIO digital I/O and relay
output module provides 20 digital
I/O and eight hard-contact 1 A relays
to provide the security and control
you need. This equips each chassis
to respond to a wide range of alarm
or control situations. The 2680A-DIO
also includes an up/ down counter
with preset count capability, so you
don’t need to begin all counts at zero.