Atec Fluke-2680 Series User Manual
Page 7
Fluke 2680 Series Data Acquisition Systems Fluke Corporation 7
2680A-DIO
Totalizing input
Pre-settable starting count
up/down counter
DC coupled, non-isolated, max
+30V, min -4V
Max count: 4,294,967,295
Minimum signal: 2V peak
Threshold: 1.4V
Rate: 0-5 kHz (debounce off)
Hysteresis: 500 mV
Input debouncing: None or
1.66 ms
Digital inputs/outputs: 20
Threshold: 1.4V
Hysteresis: 500 mV
Maximum input: +30V,
min -4V; non-isolated
Logical “zero” output:
0.8V max |out = -1.0 mA
(1 LSTTL load equivalent)
1.8V max |out = -20 mA
3.25V max |out = -50 mA
Logical “one” output:
Output voltage depends on
external load
3.8V min|out = 0.05 mA
(1 LSTTL load equivalent)
Relays
Quantity: 8
Type: Form C; DPST
Current: 1 amp, non-inductive
Operation time: 75 ms
Alarm associations
Each Digital I/O may be ran-
domly assigned as a digital
input, status output, or alarm
output (associated with any
input channel or channels)
Trigger input
Minimum pulse: 5 µs
Minimum latency: 100 ms
Input “High”: 2.0V min,
7.0V max
Input “Low”: -0.6V min, 0.8V
max non-isolated, contact
closure and TTL compatible
Clock
Accurate to within 1 minute/
month for 0°C to 50°C range
General Specifications
Power
100 to 240 VAC, 50 or 60 Hz
100 VA max, or 9 to 45 VDC
(50W DC) (if both sources are
applied simultaneously, the
greater of AC or DC is used.),
at 120 VAC the equivalent DC
voltage ~14.5V
Temperature, humidity
(non-condensing)
Operating: -20°C to 28°C,
≤90% RH; 28°C to 40°C, ≤75%
RH; 40°C to 60°C, ≤50% RH
Storage: -40°C to 70°C, 5% to
95% RH
Altitude
Operating: 2000m
Storage: 12,200m
Standards
All inputs: IEC Overvoltage
rating Category II
Product conforms to the fol-
lowing safety and emisssion
standards:
EN50082-2
EN55022-1
EN55011 class A
EN610000-4-2,3,4,6,8
EN61326
EN61010-1, CAT II
CSA C22.2 No. 1010.1
Operating temperature
-20°C to 60°C (-4°F to +140°F)
Storage temperature
-40°C to 70°C (-40°F to +158°F)
Size
18.6˝ x 17˝ x 9.3˝
(473 mm x 423 mm x 237 mm)
Weight
2680A/2686A chassis only:
18.86 lbs. (8.47 kg)
2680A-FAI: 1.74 lbs. (0.79 kg)
2680A-PAI: 2.66 lbs. (1.21 kg)
2680A-DIO: 1.75 lbs. (0.80 kg)
Interfaces
Ethernet: Conforms to IEEE
802.3 Ethernet standard,
compatible with 100BaseT and
10BaseT standards, uses
TCP/IP protocol
RS-232C: For calibration only
System Requirements
System Requirements:
IBM compatible, Pentium II
processor, 333 MHz
Microsoft Windows
NT/98/2000/XP
64 MB RAM
150 MB free hard disk space
VGA or SVGA display, 100%
IBM compatible with 2 MB
Video RAM (VRAM)
CD-ROM Drive
Microsoft Internet Explorer 4.0
or later
Easy access to expansion slots and rear panel