2680A/2686A
Users Manual
A-30
Block Diagrams
A/D Input Card (one of six)
Removable 20
channel input
port with built in
temp sensor
Switch Matrices
(FET or Relay)
Ctrl
DC
Power
Bus
Data
Power
Data
Ctrl
Isolated
Power
Power
Daughter
Card
Opto-
isolators
M
o
t
h
e
r
b
o
a
r
d
/
C
o
n
t
r
o
l
l
e
r
A/D #2
TCP/IP
Network
Display/
Keypad
A/C and Battery
Supply Circuits
Line Voltage or
Battery Voltage
Controller
RAM
FLASH
Real Time clock
ATA Card
Ethernet
RS232
RS232
(cal/test)
A/D #3
A/D #4
A/D #5
DIO or A/D #6
External Trig out
External Trig in
Filter
and
A/D
circuits
Microprocessor
PCMCIA Type II
Memory Slot
alg50f.eps
Figure A-1. 2680 Series Chassis
Summary of Contents for 2680A
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