FlexTest IIm Controllers
MTS 793 Controller Hardware Introduction
31
Model 497.01 Analog Chassis
The plug-in modules installed in the 497.01 Analog Chassis provide
four main functions:
• Interlock control—An interlock control plug-in module provides
programmable interlock signal mapping between the test
processor and the modules installed in this analog chassis.
• Processor/Analog Chassis communications—A communications
module provides data conversion between the test processor and
the 497 analog plug-in modules.
• Transducer conditioning—AC and DC conditioners provide
transducer excitation and output signal amplification for both low-
level and high-level transducers.
• Valve drive signals—Valve drivers provide drive current for two-
and three-stage servovalves according to command inputs
received for each channel.
This chassis shows the maximum complement of modules for a standard
FTIIm system. Customized systems can use all the module locations.
Note This chassis has rear panel transition modules and I/O connectors
to support up to four independent test stations.
Out 1
Gnd
Out 2
Gnd
Ch
1
Ch
2
497.26
Dual Valve
Out 1
Gnd
Out 2
Gnd
Ch
1
Ch
2
497.26
Dual Val ve
Out 1
Gnd
Out 2
Gnd
Ch
1
Ch
2
497.26
Dual Valve
Out 1
Gnd
Out 2
Gnd
Ch
1
Ch
2
497.26
Dual Val ve
+15V
-15V
-5V
Stat ion
Inte rlocks
Power OK
497.34
Station Cntrl
1
2
3
4
Reset
497.35
RS422 Com
Fault
Xmit
Ready
x10
x1
497.22
DC Cond
U Lim
L Lim
Excit
Fail
R-Cal
2
Out1
Out2
Gnd
Ch
1
Ch
2
R-Cal
1
497.22
DC Cond
U Lim
L Lim
Excit
Fail
R-Cal
2
Out1
Out2
Gnd
Ch
1
Ch
2
R-Cal
1
497.22
DC Cond
U Lim
L Lim
Excit
Fail
R-Cal
2
Out1
Out2
Gnd
Ch
1
Ch
2
R-Cal
1
497.22
DC Cond
U Lim
L Lim
Excit
Fail
R-Cal
2
Out1
Out2
Gnd
Ch
1
Ch
2
R-Cal
1
U Lim
L Lim
Excit
Fail
Out
Gnd
497.14
AC Cond
U Lim
LLim
Excit
Fail
Out
Gnd
497.14
AC Cond
U Lim
L Lim
Excit
Fail
Out
Gnd
497.14
AC Cond
U Lim
L Lim
Excit
Fail
Out
Gnd
497.14
AC Cond
Analog
Chassis
(Front Panel)
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