FANUC Series 16/18/160/180-Model C Connection Manual (Hardware)

B–62753EN/01
6. CONNECTION OF I/O UNITS TO
MACHINE INTERFACE
99
Analog inputs received from the outside are forwarded without change to
output terminals.
Analog inputs from the spindle amp being output for load meter and speed
meter indications.
Spindle
amp
LM
SM
0M
0M
Load
meter
1, 2
5, 6
3
4
1
2
3
4
Machine operator’s
panel interface unit
CNA1 CNB1
LM
0M
0M
SM
Speed
meter
(Operator’s
panel)
Analog inputs received on the Machine operators panel interface unit are
converted to five-bit digital values, which are sent to the CNC though the
I/O link.
See Section 6.4.5 for PMC addresses.
LM conversion data : “LM03 to LM07”
SM conversion data : “SM03 to SM07”
Acceptable input voltage 0V to +15V
Voltage that can be converted to digital 0V to +10V Note)
Note
Any voltage higher than +10V is converted to the same
digital value as +10V is.
Conversion error 5% (max)
Resolution 5 bit (min)
Analog signal inputs
Ionnection diagram
(example)
Sent to the CNC
Analog signal
specifications
A/D conversion
specifications

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