FANUC Power Mate i-MODEL H CONNECTION MANUAL (HARDWARE)

B63173EN/03
6. CONNECTION OF I/O UNITS TO
MACHINE INTERFACE
183
This unit connects FANUC I/O Link master devices, such as the CNC and
Power Mate, via an I/O Link to enable the transfer of DI/DO signals.
I/O Link
Slave
I/O Link
Slave
DI DO
DO DI
System A System B
I/O Link
master
+24 V power
supply
FANUC I/O Link
connection unit
I/O Link
master
+24 V power
supply
: FANUC I/O Link
Fig. 6.11.1 System which uses FANUC I/O Link connection units
NOTE
This system enable I/O data transfer between two
independent FANUC I/O Link master device. When the
system is adjusted and maintained, the FANUC I/O Link can
be operated with the system power for one of the FANUC
I/O Link lines switched off, that is, the link operation is
stopped. In this case, DI data sent from a system at rest
consists entirely of zeros. If one of the links is stopped,
either abnormally or normally, it takes up to several hundred
milliseconds for this function to take effect. During this
period, that data which exists immediately before the link
stops is sent out. Take this into account when designing
your system.
6.11
FANUC I/O LINK
CONNECTION UNIT
6.11.1
Overview

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