
B–63003EN/04
10. CONNECTION TO FANUC I/O Link
291
Fixed addresses directly supervised by the CNC (for FS21i)
7 6 5 4 3 2 1 0
SKIP ESKIP –MIT2 +MIT2 –MIT1 +MIT1 ZAE XAE
X0004 SKIP6 SKIP5 SKIP4 SKIP3 SKIP2 SKIP8 SKIP7
SKIP ESKIP SKIP5 SKIP4 SKIP3 ZAE YAE XAE
SKIP6 SKIP2 SKIP8 SKIP7
X0005
X0006
X0007
X0008 *ESP
X0009 *DEC4 *DEC3 *DEC2 *DEC1
The upper row indicates those signals used for the T series. Those in the
lower row are for the M series.
X0018 (for 3rd MPG)
X0019 (DO alarm
detection)
X0004
X0005
X0006
X0007
X0008
X0009
X0010
X0011
X0012
X0013
X0014
X0015
X0016 (for 1st MPG)
X0017 (for 2nd MPG)
When DI addresses are allocated in units of 16 bytes, starting at X0004
*ESP fixed signal
*DECn fixed signal
Allocating DI addresses from X0004 allows the fixed signals,
such as SKIP and *DECn, to be used and the *ESP fixed
signal to be allocated to an address for which the common
voltage in fixed to 24 V.
Input signal
Not used
DO alarm
detection
MPG
All the DO signals can be turned off simultaneously by turning off
(opening) the DO (output signal) power supply pin “DOCOM”. Doing
so causes the DO signal status to change as shown below.
DOCOM
ON
OFF
ON
OFF
ON
OFF
When DO is ON in
the sequence
When DO is OFF
in the sequence
Turning the DO (output
signal) power on and off
(DOCOM)