Mitsubishi MELSEC-F FX2N-1RM-E-SET, User Manual

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BFM Assignment 7
7-1
FX
2N
-1RM-E-SET Programmable Cam Switch
7. BFM Assignment
This section describes the buffer memory (BFM) of the FX
2N
-1RM.
When the FX
2N
Series PLC is connected to the FX
2N
-1RM, data can be read/written from/to the
BFM by FROM/TO instructions. (Refer to Paragraph 7.3.)
When two or three FX
2N
-1RM units are connected, FROM/TO instructions are available in only
the unit nearest to the PLC main unit.
The second and third FX
2N
-1RM units can write and read data from the PLC main unit via the
first FX
2N
-1RM unit.
7.1 BFM list
BFM No. Name
Initial
value
Remarks R: For read W: For write
K: Keep
File register
assignment No.
#0 Initial setting 0

W, K D7144
#1 Reference angle (ADJ) 0
×
1 value (1 degree),
×
2 value (0.5 degree)
Refer to Paragraph 6.5.
W, K D7145
#2
#8002
#9002 *1
Bank No. specification (00 to 07) 0
Valid when bank specification
is set to PLC.
W

#3
#8003
#9003 *1
Command 0

W

#4 Output prohibition (Y00 to Y17) 0
Prohibits output when each bit
is set to ON.
W

#5 Output prohibition (Y20 to Y37) 0
Prohibits output when each bit
is set to ON.
W

#6 Output prohibition (Y40 to Y57) 0
Prohibits output when each bit
is set to ON.
W

#7 Executed bank No.
 
W

#8
#8008
#9008 *1
Current angle (degrees)

×
1 value (1 degree),
×
2 value (0.5 degree)
R

#9
#8009
#9009 *1
Rotation angle (r/min)
 
R

#10
#8010
#9010 *1
Output status (Y00 to Y17)

Monitors output status when
each bit is set to ON/OFF.
R

#11
#8011
#9011 *1
Output status (Y20 to Y37)

Monitors output status when
each bit is set to ON/OFF.
R

#12
#8012
#9012 *1
Output status (Y40 to Y57)

Monitors output status when
each bit is set to ON/OFF.
R

#13
Speed of automatic angle advance
S0 (r/min)
0

W, K D7146
#14
A n g l e a d v a n c e q u a n t i t y o f
a u t o m a t i c a n g l e a d va n c e S 0
(degrees)
0
×
1 value (1 degree),
×
2 value (0.5 degree)
W, K D7147
#15
Speed of automatic angle advance
S1 (r/min)
0

W, K D7148
#16
A n g l e a d v a n c e q u a n t i t y o f
a u t o m a t i c a n g l e a d va n c e S 1
(degrees)
0
×
1 value (1 degree),
×
2 value (0.5 degree)
W, K D7149