- - - - - - - - - - - - - - - - - - - - MELSEC-A
The A2C has the following features.
(a) The A2C has compact outside dimensions: 170 mm (6.69
in)(height) x 100 mm (3.94 in)(width) x 80 mm (3.15 in) (length)
(b) The A2CCPUP21/R21 data link module has compact outside dimen-
sions : 170 mm (6.69 in) (height) x 170 mm (6.69 in) (width) x 80 mm
(c) The A2CI/O module has a short width of 64 mm (2.5 in).
Fig. 1.3 A2C Outside Dimensions
512 points of input/output control
The A2C is capable of controlling input/output operation at 512 points
specified between X/YO and X/Y1FF.
170 mm (6.69 in)
A maximum of 8K steps can be contained in one program.
With sequence instructions, basic instructions and application instruc-
tions, a maximum of 8K steps can be contained in one sequence
program. Also, microcomputer programs and utility programs made by
the user can be run in combination with a sequence program.
Data link modules usable as master stations or local stations
The A2CCPUP21/R21 can be used as either
master station or a local
station in the MELSECNET link system.
The A2CCPUP21/R21 cannot be used as the master station for the third