Features - Mitsubishi Electric MELSEC-A Series User Manual

1. INTRODUCTION
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I
1.2
Features
The A2C has the following features.
(1) Compact size
(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
(3.15 in)(length).
(c) The A2CI/O module has a short width of 64 mm (2.5 in).
A2CCPU
80
mm
(3.15 in)
170 mm
(6.69 in)
A2CCPUP21/R21
80
mm
(3.15 in)
170 mm
(6.69 in)
80
mm
(3.15 in)
170 mrn
(6.69 in)
A2CI/O module
•
Fig. 1.3 A2C Outside Dimensions
(2) 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)
(3) 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.
(4) Data link modules usable as master stations or local stations
The A2CCPUP21/R21 can be used as either
a
master station or a local
station in the MELSECNET link system.
The A2CCPUP21/R21 cannot be used as the master station for the third
tier.
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