Yaskawa MP920 User's Manual Design - Manual (Page 25)

1.1 Overview of the MP920
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1.1.4 Comparison between the MP920 and MP930
The following table shows differences between the MP920 and the MP930.
Item MP920 MP930
Design Concept Intelligent standalone
design Compact all-in-one
design
Configuration Power Supply Module +
CPU Module + Optional
Modules MC Unit + Expansion
I/O Units
Data Memory M Registers 32 Kwords 32 Kwords
I Registers 5 Kwords 2 Kwords
O Registers 5 Kwords 2 Kwords
S Registers 1 Kwords 1 Kwords
D Registers 16 Kwords max. 16 Kwords max.
# Registers 16 Kwords max. 16 Kwords max.
C Registers 16 Kwords 4 Kwords
Servo Parameters Fixed I/O registers (128
words/axis) Fixed I/O registers (128
words/axis)
Engineering Ports
(CPU Module) PP Service Yes Yes
MEMOBUS (Slave) Yes Yes
MEMOBUS (Master) Yes Yes
MELSEC
Communications Yes Yes
OMRON
Communications No No
Option I/O LIO DI Module (64 points) No
DO Module (64 points) No
DI/DO Module (DI/DO:
32 points each) DI/DO: 64 points
Optional Motion
Modules Analog (SVA) 4-axis (SVA-01A)
2-axis (SVA-02A) No
Digital (SVB) 14-axis 14-axis
MECHATROLINK
1-port digital servo
Pulse (PO-01) 4-axis No
Optional
Communications
Modules 217IF Yes No
215IF Yes No
218IFA Yes No
Communications with Other Vendors’
Products CPU Module supports
MELSEC protocol, and
217IF Communications
Module supports
MELSEC and OMRON
protocols. No
Hot Swapping No No