Chapter 4. Block Diagram And System Configuration - Sharp ER-A57R1 Service Manual

CHAPTER 4. BLOCK DIAGRAM
AND SYSTEM CONFIGURATION
1. System Configuration
1) On-line data communication
On-line data communication is allowed only when the ER-A570 is a
stand-alone machine or an in-line master. The protocol is the simple
procedure. (The on-line option is not usable if the ER-A570 is an
in-line satellite.)
1 Direct connection
a) One-to-one connection
Host computer
The ER-A57R1 and ER-A5RS are Installed in ER-A570.
(The same applies to the sample connections shown
below.)
2 Connection via modems
a) One-to-one connection
Host computer
MODEM NCU
To be procured in the market
2) On-line data communication and in-line system
connection
MODEM NCU
∗ The ER-A6IN is required for the inline (SRN) system.
Satellite
ER-A570
Satellite
NCU MODEM
ER-A570
In-line master
OR
ER-A570
In-line master
ER-A570
In-line backup
master
ER-A570
NCU MODEM
In-line satellite
ER-A570
In-line satellite
in-line
system
2 ™ 3