94
Programless Communications
Section 5-6
MELSEC-Q/QnAS Series
Note
Direct connections to the EJ1G are possible only with RS-232C or RS-422.
5-6-2
Checking Operation
Checking Operation
with SYSMAC CS/CJ
Series PLCs
This section describes how to check operation for the configuration shown
below.
1,2,3...
1.
Connect the EJ1G and PLC.
Connect the EJ1G-HFU and Serial Communications Unit as shown in the
following diagram.
Name
Model
Communications port
Channel 1
Channel 2
Q-compatible Serial
Communications Unit
QJ71C24N
QJ71C24
RS-232C
RS-422/485
QJ71C24N-R2
QJ71C24-R2
RS-232C
RS-232C
QJ71C24N-R4
RS-422/485
RS-422/485
QnAS-compatible
Serial Communica-
tions Unit
A1SJ71QC24N
RS-232C
RS-422/485
A1SJ71QC24N-R2
RS-232C
RS-232C
SYSMAC CS/CJ Series
EJ1G
HFU
EDU
RS-232C/485
TC
Unit
No. 0
Port 1
Unit
No. 1
Summary of Contents for EJ1G
Page 3: ...iv ...
Page 17: ...xviii ...
Page 21: ...xxii ...
Page 53: ...32 Unit Configuration Examples Section 2 4 ...
Page 69: ...48 Changing SPs During Operation Section 3 3 ...
Page 81: ...60 Other Functions Section 4 5 ...
Page 145: ...124 Other HFU Functions Section 5 7 ...
Page 167: ...146 Detailed Description of Services Section 6 4 ...
Page 229: ...208 Parameters That Can Be Allocated for Programless Communications Appendix ...
Page 237: ......