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7 Component Communications
7 - 2
E5
C-T Digital Temperature Controllers Programmable Type Communications Manual (H186)
7-1
Component Communications
You can use component communications to connect two or more E5
@
C slaves to the E5
@
C-T master
via RS-485 and then transfer the fixed SP or program SP or change the RUN/RESET status for all of
the Controllers at the same time. If you transfer the fixed SP or program SP or change the RUN/RESET
status of the master (i.e., the Controller with a communications unit number of 0), the set points or
RUN/RESET status of all of the slaves (i.e., the Controllers with communications unit numbers other
than 0) that are connected via RS-485 will change automatically. When you transfer the set points, the
set point from the master can be multiplied by a factor or offset at each slave.
•
Transferring the Program SP (Program SP Mode)
•
Transferring the Fixed SP (Fixed SP Mode)
Note 1
To use component communications, the input type and, if an analog input is used, the decimal point
position must be set to the same values for all of the E5
@
C-T/E5
@
C Controllers. The operation will not
work correctly if the position of the decimal point is different.
2
When the Reset Operation parameter is set to fixed SP operation, the SP mode status will automatically
change according to the RUN/RESET status. In RUN status, the Controller will change to program SP
mode. In RESET status, the Controller will change to fixed SP mode.
3
The E5
@
CT that acts as the master automatically changes the write mode of the slave E5
@
C from backup
mode (mode for writing set values to non-volatile memory) to RAM write mode (supported from July 2016,
items manufactured at our factory (Version 1.2)).
7-1-1
Introduction
25
0
C
25
0
C
25
0
C
0: Master
1: Sla
v
e
Fixed-
v
al
u
e Controllers
E5
C
n: Sla
v
e
RU
N
RU
N
All sla
v
es from 1 to n are a
u
tomatically
changed in order to RU
N
stat
u
s and
the program SP is transferred.
Master changed to
RU
N
stat
u
s.
Programma
b
le Controller
E5
C-T
Fixed SP of master changed to 100.
25
0
C
25
0
C
25
0
C
0: Master
1: Sla
v
e
n: Sla
v
e
SP=90
SP=120
The set point of each
sla
v
e can
b
e calc
u
lated.
Fixed SP of master
changed to 100.
Summary of Contents for E5CC-T
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