118
Programless Communications
Section 5-1
• RS-232C
• RS-485
• Attach terminating resistance (110 to 125
Ω
) to pins 6 and 7 on the EDU
port B if there are problems with communications noise resistance.
Note
Refer to
Related Manuals
on page xiv for the operating methods for SYSMAC
CS/CJ-series CPU Units and Serial Communications Boards/Units.
B1
B2
B3
B4
B5
B6
B7
B8
B9
A1
A2
A3
A4
A5
A6
A7
A8
A9
EJ1N-HFU
@
-NFLK
SD
RD
RS
CS
SG
FG
Signal
2
3
4
5
9
Shell
Pin
No.
SYSMAC
CJ/CS Series
RS-232C
Turn ON pin 8 of SW2
to set RS-232C.
SD
RD
SG
RS-232C
Shield
RS-485
B(+)
A(
−
)
EJ1N-HFU
@
-NFLK
SYSMAC
CJ/CS Series
RS-485
Shield
Signal
B1
B2
B3
B4
B5
B6
B7
B8
B9
A1
A2
A3
A4
A5
A6
A7
A8
A9
1
2
6
8
Shell
Pin
No.
RDA
−
RDB+
SDA
−
SDB+
FG
Содержание EJ1 EtherCAT
Страница 2: ...EJ1 Modular Temperature Controllers User s Manual Revised July 2008 ...
Страница 3: ...iv ...
Страница 19: ...xx ...
Страница 213: ...188 Detailed Description of Services Section 6 4 ...
Страница 227: ...202 Detailed Description of Services Section 7 5 ...
Страница 251: ...226 Determining the Error from the Current Situation for Heater Burnout Alarm Errors Section 8 8 ...
Страница 303: ...278 Index ...
Страница 305: ......