Determining The Error From The Current Situation For Communications Errors - Omron EJ1 User Manual

Determining the Error from the Current Situation for Communications Errors

7-4 Determining the Error from the Current Situation for
Communications Errors
EST2-2C-MV3 CX-
Thermo Support
Software
Cannot connect online
Connection
PC
Connection port
Computer USB
EJ1
(EDU)
172
This section provides troubleshooting information for communications errors.
No Communications between the EST2-2C-MV3 CX-Thermo Support Soft-
ware and the EJ1
Status
There is no power supply to
the EJ1.
The USB-Serial Conversion
Cable is not connected.
The EST2-2C-MV3 CX-
Thermo Support Software
E58-CIFQ1
settings are incorrect.
EJ1
Connection
port
Port A
(Connector)
The serial port setting in the
EST2-2C-MV3 CX-Thermo
Support Software communi-
cations settings does not
show "E58-CIFQ1".
There is no device on the
communications path with the
specified unit number.
There is a device on the com-
munications path with the
same unit number.
The Programmable Terminal
is connected directly to port A
and performing communica-
tions.
Possible cause
Supply power from the EDU power
supply terminal.
Connect the cable.
Correct the communications settings.
Serial port:
Baud rate:
Data length:
Stop bit:
Parity:
Unit number:
Note Match the serial port and unit
The driver for the E58-CIFQ1 USB-
Serial Conversion Cable is not
installed.
Install the driver from the CD-ROM
included with the product.
Specify a unit number in the commu-
nications settings for a device on the
communications path.
Change the unit number in the com-
munications settings so that the unit
numbers are not duplicated.
Both the Support Software and a
Programmable Terminal cannot be
connected to port A.
Either turn OFF the Programmable
Terminal or move the Programmable
Terminal to the System Screen and
stop Programmable Terminal com-
munications.
Section 7-4
Countermeasure
COM (See note.)
(E58-CIFQ1 Serial Port)
38.4 (kbps)
7 (bit)
2 (bit)
Even (bit)
(See note.)
number settings to the system
used.