Maintenance; Serial Interface (Ethernet) Errors; Cabling Errors; Replacing The Light - Omron F250-C50 C55 - SETUP 09-2001 Manual

Maintenance

5-1-7

Serial Interface (Ethernet) Errors

Problem
No communications are possible.
The Unit operates well initially, but
after a while there is no response
from the F250.
The response from the F250 is
slow.
(It takes too long to transfer data
and errors occur.)
Cannot perform menu operations
from the computer.
5-1-8

Cabling Errors

Problem
A recommended OMRON RS-232C
cable is not being used.
Can a commercially available cable
be used instead of the R150-VM
Monitor Cable?
5-2

Maintenance

5-2-1

Replacing the Light

46
A 10 Base-T Crossover Cable is not being used for a 1:1 connection.
10 Base-T Straight-through Cables are not being used for the 1:N connec-
tions.
Power is not being supplied to the HUB, the settings are incorrect, or the
connections are incorrect.
The personal computer's IP Address and Subnet Mask settings are not
correct or the settings are duplicated in another device.
The F250's IP Address and Subnet Mask settings are not correct or the
settings are duplicated in another device.
The IP Address set for the F250 in the computer's communications soft-
ware is incorrect.
The communications mode was set to Normal or Menu in the System
settings/Communication/Serial window.
The status of communications can be checked with the I/O monitor.
The F250 is being accessed by another computer.
Communications are being affected by a noise source (such as a power
line) that is too close to the F250 or communications cables.
Communications are not set for a TELNET connection (TCP/IP, port 23) in
the computer's communications software.
The reception buffer on the external device (e.g., computer) is full. Check
that settings allow the data to be properly received.
The IP Address of the F250 or computer is duplicated in another device.
Communications are being affected by a noise source (such as a power
line) that is too close to the F250 or communications cables.
The network's communications load is too heavy.
The computer's processing load is too heavy. (A program that requires a
lot of processing capacity is being run simultaneously.)
The communications mode was not set to Menu in the System settings/
Communication/Serial settings.
One of the following OMRON cables can be used. Select a cable that
works with the device being connected.
Connecting to a PC/AT or compatible computer (9-pin connector)
• XW2Z-200S-V (2 m)
• XW2Z-500S-V (5 m)
Connecting to a SYSMAC device (9-pin connector)
• XW2Z-200T (2 m)
• XW2Z-500T (5 m)
Yes, as long as it's a pin jack cable (with a yellow connector) for video
signal connection.
• The Light will gradually lose brightness over time (about 20% loss after
1,500 hours of use). Replace the Light after about 1,500 hours of use.
Probable cause
Probable cause
Section 5-2