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IPN 074-505-P1E
IC6 Operating Manual
2. Error code returned
(continued)
f. F = Cannot change value
now
f. The command sent is for
a parameter that cannot be
changed while the IC6 is
executing a Process; place
the IC6 in the READYstate
in order to change the value
g. G = Bad checksum g. Checksum value does
not match the value sent by
the host's application
program, may be caused by
noise on the RS232 cable
or the checksum is not
calculated properly by the
applications program
h. 0 = Data overrun h. I/O port unable to keep
up with data transfer rate;
lower BAUD rate, increase
speed of host's applications
program by; using a
compiled version of the
program, stream lining
program execution, use a
faster CPU
Table 15-9 Troubleshooting computer communications (continued)
SYMPTOM CAUSE REMEDY
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