
B–63833EN–1/02
17. PCMCIA ETHERNET FUNCTION
977
2) When no response is received (error)
If no response is received from the CNC, the cause is considered to be
a hardware connection error and/or software setting error. Check the
hardware connection and software settings.
Checking the influence of noise
The method of checking communication errors caused by noise is
described below.
The ping command is used for this checking as well.
The –t option of the ping command is used. Until the ”Ctrl + C” keys are
pressed simultaneously, ping packets are transmitted.
1. Influence of noise from peripheral equipment (device)
1) Turn on the power to the machine with the PCMCIA Ethernet
function for which a noise influence check is to be made, and ensure
that communication is enabled.
2) Press the emergency stop button of the machine to turn off
servo/spindle amplifier activation, then issue a ping command
from the personal computer.