IAI America PCON-CFA - Manual (Page 173)

4. SCON-CA
167
CompoNet
4.4.2 Monitor LED indications
The node conditions of each controller, as well as network condition, can be checked using the two LEDs,
MS and NS, provided on the front panel of the controller.
LEDs are 2-colored illumination type (orange / green), and the colors show the status as listed below.
MS (ModuleStatus) LED
xxxxxxxxx Condition of the node (each controller)
NS (NetworkStatus) LED
xxxxxxxx Condition of network
{: Illuminating, x: OFF, ڏ: Flashing
LED Color
Indication
Status
Description
MS GN
{
In the normal operation
RD
{
A hardware error. The replacement of the board is required.
ڏ
It is a minor error such as a user setting error or configuration error. It
can be recovered by re-setting, etc.
ዉ
x The CompoNet is being initialized, or the power is not supplied.
NS GN {
The connection has been established and the communication is being
performed normally.
ڏ
The machine is on-line, but the connection has not been established.
Communication Stop. (Network is normal)
RD
{
Node address duplication.
ڏ
Communication Error. (Communication timeout has been detected)
ዉ x
The machine is not on-line.
The power to the CompoNet is not supplied.