User Manual

<F2. Status Indication and Responsive Measures>
F2-2
IM 01W02E01-01EN
n [ISA100] LED
If the LED turns off during operation, it may indicate that communication between YFGW510
and all eld wireless network devices has been terminated. Investigate the connection of the
ISA100.11a antenna and the condition of the antenna extension cables, and re-establish com-
munication. If no abnormality is found in the antenna, check the status of eld wireless devices
and any disturbances in wireless communication routes, and x any problems to re-establish the
communication.
If the LED lights red, it may indicate the breakdown of the communication function of YFGW510.
Replace the main body or consult with Yokogawa Electric Corporation.
n [WLAN-C1]/[WLAN-C2] LED
If the LED turns off during operation, it may indicate that communication between the eld wire-
less backbone LAN and the wireless LAN access point has been terminated. Investigate the
connection of the wireless LAN antenna and the condition of the antenna cables, and re-establish
communication. If no abnormality is found in the antenna, check for any disturbances in wireless
communication routes and x any problems to re-establish communication.
If the LED lights red, it may indicate the breakdown of communication functions. Replace the
communication devices or consult with Yokogawa Electric Corporation.
n [WLAN-AP] LED
This LED is not used in YFGW510.