Appendix E: Technical Specification 217 (258)
E.1.4 Network Status LED
LED State Description Comments
Off Offline
• No power
• No connection with IO Controller
Green Online (RUN)
• Connection with IO Controller established
• IO Controller in RUN state
Green, 1 flash Online (STOP)
• Connection with IO Controller established
• IO Controller in STOP state or IO data bad
• IRT synchronization not finished
Green, blinking Blink Used by engineering tools to identify the node on the network
Red Fatal event Major internal error (this indication is combined with a red
module status LED)
Red, 1 flash Station Name error Station Name not set
Red, 2 flashes IP address error IP address not set
Red, 3 flashes Configuration error Expected Identification differs from Real Identification
E.1.5 Module Status LED
LED State Description Comments
Off Not Initialized No power OR Module in SETUP or NW_INIT state.
Green Normal Operation Module has shifted from the NW_INIT state.
Green, 1 flash Diagnostic Event(s) Diagnostic event(s) present
Red Exception error Device in state EXCEPTION.
Fatal event Major internal error (this indication is combined with a red net-
work status LED)
Alternating Red/
Greed
Firmware update Do NOT power off the module. Turning the module off during
this phase could cause permanent damage.
E.1.6 LINK/Activity LED
LED State Description Comments
Off No Link No link, no communication present
Green Link Ethernet link established, no communication present
Green, flickering Activity Ethernet link established, communication present
Anybus
®
CompactCom
™
40 PROFINET IRT Network Guide SCM-1202-023 EN 1.8