1766-RM001A-EN-P MicroLogix 1400 Programmable Controllers ...

82 Function FilesGeneral Channel Status BlockWord Bit Description5 0 Ethernet Port Link StatusThis bit is set (1) when the Ethernet link is active.1 Ethernet Port Connection SpeedThis bit is valid when the Auto Negotiation function is enabled.This bit indicates the speed of the link layer driver operating at Ethernet port:• 0: 10 Mbps• 1: 100 Mbps2 Reserved – Always zero3 Duplex ModeThis bit is valid when the Auto Negotiation function is enabled.This bit indicates the duplex mode of the Ethernet port:• 0: Half Duplex• 1: Full Duplex4 Auto Negotiate StatusThis bit is set (1) when the Auto Negotiation function is enabled.5 Forced Speed Mode StatusThis bit set (1) when the Auto Negotiation function is disabled and the Ethernet port speed is 100Mbps.6 Forced Duplex Mode StatusThis bit set (1) when the Auto Negotiation function is disabled and the Ethernet port’s duplex mode is Full Duplex.7 Reserved - Always zero8 BOOTP Valid Flag (Default: 0, False)This bit is set (1) when the appropriate BOOTP response has been received. If BOOTP Enable Flag in Ethernet PortCommunications Configuration File is set (1, Yes) and this flag is cleared (0, False), then network-related informationis invalid.9 DHCP Valid Flag (Default: 0, False)This bit is set (1) when the appropriate DHCP response has been received. If DHCP Enable Flag in Ethernet PortCommunications Configuration File is set (1, Yes) and this flag is cleared (0, False), then network-related informationis invalid.10 BOOTP Status FlagThis bit is set (1) if BOOTP is selected as configuration method.11 DHCP Status FlagThis bit is set (1) if DHCP is selected as configuration method.Publication 1766-RM001A-EN-P - October 2008