123
6 F 3 B 0 3 6 2
7.1 T2N Special Relays and Registers
The Ethernet Port status information is reflected in the T2N special relays and special registers.
a. Special relays (the renewing cycle of 100 ms)
Special relay Name Function
S000B Ethernet Port error
(warning) 1: The installed Ethernet Port unit is down.
(The T2N continues to operate.)
0: Reset the system from a user program after resolving the
error in the down Ethernet Port.
b. Special registers
T2N read out the internal station status of Ethernet Port and copy the SW register (the
renewing cycle of 100 ms).
Special registers Name
SW063 CH1 station status
c. Station status format
FED C B A 9876543210
Bit F: DOWN (down)...........................................1: Down mode, 0: Other than down mode
Bit E: INZ (initialization).....................................1: Initialization in progress
0: Initialization completed
Bit D: STBY (standby).........................................1: Standby mode
0: Other than standby mode
Bit C: RUN (run)..................................................1: Run mode, 0: Other than run mode
��Bit 5: MTEN (Message transmission)..................1: Enabled, 0: Prohibited
Bit 4: STEN (socket interface transmission).........1: Enabled, 0: Prohibited
Bit 0: TEST (test).................................................1: Test function execution in progress
TESTMTENSTBYDOWN STENRUNINZ