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SW0064
Connection status (own
station)
Stores the connection status of own station.
00
H
: Normal (communication in progress on PORT1 and PORT2)
01
H
: Normal (communication in progress on PORT1, cable
disconnected on PORT2)
04
H
: Normal (loopback communication in progress on PORT1, cable
disconnected on PORT2)
10
H
: Normal (cable disconnected on PORT1, communication in
progress on PORT2)
11
H
: Disconnecting (cable disconnected on PORT1 and PORT2)
12
H
: Disconnecting (cable disconnected on PORT1, establishing line on
PORT2)
21
H
: Disconnecting (establishing line on PORT1, cable disconnected on
PORT2)
22
H
: Disconnecting (establishing line on PORT1 and PORT2)
40
H
: Normal (cable disconnected on PORT1, loopback communication
in progress on PORT2)
SW0066
Actual link scan time
(lower 1 word)
Stores the link scan time during cyclic transmission. (Unit: µs)
SW0067
Actual link scan time
(upper 1 word)
SW0068
PORT1 line error
occurrence rate (max.)
Stores the occurrence rate (maximum value) of received error frames at
the own station's PORT1. (Unit: %)
When Clear communication error count (SB0006) is turned on, the
stored occurrence rate is cleared.
SW0069
PORT1 line error
occurrence rate
(present)
Stores the occurrence rate (current value) of received error frames at the
own station's PORT1. (Unit: %)
When Clear communication error count (SB0006) is turned on, the
stored occurrence rate is cleared.
SW006A
PORT2 line error
occurrence rate (max.)
Stores the occurrence rate (maximum value) of received error frames at
the own station's PORT2. (Unit: %)
When Clear communication error count (SB0006) is turned on, the
stored occurrence rate is cleared.
SW006B
PORT2 line error
occurrence rate
(present)
Stores the occurrence rate (current value) of received error frames at the
own station's PORT2. (Unit: %)
When Clear communication error count (SB0006) is turned on, the
stored occurrence rate is cleared.
SW0070
Loopback station
number 1
Stores the number of the station where loopback is being performed. The
other loopback station number can be checked by Loopback station
number 2 (SW0071).
0: No loopback stations
1 to 120: Slave station
125: Master station
255: Station number not set
If loopback occurs at a station whose station number is duplicated, the
station number is stored in this register.
(Condition)
• This is enabled when Baton pass status (own station) (SB0047) is off.
×
Number Name Description
Availability
Master
station
(safety
station)
Local
station