GE Multilin
N60 Network Stability and Synchrophasor Measurement System
6-7
6 ACTUAL VALUES
6.2 STATUS
6
6.2.12 DIRECT INPUTS
PATH: ACTUAL VALUES
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STATUS
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DIRECT INPUTS
The
AVERAGE MSG RETURN TIME
is the time taken for direct output messages to return to the sender in a direct input/output
ring configuration (this value is not applicable for non-ring configurations). This is a rolling average calculated for the last
ten messages. There are two return times for dual-channel communications modules.
The
UNRETURNED MSG COUNT
values (one per communications channel) count the direct output messages that do not
make the trip around the communications ring. The
CRC FAIL COUNT
values (one per communications channel) count the
direct output messages that have been received but fail the CRC check. High values for either of these counts may indicate
on a problem with wiring, the communication channel, or one or more relays. The
UNRETURNED MSG COUNT
and
CRC FAIL
COUNT
values can be cleared using the
CLEAR DIRECT I/O COUNTERS
command.
The
DIRECT INPUT 1
to
DIRECT INPUT (64)
values represent the state of each direct input.
6.2.13 DIRECT DEVICES STATUS
PATH: ACTUAL VALUES
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STATUS
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DIRECT DEVICES STATUS
These actual values represent the state of direct devices 1 through 16.
DIRECT INPUTS
AVG MSG RETURN
TIME CH1: 0 ms
MESSAGE
UNRETURNED MSG
COUNT CH1: 0
MESSAGE
CRC FAIL COUNT
CH1: 0
MESSAGE
AVG MSG RETURN
TIME CH2: 0 ms
MESSAGE
UNRETURNED MSG
COUNT CH2: 0
MESSAGE
CRC FAIL COUNT
CH2: 0
MESSAGE
DIRECT INPUT 1:
On
MESSAGE
DIRECT INPUT 2:
On
↓
MESSAGE
DIRECT INPUT 64:
On
DIRECT DEVICES
STATUS
DIRECT DEVICE 1
STATUS: Offline
Range: Offline, Online
MESSAGE
DIRECT DEVICE 2
STATUS: Offline
Range: Offline, Online
↓
MESSAGE
DIRECT DEVICE 16
STATUS: Offline
Range: Offline, Online
