Direct Devices Status; Teleprotection Channel Tests - GE D30 Instruction Manual

STATUS
The
AVERAGE MSG RETURN TIME
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
make the trip around the communications ring. The
direct output messages that have been received but fail the CRC check. High values for either of these counts can indicate
on a problem with wiring, the communication channel, or one or more relays. The
values can be cleared using the
COUNT
The
DIRECT INPUT 1

6.2.17 Direct devices status

ACTUAL VALUES  STATUS  DIRECT DEVICES STATUS
 DIRECT DEVICES
 STATUS
6
These actual values represent the state of direct devices 1 through 16.

6.2.18 Teleprotection channel tests

ACTUAL VALUES  STATUS  TELEPROT CH TESTS
 TELEPROT CH TESTS

The status information for two channels is shown here.
CHANNEL 1 STATUS
data is being received from the remote terminal; If the value is "FAIL," teleprotection enabled and data is not being received
from the remote terminal. If "n/a," teleprotection is disabled.
6-8
UNRETURNED MSG

COUNT CH2: 0
CRC FAIL COUNT

CH2: 0
DIRECT INPUT 1:

On
DIRECT INPUT 32:

On
is the time taken for direct output messages to return to the sender in a direct input/output
values (one per communications channel) count the direct output messages that do not
CLEAR DIRECT I/O COUNTERS
to values represent the state of each direct input.
DIRECT INPUT (32)
DIRECT DEVICE 1

STATUS: Offline
DIRECT DEVICE 16

STATUS: Offline
CHANNEL 1

STATUS: n/a
CHANNEL 1 LOST

PACKETS:
CHANNEL 2

STATUS: n/a
CHANNEL 2 LOST

PACKETS:
VALIDITY OF CHANNEL

CONFIGURATION: FAIL
— This represents the receiver status of each channel. If the value is "OK," teleprotection is enabled and

values (one per communications channel) count the
CRC FAIL COUNT
command.
Range: Offline, Online

Range: Offline, Online
Range: n/a, FAIL, OK
Range: 1 to 65535 in steps of 1
1
Range: n/a, FAIL, OK
Range: 1 to 65535 in steps of 1
1
Range: n/a, FAIL, OK
D30 LINE DISTANCE PROTECTION SYSTEM – INSTRUCTION MANUAL
CHAPTER 6: ACTUAL VALUES
and
UNRETURNED MSG COUNT CRC FAIL