Direct Inputs - GE C30 Instruction Manual

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CHAPTER 6: ACTUAL VALUES
actual value is the time synchronizing source the relay is using at present. Possible sources are: Port 1 PTP
RTC Sync Source
Clock, Port 2 PTP Clock, Port 3 PTP Clock, IRIG-B, SNTP, and None.
The
is the grandmasterIdentity code being received from the present PTP grandmaster, if any. When the
Grandmaster ID
relay is not using any PTP grandmaster, this actual value is zero. The grandmasterIdentity code is specified by PTP to be
globally unique, so one can always know which clock is grandmaster in a system with multiple grandmaster-capable
clocks.
is the estimated maximum time error at present in the RTC, considering the quality information imbedded in the
Accuracy
received time signal. The value 999,999,999 indicates that the magnitude of the estimated error is one second or more, or
that the error cannot be estimated.
is the present state of the port's PTP clock. The PTP clock state is:
Port 1...3 PTP State
DISABLED is the port's function setting is Disabled
NO SIGNAL if enabled but no signal from an active master has been found and selected
CALIBRATING if an active master has been selected but lock is not at present established
SYNCH'D (NO PDELAY) if the port is synchronized, but the peer delay mechanism is non-operational
SYNCHRONIZED if synchronized
is the time difference, measured in nanoseconds, between the fractional seconds portion of the time
PTP - IRIG-B Delta
being received via PTP and that being received via IRIG-B. A positive value indicates that PTP time is fast compared to IRIG-
B time.

6.2.15 Direct inputs

ACTUAL VALUES  STATUS  DIRECT INPUTS
 DIRECT INPUTS
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
to
DIRECT INPUT 1
DIRECT INPUT (32)
C30 CONTROLLER SYSTEM – INSTRUCTION MANUAL
AVG MSG RETURN
TIME CH1: 0 ms
UNRETURNED MSG
COUNT CH1: 0
CRC FAIL COUNT
CH1: 0
AVG MSG RETURN
TIME CH2: 0 ms
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
CRC FAIL COUNT
CLEAR DIRECT I/O COUNTERS
values represent the state of each direct input.
values (one per communications channel) count the
UNRETURNED MSG COUNT
command.
STATUS
6
and
CRC FAIL
6-7

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