Direct Inputs - GE B30 Instruction Manual

CHAPTER 6: ACTUAL VALUES
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.

6.3.15 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)
6.3.16 Direct devices status
ACTUAL VALUES  STATUS  DIRECT DEVICES STATUS
 DIRECT DEVICES
 STATUS
These actual values represent the state of direct devices 1 through 16.
B30 BUS DIFFERENTIAL SYSTEM – INSTRUCTION MANUAL
AVERATE MSG RETURN

TIME CH1: 0 ms
UNRETURNED MSG

COUNT CH1: 0
CRC FAIL COUNT

CH1: 0
AVERAGE 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.
DIRECT DEVICE 1

STATUS: Offline

DIRECT DEVICE 16

STATUS: Offline
values (one per communications channel) count the
UNRETURNED MSG COUNT
command.
Range: Offline, Online
Range: Offline, Online
STATUS
6
and
CRC FAIL
6-9