Advertisement
Table 3
Alarm/
Status
Codes
L
Low Lithium Battery Alarm: When
L
lithium battery voltage is below 2.5 VDC. A new lithium battery
measures approximately 3.6 VDC.
→
Transmitting Data:
←
Receiving Data:
!
Nak. Negative Acknowledgement w/packet list.
+
Ack. Positive Acknowledge of receipt of request.
Waiting for Ack. Waiting for response after transmission.
?
Exception Alarm Processing.
ID Recognized.
Listen Cycle. Flashes if this remote port is active and
running Totalflow Remote Protocol. Flashes in sync with
listening cycle that occurs at 1, 2 or 4 second intervals. May
not be visible if baud rate is faster than 2400.
M
MODBUS ASCII: Modbus ASCII protocol is selected for the
port assigned to this annunciator.
m
MODBUS RTU: Modbus RTU protocol is selected for the
port assigned to this annunciator.
L
Local Protocol. Displayed when PCCU32 port is active and
running TOTALFLOW Local Protocol.
20
Alarm & Status - Codes and Description
I/O Subsystem
Communications
Description
(low lithium) is displayed,
L
L
Advertisement
