Emerson Copeland PerformanceAlert, Installation And Operation Manual

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Individual PerformanceAlert™ Module Status Operation • 19
CNT will be the number of times a HIGH DISCHARGE
PROTECTION alert must occur in a single 24-hour period
to cause a lockout.
If you wish to set a lockout setpoint for an alert code,
enter the desired maximum number of daily occurrences in
the field. If you do not wish to lockout for an alert code, set
the field value to 255. Table 7-2 shows the minimum and
maximum values for each field.
The Open CDT field sets the delay time (in minutes) of
the lockout that will occur when an open circuit condition
is present. Enter a desired lockout time between 60 and 180
minutes.
The Minimum ON Time and Minimum OFF Time
fields set the minimum ON and OFF times of the compres-
sor (in minutes or tenths of a minute). Specify the desired
minimum times from 0.1 to 15.0 minutes.
7.2.4. Communication Statistics
The Communication Statistics screen is designed to
help troubleshoot potential network problems between the
Gateway and a PerformanceAlert
™ module. From the In-
dividual Menu, select 4 to view the Communication Statis-
tics screen.
MSG SNT: The total number of messages sent.
NO RESP: The number of messages that resulted in no
response.
BAD CRC: The number of messages received that had
a bad CRC.
INVALID: The number of messages that resulted in an
unexpected response (such as a MODBUS exception)
MX: The maximum number of consecutive times an er-
ror condition was detected in responses.
To clear all counts on this screen, press the CANCEL
key. The MSG SNT, NO RESP, BAD CRC, INVALID,
and MX counts will all reset to zero.
7.2.5. Resets
From the "Reset" menu option, you may clear a Perfor-
manceAlert ™ module’s history log or reset the module it-
self. From the Individual Menu, select 5 to view the Reset
Menu.
7.2.5.1. Clear History Log
Performing a "Clear History" operation will erase all
history statistics for the selected PerformanceAlert ™ mod-
ule (see Section 7.2.2. ). Select 1 from the Reset menu to
clear history.
Press RIGHT ARROW to move the cursor to the Clr
History field, and press the MINUS "-" key to toggle the
field from "NO" to "YES." Press RIGHT ARROW and UP
ARROW to execute the change and return to the Reset
menu. The history will be erased.
7.2.5.2. Reset PerformanceAlert ™ Module
By selecting "Reset PF Alert" you may force a reset of
the PerformanceAlert ™ module. Select 2 from the Reset
menu to reset the module.
Press RIGHT ARROW to move the cursor to the Reset
Unit field, and press the MINUS "-" key to toggle the field
from "NO" to "YES." Press RIGHT ARROW and UP AR-
ROW to execute the change and return to the Reset menu.
The module will reset.
Property Min # of
Occurrences
Max # of
Occurrences
C1 LOUT CNT 2 6
C2 LOUT CNT 2 10
C3 LOUT CNT 2 240
C4 LOUT CNT 2 10
C6 LOUT CNT 1 10
C7 LOUT CNT 1 10
Table 7-2 - Min/Max Field Values for LOUT CNT Parameters
SELECT: 4
1=STATUS 4=STATS
2=HISTORY5=RESET
3=CONFIG
MSG SNT: 45520
NO RESP: 2
BAD CRC: 0
INVALID:0 MX:1
SELECT: 5
1=STATUS 4=STATS
2=HISTORY5=RESET
3=CONFIG
SELECT: 1
1=CLEAR HISTORY
2=RESET PF ALERT
THIS WILL CLEAR
THE HISTORY LOG.
CLR HISTORY: NO
SELECT: 2
1=CLEAR HISTORY
2=RESET PF ALERT
THIS RESTARTS
THE PF ALERT.
RESET UNIT : NO