Notes about printer reports:
* Print field headers are printed only after monitor initialization.
* All system error messages are truncated to 8 characters.
* Fractional data is displayed as xx-xx-xx (feet-inches-fractions).
* Due to limited space, no negative sign can be displayed for negative fractional data.
* Print on alarm reports are denoted by any asterisk in column 80.
* Alarm messages are truncated to 3 characters (i.e. PRDHH is shown as PHH, INTLO is
shown as ILO, etc.)
Example: Printer Report:
TANK ID PRODUCT INTR TEMP GOVP NSVP ALARMS TIME
TANK#1: 119.55 2.35 70.4 73478 73456 PHI ILO THI 14:23
TANK#2 267.43 1.25 68.3 23678 23780 PHI THI
TK529 465.32 5.68 56.6 773478 772636 ILO TLO
TANK#1: 119.55 2.35 70.4 73478 73456 PHI ILO THI 16:23
TANK#2: 267.43 1.25 68.3 23678 23780 PHI THI
TK529 465.32 5.68 56.6 773478 772636 ILO TLO
TANK#1: 119.55 2.35 70.4 73478 73456 PHI ILO
16:45*
The Level Plus communication system allows the user to enable or disable the communi-
cation checksum function. If the checksum function is enabled, the system will calculate
and append a two-byte checksum value to the end of each message transmitted. Press
the MODE key to enable/disable the checksum function or ENTER to continue.
NOTE
The checksum function only applies to standard Level
Plus protocol modes. When checksum mode is
enabled, data is transmitted as 8 bits with no parity
to allow transmission of the binary checksum data.
The receiving communication equipment must be set
to match this format or data communication errors
will occur. Additional information on the checksum
function can be found in the COMMUNICATION PRO-
TOCOL section of this manual.
NOTE
If you are using a Level Plus Monitor with Modbus
ASCII or Modbus RTU communications protocol, this
screen is not available.
COM PORT CHECKSUM
DISABLED (OFF)
‘Mode’ TO CHANGE
‘Enter’ TO CONTINUE
41
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