CM4 Four-Point Continuous Monitor
CM4 Technical Manual
7-6
The display then shows the default ID:
PT1—CM4—851–0000
The “PT1-” portion of the above display indicates the point ID
and therefore cannot be changed. You can program up to 16 total
characters, starting at the C. Example: “PT1-NORTH-CAB”
NOTE:
The default ID does not use the full length of 16 characters.
5. Press PROGRAM to scroll up or RESET to scroll down through
the 46-character alpha, numeric, and symbols shown here:
• [SPACE] 0123456789
• ABCDEFGHIJKLMNOPQRSTUVWXYZ
• _ - ) ( # / . ,
6. When the correct character appears, use CURSOR ARROW
LEFT/RIGHT to select the next space.
7. Press ENTER to save the configuration, turn off the blinking
LED for the specific point, and return to:
1=GAS/LEVELS 2=PT ID
The point ID changed message is printed.
Press RESET to return to the display:
SELECT POINT
Press RESET again and then press 1 to print the new configuration
and the date and time of change if the printer is enabled, or press 0
to return to the Set-Up Menu.
8. To define the remaining points, repeat Steps 3 through 7 when
the display in Step 7 reads:
SELECT POINT
7.4 Function 3.3 – Output Options
Use the output options function to specify parameters for:
• COM port
• Printer port
• Printer format
Also use this function to determine:
• Relay state
• 2 mA fault operational status
• EN/DIS duty cycle
7.4.1 Optional COM Port (3.3.1)
Purpose
Use the COM port function to enable the optional communication
port and specify the baud rate for communication with the Network
as either:
• 1200 baud
• 2400 baud
• 4800 baud
• 9600 baud
• 19200 baud
The default speed of 9600 baud is satisfactory for most installations.
The CM4 Communications Protocol is described in detail in
.
Instructions
1. Press PROGRAM to exit Monitor Mode.
2. From the 3–SET-UP MENU, choose the subfunction 3–OUTPUT
OPTIONS, then 1–COM PORT
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