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OODMANUAL 0720
KAM CONTROLS, INC.
O P E R AT I O N C O N T I N U E D
4.
To set the alarm (DIGITAL OUT) type the command "=proc,ALMHi,<value>"
For example: "=proc,ALMHi,5000" (5000 is the ppm level where the alarm will activate).
5.
Click on "Send ASCII." The configured values for process parameters will be displayed. The new alarm value will be
displayed next to "Alarm Value" FIG. 4-9.
New alarm
value
FIG. 4-9
ENABLING / DISABLING MODBUS
Unless requested, Modbus is usually disabled prior to shipment from KAM. If not done so already, please install and
configure RealTerm as per instructions on pages 20-22 of this manual.
1.
Connect your PC to the OOD sensor via the supplied RS232 serial cable and USB to serial converter as per the
wiring diagram on page 14 of this manual. To access the boards, use a 7/16" wrench to remove the (6) hex
screws on the Explosion Proof electronics enclosure and remove the cover.
2.
Launch RealTerm on your computer. Go to the "Send" tab, type “?modbus” on either command box and click on
"Send ASCII" to check Modbus status. The Modbus parameters will appear on the RealTerm window. FIG. 4-10.
FIG. 4-10
