I-GARD DSP-OHMNI Instruction Manual
12
When a desired number has been entered press ENTER to change the Baud Rate setting if required. The
present rate will be shown. Press p to select another setting. Only three baud rates are provided (4800,
9600 and 19.2K).
Keep pressing the p button and the selection will simply scroll through the three settings until ENTER is
pressed to finalize the Communications Set-up and show the screen of Figure 6.3. Select Y to enter this
set-up or ENTER to move to Feeder Module Set-up.
6.2 NGR
a)
SETUP NGR? Y/N
b)
IG CURRENT A 05
SET TO NGR 1-16A
Figure 6.3 Grounding Resistor Set-up
The next screen following Communications is the Grounding Resistor Setting. This setting must be set
according to the current limiting value of the grounding Resistor of the HRG system. The default value is
1A. To change the number, use the pq arrows to increase/decrease the digit under the flashing cursor
and ut to change digits.
The final value must be between 01 and 16 for 1-16A range. Press ENTER when completed.
CAUTION! THE SYSTEM WILL ALLOW YOU TO SELECT INVALID NUMBERS OUT OF RANGE, WITHOUT WARNING,
BUT THE RESULTS WILL BE INDETERMINATE.
6.3 Feeder Module
SETUP FM? Y/N
FEEDER SEL 01
TRIP ON PRIOR 00
Figure 6.4 Feeder Module Set-up
Following the OHMNI-PM set-up the display prompts for Feeder Module Set-up. Select Y to enter the
Feeder Module setup screen as shown in Figure 6.4 (b).
After installation of Feeder Modules they must be given identification numbers from 01 to 50 (maximum)
so that the Display unit can determine which module it is talking to. Each module must have a different
number. To change the number, use the pq arrows to increase/decrease the digit under the flashing
cursor and ut to change digits.
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