PROGRAMMING EXAMPLE
As an example programming sequence, the IMH is employed to monitor AC
current in a specific circuit of a plant. The proper current transformer ratio with a
5 amp AC output is selected.
DISPLAY: 0.00% at 0.000 amps AC and 100.00% at 5.000 amps AC.
Resolution of 0.05%. Normal filtering. Latch alarm #1 if the input exceeds
90.00%, alarm must be manually reset by remote input, activate display
alarms. Peak and valley
(max/min)
readings for each day to be recorded.
TOTALIZER: Integrate
(average)
the input on a per-hour basis. When the total
exceeds 13,140 activate alarm #2. Disable totalization when input falls below
10.00%.
ANALOG RE-TRANSMISSION: Drive chart recorder. 4mA @ 0.00% and
20mA @ 100.00%.
“Pro 1”.....Not required since scaling done in “Pro 2”.
“Pro 2”.....“dECPNt”
-
Enter 0.00
“round”
-
Enter 0.05
“SCALE”
-
Enter yES
“dSP 1”
-
Enter 0.00
“INP 1”
-
Enter 0.000
“dSP 2”
-
Enter 100.00
“INP 2”
-
Enter 5.000
“SEGt”
-
Enter 1
“Pro 3”.....“dSP AL”
-
Enter yES
“ENt AL”
-
Enter yES
“dSPHYS”
-
Enter NO
“rSt AL”
-
Enter NO
“dSPbUF”
-
Enter yES
“rStbUF”
-
Enter yES
“SELdSP”
-
Enter yES
“rSttOt”
-
Enter yES
“tArE”
-
Enter NO
“Pro 4”.....“FILtEr”
-
Enter 1 (normal filtering)
“E1-CON”
-
Enter 8 (reset latched alarm)
“E2-CON”
-
Not applicable
“Pro 5”....“dECPNt”
-
Enter 0
“tbASE”
-
Enter 2
“SCLFAC”
-
Enter 0.010
“Lo-cut”
-
Enter 10.00
“Pro 6”.....“trAc”
-
Enter NO
“dISP”
-
Enter yES
“LAtC-1”
-
Enter yES
“ASN-1”
-
Enter input
“AL-1”
-
Enter 90.00
“HYS-1”
-
Not applicable
“Act-1”
-
Enter HI
“LAtC-2”
-
Enter NO
“ASN-2”
-
Enter total
“AL-2”
-
Enter 13140
“HYS-2”
-
Enter 1
“Act-2”
-
Enter HI
“Pro 8”.....“ASIN”
-
Enter input
“AN-Lo”
-
Enter 0.00
“AN-HI”
-
Enter 100.0
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