PT PT200MI - Comparator Output (Optional)

PT200MI instruction manual 23
8.2 COMPARATOR (SET-POINT) OUTPUT (OPTIONAL)
Refer to the appendix if installation of the option is required.
8.2.1 COMPARISON CONDITIONS
1) If comparison condition F19 = 0,
HH output on = gross weight value > HH set-point
HI output on = gross weight value > HI set-point
LO output on = gross weight value < LO set-point
LL output on = gross weight value < LL set-point
2) If comparison condition F19 = 1,
HH output on = net weight value > HH set-point
HI output on = net weight value > HI set-point
LO output on = net weight value < LO set-point
LL output on = net weight value < LL set-point
3) If comparison condition F19 = 2,
When the PT200MI displays gross weight value,
HH output on = gross weight value > HH set-point
HI output on = gross weight value > HI set-point
LO output on = gross weight value < LO set-point
LL output on = gross weight value < LL set-point
When the PT200MI displays net weight value,
HH output on = net weight value > HH set-point
HI output on = net weight value > HI set-point
LO output on = net weight value < LO set-point
LL output on = net weight value < LL set-point
8.2.2 COMPARATOR OUTPUT DESCRIPTION
The comparator outputs are open collector transistors. Please refer to the drawing on page 7 for the
connection diagram. The bracketed items refer to the outputs when the single component
batching software option is installed. The comparison rate is 200 times/Sec.
HH (OP) High high set-point (Optional Preliminary) LO (FF) Low set-point (Free Fall)
HI (PL) High set-point (Preliminary) LL (ZB) Low low set-point (Zero Band)
EMTR COM Common for above
The normal operating output rating is 5VDC to 24VDC and the max. current is 0.3A.
Isolate PT200MI from external controlled devices in order to reduce interference.
A diode should be connected in parallel with the DC operated buffer relay to protect the circuitry.
PT200MI
HH (OP)
HI (PL)
LO (FF)
LL (ZB)
Buffer Relays
EMTR COM
5~24 VDC
+
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