SERIES 8159 SIGNAL CONDITIONER MANUAL
10
Set Point Low 2 (SPL2)
SPL2 is independent and functions identically to SPL1. SPL2 has its own relay contact outputs
and front panel LED (L2).
Hysteresis High (HH)
HH is the hysteresis value for SPH1 and SPH2. The hysteresis value determines the number of
counts the displayed reading must fall below SPH1 and SPH2 values before deactivating their
respective relays and LEDs. The maximum value of hysteresis is 99 counts while the minimum
is 00 counts.
Hysteresis Low (HL)
HL is the hysteresis value for SPL1 and SPL2. The hysteresis value determines the number of
counts the displayed reading must exceed SPL1 and SPL2 values before deactivating their
respective relays and LEDs. The maximum value of hysteresis is 99 counts while the minimum
is 00 counts.
Auto Cal (CAL)
This input allows the user to calibrate the full-scale readout to any desired engineering points.
The CAL number is entered in the same way as the Set Point and Hysteresis values. This input
must be entered prior to performing the calibration. The CAL number may be any number from
1 to 99,999. Zero is an invalid CAL number. For best stability and performance. Keep the
maximum CAL number below 19,999 counts.
Decimal Point (dP)
dP allows selection of decimal point locations for display. The locations selectable are
X.XXXX, XX.XXX, XXX.XX, XXXX.X, XXXXX.
Min./Max. Recall (HI/LO)
The HI and LO values are the maximum and minimum values, respectively, of the displayed
readings. Sign and magnitude are constantly compared with the displayed readings at the
instrument update rate. The maximum value is initialized to –99,999 and the minimum value to
99,999.
6.0
OPERATING INSTRUCTIONS
TURN-ON INSTRUCTIONS
Reference Figures 4 and 5 for proper input and output signal wiring.
1.
Apply power to the instrument.
2.
Verify the instrument readout blanks momentarily, then displays the value of the input
signal.
3.
Allow 30-minute warm-up with transducer connected.
