Precision Digital PD6830 - Manual (Page 7)

PD6830 Pulse Input Rate/Totalizer Instruction Manual
7
ENVIRONMENTAL Operating temperature range: -40 to 75°C (-20° to 75°C on
battery powered models)
Storage temperature range: -40 to 75°C
Relative humidity: 0 to 90% non-condensing
CONNECTIONS Screw terminals accept 12 to 22 AWG wire
ENCLOSURE
Explosion-proof die cast aluminum with glass window,
corrosion resistant epoxy coating, color: blue. NEMA 4X, 7, &
9, IP68.
Three ¾" NPT threaded conduit openings. One ¾" NPT metal
conduit/stopping plug with 12 mm hex key fitting installed.
MOUNTING May be mounted directly to conduit. Two slotted flanges for
wall mounting or NPS 1½" to 2½" or DN 40 to 65 mm pipe
mounting. See Mounting Dimensions on page 52.
OVERALL
DIMENSIONS 5.65" x 5.25" x 4.86" (W x H x D)
(144 mm x 133 mm x 124 mm)
WEIGHT 5.00 lbs (80 oz, 2.27 kg)
WARRANTY 3 years parts and labor
Rate Input
PULSE/
TRANSISTOR/
CONTACT CLOSURE
INPUT Field selectable; Sourcing or sinking pulse or square wave
0-5 V, 0-12 V, or 0-24 V; TTL; NPN or PNP transistor;
Open collector 100 k
Ω pull-up to 3 V;
Switch contact 100 k
Ω pull-up to 3 V;
PNP transistor 100 k
Ω pull-down to ground (COM)
Maximum Frequency: 30 kHz
Minimum Pulse Width: 16 µs
OPTO-ISOLATED
INPUT Sourcing pulse or square wave 0-5 V, 0-12 V, or 0-24 V;
Logic High: 4-30 V, Logic Low: < 1 V
Maximum Frequency: 10 kHz
Minimum Pulse Width: 50 µs
Input Current: 1 mA @ 5 V, 2.5 mA @ 12 V, 5 mA @ 24 V
LOW VOLTAGE MAG
PICKUP INPUT Sensitivity: 40 mVp-p to 24 Vp-p
Maximum Frequency: 30 kHz
MINIMUM INPUT
FREQUENCY 0.001 Hz
Minimum frequency is dependent on high gate setting.
INPUT
IMPEDANCE Pulse input: Greater than 300 k
 @ 1 kHz.
Open collector/switch input: 100 k
 pull-up to 3 V.
ACCURACY ±0.03% of calibrated span ±1 count
TEMPERATURE
DRIFT Rate display is not affected by changes in temperature.