Rate input – Precision Digital PD6830 User Manual
Page 9

PD6830 Pulse Input Rate/Totalizer Instruction
Manual
9
ISOLATION
All Models:
500 V opto-isolated input-to-power/output with
isolated input enabled
PD6830-
BTA:
500 V input-to-output
PD6830-
APA:
500 V input/power-to-output
Note: Requires separate output supply
ENVIRONMENTAL
Operating temperature range: -40 to 75°C
Storage temperature range: -40 to 75°C
Backlight deactivated below temperatures ≈ -20°C
Relative humidity: 0 to 90% non-condensing
NON-VOLATILE
MEMORY
All programmed settings and total reading are stored in non-
volatile memory for a minimum of ten years if power is lost.
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. Copper-free (0.3%).
Default conduit connections: Three ¾" NPT threaded conduit
openings. One ¾" NPT metal plug with 12 mm hex key fitting
installed. Additional conduit opening configurations and plugs
may be available; verify quantity and sizes on specific device
labeling during installation.
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 96.
OVERALL
DIMENSIONS
5.67" x 5.24" x 4.88" (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 CLO-
SURE
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 kΩ pull-up to 3 V;
Switch contact 100 kΩ pull-up to 3 V;
PNP transistor 100 kΩ pull-down to ground (COM)
Active input 100 kΩ to battery level, 10 kΩ to power
Maximum Frequency: 64 kHz
Minimum Pulse Width: 5 µs
Threshold Setting Low (V)
High (V)
Normal
1.2
2.0
Low
0.2
1.2