PDW30 Point-to-Point Wireless Bridge Instruction Manual
5
Specifications
Except where noted all specifications apply to operation at +25°C.
General
Display
32-character dual-line alphanumeric
dot matrix LCD display with back-
light (4.68mm x 2.21mm characters)
Display Orien-
tation
Display may be mounted at 180°
from default orientation
Network ID
Field selectable: 0 - 99
Programming
Methods
Four programming buttons (behind
glass) or PC with PDW Manager soft-
ware.
Recalibration
All ranges are calibrated at the fac-
tory. Recalibration is recommended
at least every 12 months.
Process/ Digi-
tal I/O
Display
Press the
display
button once to
display the present analog input and
output. Press the
display
button
again to display digital I/O states.
Password
A programmable password restricts
modification of program settings.
Power
12-28 VDC, 5 W max
Non-Volatile
Memory
All programmed settings are stored
in non-volatile memory for a mini-
mum of ten years if power is lost.
Isolation
500 V
Environmental
Operating temperature range:
-40 to 65°C (display inoperable
< -20 °C); Storage temperature
range: -40 to 85°C; Relative humid-
ity: 0 to 90% non-condensing
Connections
Removable screw terminal blocks
accept 12 to 22 AWG wire.
Enclosure
Cast aluminum with glass window,
0.30% max copper content, corro-
sion resistant powder coating, color:
blue. NEMA 4X/IP68. Three ½" NPT
threaded conduit openings. One ½"
NPT stainless steel conduit plug
with 10 mm hex key fitting installed.
Mounting
May be mounted directly to conduit.
Two mounting holes for 1.5" pipe or
wall mounting. See Mounting Di-
mensions on page 28 for mounting
space requirements.
Signal Con-
nector Tight-
ening Torque
2.2 lb-in (0.25 Nm)
Shipping Di-
mensions
17" x 14" x 9" (43.2 cm x 35.6 cm x
22.9 cm) (L x W X H)
Shipping
Weight
5 lbs. (2.27 kg)
Warranty
3 years parts & labor
Wireless Radio
Frequency
900 MHz
Range
500 ft (152.4 m) indoor, 1 mi
(1.61 km) outdoor (line-of-sight)
Encryption
AES 128-bit encryption available
using PDW Manager software
Interference
Reduction
Frequency Hopping Spread Spec-
trum (FHSS)
Power Output
24 dBm (250 mW)
Sensitivity
-101 dBm
Analog Input
Inputs
Field selectable: 4-20 mA, 0-10 V, 0-
5 V, 1-5 V
Accuracy
±0.03% of calibrated span ±1 count
Temperature
Drift
0.005% of calibrated span/
C max
from 0 to 65
C ambient, 0.01% of
calibrated span/
C max from -40 to
0
C ambient
Calibration
Range
Input Range Min Span Input 1 & 2
4-20 mA
10 V
0.15 mA
0.01 V
An error will appear if the input 1
and input 2 signals are too close.
Input
Impedance
Voltage ranges: greater than 500
k
; Current ranges: 50 - 100
(de-
pending on resettable fuse imped-
ance)
Signal Loss
Inputs will remain off (open circuit)
until wireless units are reconnected.
HART Trans-
parency
Analog input will not interfere with
existing HART communications on
the wired 4-20 mA signal
Isolated 4-20 mA Transmitter Output
Output Source
Analog input from connected wire-
less unit
Calibration
Factory calibrated: 4.000 to 20.000
= 4-20 mA output
Accuracy
± 0.1% of span ± 0.004 mA
Temperature
Drift
0.4 µA/
C max from 0 to 65
C ambi-
ent, 0.8 µA/
C max from -40 to 0
C
ambient
Note: Analog output drift is
separate from input drift.
Signal Loss
mA output will become 3.2 mA after
approx. 25 seconds
Output Loop
Resistance
Power supply Minimum Maximum
24 VDC
10-ohms 900-ohms
Digital Input / Output Terminal
Channels
Four (4) digital connections, inde-
pendently field selectable as either
inputs or outputs
DI Logic High
3 to 5 VDC
DI Logic Low
0 to 1.25 VDC
DO Logic High
3.1 to 3.3 VDC
DO Logic Low
0 to 0.4 VDC
Source Cur-
rent
0.5 mA maximum output current
Sink Current
1.5 mA minimum input current
Signal Loss
Digital output goes to logic high
