PDW30 Point-to-Point Wireless Bridge Instruction Manual
9
Power Connector
Power connections are made to a two-terminal connector
labeled POWER in Figure 1. The meter will operate re-
gardless of DC polarity connection. The + and - symbols
are only a suggested wiring convention.
Make sure that the power supply can provide between 12
and 28 VDC to the wireless device.
Signal Connector
The analog input may be either 4-20 mA, 0-10 V, 0-5 V, or 1-5
V. The appropriate input type must be programmed for each
unit.
Once the appropriate input type has been programmed, wire
the analog signal source to the device as shown in the dia-
gram at right.
The analog input will not interfere with any existing HART sig-
nal on a 4-20 mA current loop. However, this signal
will not
be
transmitted wirelessly.
4-20 mA Output Connector
The 4-20 mA output corresponds with the analog input signal
on the paired wireless device. The analog output signal is al-
ways 4-20 mA, regardless of the input type on the other wire-
less module.
For instance, if the analog input type on the first device was 0-
10 V and the input value was 5 V, the second device would out-
put 12 mA.
Connect the
mA OUT
terminals to a device scaled to read a 4-
20 mA signal.
Figure 2. Power Connections
Figure 3. Analog Input Connec-
tions
Figure 4. 4-20 mA Output Con-
nections
Voltage or
Current Signal
Source
4-20 mA Input
Display, Chart
Recorder, Etc.
