RS-422/485 Serial Adapter, Includes PDA7420
The PDA7422 is an RS-422/485 Adapter that provides a method to connect a
PD765 series meter to your computer. (Using RS-422 or RS-485 serial networks allows more than one meter to be connected at one time. The
RS-422/485 Bus connects using the removable screw terminal.
The PDA7422 includes a PDA7420 2.1m [7'] Cable .
The PD7422 has a removable screw terminal connector for the RS-422/485 terminals.
- Transmit Data (DO) and (/DO)
- Receive Data (DI) and (/DI)
- Signal Ground
Baud rates are adjustable by programming the PD765
(the Instruction Manual has more details).
ThePDA7422 has three diagnostic LEDs:
- Power (P) LED to shows adapter is powered properly
- Transmit Data (TX) LED shows the adapter is sending data out
- Receive Data (RX) LED shows adapter is receiving data from the PD765 meter.
COMPATIBILITY EIA-422 and EIA-485
CONNECTORS Removable screw terminal connector and RJ11 (adapter to meter)
CABLE 2.1m [7'] standard modular cable provided with adapter
DISTANCE Adapter to PD765 meter: 7' (2.1 m) max; Adapter to computer: 3,937' (1,200 m) max
POWER Powered by Trident PD765 RJ11 connection
STATUS INDICIATION Separate LEDs for Power (P), Transmit (TX), and Receive (RX)
Index 32992 1.000