Serial Communication Converters & Adapters Instruction Manual
34
Installation
Figure 19 shows the connection of a Trident meter to a PC using the
PDA7488 multi-input adapter board and a PDA7485 RS-232 to
RS-422/485 converter in an RS-485 network.
Mounting
The PDA7488 is installed using the four adhesive-backed mounting feet
included. Install the mounting feet into the holes on the corner of the
board such that the flat adhesive backed side is on the opposite side of
the connectors as shown in Figure 18. Clean the mounting surface prior
to installation. Remove the adhesive backing liner and press the corners
firmly when positioned for final installation (making sure to allow for
adequate room for all connections and/or wiring).
PDA7488
Mounting
Feet
Figure 18. PDA7488 Mounting
PD765 Serial Communication Address (
serl
)
When using more than one meter in a multi-drop or multi-point mode,
each meter must be provided with its own unique address. For the
PD765 Trident meter the address may be programmed from 00 to 99 for
PDC Protocol and from 1 to 247 for Modbus RTU. The PD765 Trident
meter is factory set to PDC Protocol at address 00.
To change the PD765 Trident meter address:
1. Press and hold
Right
arrow and
Menu
buttons for three seconds to
access Advanced Features menu of the meter.
2. Press
Up
arrow until Serial (
SErL
) menu is displayed and press
Enter/Ack
,
Addr
is displayed.
3. Press
Enter/Ack
to change meter address using
Right
and
Up
arrow buttons. Press
Enter/Ack
to accept.
4. Press
Menu
button to exit and return to Run Mode.
