The DIOS PIU and Piccolo-XR Units
34
Downloading new software to a PIU
1.
Connect the PIU adapter RS232 port to the computer
with the FTN6597B cable (see Figure 23).
2.
Connect the PIU adapter to an external 12VDC battery
or to an internal 9V battery. (See page 12 for power
options).
3.
Connect the PIU unit to an external 12VDC battery or
to an internal 9V battery. (See page 12 for power
options.)
4.
Use the FKN8203B cable to connect the Adapter port
of the PIU adapter to the RS232 connector of the PIU
unit to be programmed.
5.
Use the Distributed I/O Service Toolkit Downloader.
For additional information, please refer to the online help of the
DIOS Service Toolkit.
RS232
Programming
Cable
RS232
To PC
Adapter -
To RS232 of
Programmed PIU
GND RS485
Connectors
+ -
+ -
Connectors
RS232 -
To Adapter of
Programming PIU
Adapter
GND
RS485
PIU unit
PIU Adapter Toolkit PC
Figure 23
PIU Adapter Programming Mode Connections
NOTE!
The grounding connector is also used as an ON/OFF
switch, and the unit cannot be powered on without
connecting it. (See Figure 9.)
Summary of Contents for Piccolo-XR
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