Motorola Piccolo-XR Owner's Manual page 39

Communicating with a PIU unit
1. Connect the PIU unit RS232 port to the computer with
the FTN6597B cable (see Figure 22).
2. Connect the PIU unit to an external 12VDC battery or
to an internal 9V battery. (See page 12 for power
options.)
3. Use the Distributed I/O Service Toolkit for
configuration, monitoring or hardware test.
For additional information, please refer to the online help of the
DIOS Service Toolkit.
Figure 22
PIU Adapter – PC Communication Connections
The grounding connector is also used as an ON/OFF
NOTE!
switch, and the unit cannot be powered on without
connecting it. (See Figure 9.)
The DIOS PIU and Piccolo-XR Units
PIU
RS232
+ -
Connectors
Toolkit PC
GND RS485
RS232
To PC
Adapter
33