User's Manual

The DIOS PIU and Piccolo-XR Units
33
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.
PIU Toolkit P
C
RS232
RS232
To PC
Adapter
GND
RS485
Connectors
+
-
Figure 22
PIU Adapter – PC Communication 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.)