User's Manual

The DIOS PIU and Piccolo-XR Units

Communicating with a PIU unit

1. Connect the PIU unit RS232 port to the computer with the

FTN6597A cable (see Figure 24).

2. Connect the PIU unit to an external 12VDC battery or to an

internal 9V battery. (See page 13 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

RS232

To PC

Adapter

GND

RS485

Connectors

Figure 24

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.)