
The DIOS PIU and Piccolo-XR Units
32
Downloading new software to a Piccolo–XR unit
1.
Connect the PIU adapter RS232 port to the computer
using the FTN6597B cable (see Figure 21).
2.
Connect the PIU adapter unit to an external 12VDC
battery or to an internal 9V battery. (See page 12 for
power options).
3.
Connect the Piccolo–XR unit to an external 6 V DC
power source. (See Power Connections on page 23.)
4.
Use the P4 connector (programming) of the
FKN8171B cable to connect the Piccolo–XR unit to
the Adapter port of the PIU unit.
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
Piccolo XR
GND RS485
Connectors
+ -
+ -
P5
P4
Piccolo-XR PIU Adapter Toolkit PC
Figure 21
PIU Adapter – Piccolo–XR Downloading 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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