User's Manual

The DIOS PIU and Piccolo-XR Units
Piccolo-X
R
PIU Adapter Toolkit P
C
RS232
Programming
Cable
RS232
To PC
Adapter To
Pi
cco
l
o
XR
GND
RS485
Connectors
+
-
+
-
P4
P5
Figure 22
PIU Adapter – Piccolo–XR Communication 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.)
32