Rockwell Automation 1734-APB Point I/O Profibus Adapter Module - Manual (Page 20)

Publication 1734-UM005B-EN-P - June 2001
2-6 Installing the PROFIBUS Adapter
5. Press firmly to seat the adapter (1) on the DIN rail. The adapter
locking mechanism will snap into place.
6. Insert the PROFIBUS network plug and tighten the holding
screws.
7. Insert the end opposite the handle into the base unit. This end
has a curved section that engages with the wiring base.
8. Rotate the terminal block into the wiring base until it locks itself
in place.
9. Replace the adjacent module in its base.
Wiring the PROFIBUS
Adapter Refer to the figure below when wiring the PROFIBUS adapter.
Module Power
The adapter supplies 5V logic power to POINT I/O modules by
converting the applied 12/24V dc field power to PointBus 5V power.
You can connect up to 63 I/O modules to each adapter, and you can
power up to 14 I/O modules from the adapter (with a maximum of
10A of field power). Add up the current requirements of the modules
you want to use, and determine that they do not exceed the amperage
limit of the 1734-APB. (Note: Total expansion up to 63 modules - 14
modules (with 75mA current draw) maximum with 1734-APB - add
1734-EP24DC modules for additional 14 modules (or less based on
current requirements), up to 63 module maximum)
Adapter
Status
PROFIBUS
Status
PointBus
Status
1734-APB
Field
Power
System
Power
CHAS GND
NC
Node Address
Thumbweel
NC = No Connection
CHAS GND = Chassis Ground
C = Common
V = Supply
Profibus
Connector
NC
C C
V V
CHAS GND
System Power
Field Power
Adapter Status
PROFIBUS Status
PointBus Status
0 1