Allen-Bradley 857-VPA3CG, Руководство пользователя, Страница: 6 / 14

6 Rockwell Automation Publication 857-UM003B-EN-P - December 2017
857-VPA3CG Profibus DP Option Module
Installation and
Commissioning External Adapter
The external adapter is connected to the 'REMOTE'-port (connector X5) on the
relay back panel with 857-VX007-F3 cable.
Figure 1 - Connecting External Adapter
Setting the PROFIBUS Address and Other Parameters
The PROFIBUS parameters can be changed from the relay front panel or by
SetPointPS program .
VX 007 Cable
X5
Relay back panel
“Remote” port
VPA 3 CG (Attached
to 35 mm DIN RAIL)
PROFIBUS
Table 1 - PROFIBUS Parameters
Mode PROFIBUS mode: Continuous / Request
bit/s Speed between the relay and adapter
InBul
(1)
(1) Parameters are read only.
Input
(2)
buffer length
(2) Input: Relay -> PROFIBUS master.
Output: PROFIBUS master -> Relay.
OutBul
(1)
Output
(2)
buffer length
Addr PROFIBUS address (range 1...126)
Conv
(1)
Type of PROFIBUS adapter (VE, HMS, -)