Rs-232 modbus port – Powerware FCC 15 User Manual
Page 16
WIRING THE MODBUS CARD
EATON Powerware
®
Modbus
®
Card User’s Guide
S 164201376 Rev C www.powerware.com
12
RS-232 Modbus Port
It is also possible to use the RS-232 Modbus port for connecting to your
network.
3
8
7
9
1
6
2
4
5
Figure 11. RS-232 DB-9 Pin Numbers
Table 3. RS-232 DB-9 Pin Assignments
Pin Number
Function
Direction from the Modbus Card
1
No connection
—
2
RS-232 transmit data
Out
3
RS-232 receive data
In
4
No connection
—
5
Signal common
—
6
No connection
—
7
No connection
—
8
No connection
—
9
No connection
—