62 •
Fieldbus coupler/controller
Review
L
ON
W
ORKS
®
3.2.3 Hardware
3.2.3.1 View
24V 0V
+ +
- -
01 02
7
50-819
SERVICE
STATUS
I/O
USR
LonWorks
C
D
B
A
ICOM
0
1
2
3
4
5
6
7
8
9
0
1
2
3
4
5
6
7
8
9
Supply
24V
0V
0V
Power jumper
contacts
Status
voltage supply
-P
-System
ower jumper contacts
Supply via
power jumper
contacts
24V
Data contacts
Configuration
and programming
interface
Address
Address
Fieldbus
connection
Series 231
(MCS)
Fig. 3-8: Fieldbus controller 750-819 LON
g081900e
The fieldbus coupler comprises of:
•
Supply module with Internal system supply module for the system supply
as well as power jumper contacts for the field supply via I/O module as-
semblies.
•
Fieldbus interface with the bus connection
•
Display elements (LED's) for status display of the operation, the bus com-
munication, the operating voltages as well as for fault messages and diag-
nosis
•
Encoder switch for logical node address
•
Service-Pin
•
Configuration and programming interface and operating mode switch
•
Electronics for communication with the I/O modules (internal bus) and the
fieldbus interface