SATEC AX-8 - Manual (Page 11)

8
Figure 3-4 AX-8 Connections in RS-485 Network
)
Be sure that all incoming AC power and other power
sources are turned OFF before performing any connections.
*as per customer order
00-03021
+Rx
-Rx
+Tx
-Tx
COMMUN.
PORT
AX-8
#2
POWERMETER
RS-422/485
(IBM PC OR PLC)
MASTER
RS-422
COMMUN.
PORT
#2
TERMINAL
POWERMETER
TERMINAL
#31
POWERMETER
NE
T
W
O
R
K
PO
W
E
R
M
E
T
ER
ANALOG EXPANDER AX-8
ANALOG OUTP UTS
ON
PO WE R S UPP LY
DC
AC
+
L N _
NETW ORK
RS- 422/RS-485
RX
RS- 422
PO WE R MET ER
TX
TX RX
+ + _ _
RX
+ _
1 2
RX TX RX TX RX TX
_ _ + + + _ + _ + _ + _ + _ + _ + _
OR 48V DC
OR 24V DC
OR 12V DC
POWER SUPPLY
110-230V AC/DC
*
7 6 5 3 4 2 1
*
*
3 4 5 6 7 8
8
LOADS
R 1
#1 -Rx
-Tx
+Rx
+Tx
+Tx
+Rx
-Tx
-Rx
UP TO
2 R
+Tx
+Rx
-Tx
-Rx
-Rx
-Tx
+Rx
+Tx
-Rx
-Tx
+Rx
+Tx
TERMINATION RESISTORS
R 2 R 1 = =200-500 OHM
0.5W
RS-422/485
RS-422/485
5A