18
4
Installation and Connections
4.3 Connections
4.3.1 Connection Example
Connection Example 1 Wired Connection (RS-485)
Install the terminating resistor (120 Ω) included to both communication line terminals "CA"
and "CB" on the transceiver side.
Connection Example 2 Wireless Connection (2.4 GHz Band Wireless Communication)
0V
EPU-220
EPU-220
EPU-220
Terminating
resistor ON
Terminating resistor OFF
Terminating resistor OFF
USB cable
Shield
Terminal
block
Terminal
block
Terminal
block
0V
0V
+24V
+24V
DA
DB
DG
SLD
FG
CA
CB
CS
SL
EPC-200-CC
Terminating resistor
(120 Ω)
* Used for initial settings and
controlling the product from a PC.
CA
CB
CS
CA
CB
CS
CA
CB
CS
24V
0V
24V
0V
24V
0V
24
0
0V
EPU-220
EPU-220
EPU-220
EPU-100
EPU-100
EPU-100
Terminal
block
Shield
0V
0V
+24V
+24V
DA
DB
DG
SLD
FG
EPC-200-CC
* Used for initial settings and
controlling the product from a PC.
USB cable
CA
CB
CS
CA
CB
CS
SL
CA
CB
CS
24V
0V
24V
0V
CA
CB
CS
24V
0V
24
0