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4
Installation and Connections
Connection Example 1 Wireless Connection (2.4 GHz Band Wireless Communication)
0V
EPU-220-A
EPU-220-A
EPU-220-A
Terminal
block
0V
0V
+24V
+24V
DA
DB
DG
SLD
FG
EPC-200-CC
USB cable
Shield
CA
CB
CS
SL
CA
CB
CS
CA
CB
CS
CA
CB
CS
24V
0V
24V
0V
24V
0V
24
0
If connecting an EPC-200-CC
* Used for initial settings
and controlling the
product from a PC.
Connection Example 2 Wired Connection (RS-485 Loose Wires Specifications)
0V
EPU-220-A
EPU-220-A
EPU-220-A
USB cable
Terminating
resistor ON
*1
Terminating resistor OFF
Terminating resistor OFF
0V
0V
+24V
+24V
Terminal
block
Terminal
block
Terminal
block
DA
DB
DG
SLD
FG
CA
CB
CS
CA
CB
CS
CA
CB
CS
EPC-200-CC
Shield
Terminating resistor
(120 Ω)
* Used for initial settings and
controlling the product from a PC.
CA
CB
CS
SL
24V
0V
24V
0V
24V
0V
24
0
If connecting an EPC-200-CC
*1 Set the terminating resistor setting of the last unit to be connected to “ON”.
Install the terminating resistor (120 Ω) included with the transceiver to both communication
line terminals "CA" and "CB" on the transceiver side.