85
Web Controller Series
Section 9-3
9-3-3
RS-485 Connections
Connecting Using an RJ45
Connector and User-made
Cable
■
Connection Diagram
Refer to the previous RJ45 Modular Port diagram for the pin numbers for the
RJ45 Connector.
PT
Hitachi PLC
User-made cable
PLC type
Link interface
Connection diagram
PT
23 points
(EH-WD23DR)
CPU Unit serial
port
NV3W,
NV4W, or
NV3Q for RS-
485
Pin No.
Signal
1
SG
-
SD+
SD
−
-
2
3
4
5
6
RD
−
7
8
To power
supply
RD+
-
Pin No.
Signal
1
+
-
+SD
−
SD
FG
2
3
4
5
6
+RD
−
RD
7
8
RJ45 Connector on CPU
Module Port (RS-485) on
Hitachi PLC
PT
Terminator setting (built-
in 120
Ω
resistance)
Summary of Contents for NV3Q Series
Page 1: ...Cat No V105 E1 02 Programmable Terminals NV Series NV3W NV4W NV3Q HOST CONNECTION MANUAL ...
Page 2: ......
Page 3: ...NV Series NV3W NV4W NV3Q Programmable Terminals Produced December 2009 ...
Page 4: ...iv ...
Page 6: ...vi ...
Page 16: ...xvi ...
Page 20: ...xx ...
Page 68: ...44 S7 200 Series Section 5 1 ...
Page 69: ...45 SECTION 6 Connecting to LG PLCs 6 1 MASKER K Cnet Series 46 6 1 1 Connection Method 46 ...
Page 72: ...48 MASKER K Cnet Series Section 6 1 ...
Page 76: ...52 FA M3 Series Section 7 1 ...
Page 110: ...86 Web Controller Series Section 9 3 ...
Page 120: ...96 Modbus RTU Mode Temperature Controller Section 10 3 ...
Page 142: ...118 Modbus Connections Section 12 5 ...
Page 144: ...120 Revision History ...