108
Modbus Slave (RTU Mode)
Section 11-1
11-1-3 Connection Method Examples
Connection Diagram
Connection diagram
PT
NV3W for RS-232C
NV4W or NV3Q for
RS-232C
SD
RD
SG
PLC
(Modbus-RTU Master)
PT (Modbus-RTU Slave)
1
2
3
4
5
6
7
8
Pin No.
+
SD
RD
NC (or FG)
NC
NC
SG
−
Signal
Signal
To power
supply
RS-232C Connections
SD
RD
SG
PLC
(Modbus-RTU Master)
PT (Modbus-RTU Slave)
1
2
3
4
5
6
7
8
Pin No.
+
SD
RD
NC (or FG)
RS
CS
SG
−
Signal
Signal
To power
supply
Connect.
Connect RS and CS at the PT.
RS-232C Connections without RS/CS Control
SD
RD
RS
CS
SG
PLC
(Modbus-RTU Master)
PT (Modbus-RTU Slave)
1
2
3
4
5
6
7
8
Pin No.
+
SD
RD
NC
RS
CS
SG
−
Signal
Signal
To power
supply
RS-232C Connections with RS/CS Control
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 ...