Modbus – IAI America ROBO Cylinder Series User Manual
Page 30
3. Specifications
22
Modbus
(2) Wiring
Fig. 3.5
Nth slave
(N = maximum 16 slaves)
SA
SGA
SGB
GND
SGA
SGB
GND
SGA
SDA
SDB
PDA
PDB
SGB
GND
B5
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
1
2
7
1
2
7
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
1
2
3
7
4
SB B6
RS485 connectors
Transmission data+
Transmission data-
Reception data+
Reception data-
2-pair shielded cables
Recommended cables:
Taiyo Cabletech HK-
SB/20276xL 2P x AWG22
4-directional junction (5-1473574-4 made by AMP)
Please note that some PLCs
are configured such that SDA
is the negative terminal of the
transmission data and SDB is
the positive terminal (in this
case, RDA is the negative
terminal of the reception data
and RDB is the positive
terminal).
Please refer to “3.3
Communication Connector Pin
Assignment of PLC and PC”
for pin assignment on the PLC
side.
To (2)
e-CON connector (3-1473562-4 made by AMP)
Housing color: Green
Controller link cable
CB-RCB-CTL002
Yellow
Orange
Blue
Yellow
Orange
Blue
e-CON connector (3-1473562-4 made by AMP)
Housing color: Orange
4-directional junction
(5-1473574-4 made by AMP)
2-pair shielded cables
Recommended cables:
Taiyo Cabletech
HK-SB/20276xL
2P x AWG22
From (2)
Determine the terminating
resistance value according
to the specification on the
master (host) side
(PLC, RS232C RS485
converter in case of PC).
ERC3 power supply I/O cable
CB-ERC3P-PWBIO**
*
e-CON connector (3-1473562-4 made by AMP)
Housing color: Green
Controller link cable
CB-RCB-CTL002
Yellow
Orange
Blue
Nth slave (N = maximum 16 slaves)
Green
Brown 1
e-CON connector (3-1473562-4 made by AMP)
Housing color: Orange
Note Connection of ERC3-SE
1) A cable (CB-ERC3-PMB10) is required
separately.
2) MEC Mode Type cannot be connected.
3) Connection cannot be established via PIO
Converter.
Nth slave
(N = maximum 16 slaves)
Caution Make sure to use the common 0 V line of
the 24 V power supply for each controller
(other than SCON).
For ROBONET connection, refer to the
separate ROBONET Operation Manual.
PLC
PCON/ACON/SCON
Nth slave (N = maximum 16 slaves)