2-3.Applicable Solenoid Valve Series; Wiring And Setting; 3-1.Connection Type - SMC Networks EX120-SDN1 Operation Manual

SI unit I/O data (Receiving and sending data of polled command)
Item
Occupied byte
Sending/
receiving data
Address +1
*) Mapping method of sending / receiving data is different by PLC.
For further information, refer to the manual for PLC master (scanner)
Bit of each output data and corresponding solenoid valve no.
Offset MSB
0 No.7
1 No.15
2-3. Applicable solenoid valve series
SI unit Valve series
EX120 VQ1000, VQ2000
EX121 VQ1000, VQ2000, SX3000, SX5000
EX122 SY3000, SY5000
EX124U/D VQ2000, VQ4000, VQ5000

3. Wiring and Setting

3-1.Connection type

DeviceNet can be connected by T branch, Multi branch, Branch line branch and Multi drop. Total
extension length of trunk and Branch line is different for different Baud rate and thickness of
communication cable.
Terminal resistance
Multi branch
Branch
line
Node
Node
Length of cable
Communication
distance
Thick cable
Thin cable
Terminal resistance
Output(Poll request)
(Solenoid valve output)
Address +0 Output No. 0 to 7
Output No. 8 to 15
No.6 No.5 No.4
No.14 No.13 No.12
Node
Node
Baud rate
500 kbps
250 kbps
125 kbps
Common
Input(Poll response)
2 byte
No.3 No.2 No.1
No.11 No.10 No.9
Node
T branch
Branch
line
Node
Branch
Total length of Length of
trunk branch line
100m or less
6m or less
250m or less
500m or less
100m or less
121 ohm (1/2W)
- 5 -
SMC CORPORATION
Doc.No.EX
2 byte
LSB
No.0
No.8
Main line
Terminal resistance
Branch line
branch
Node
Node
Node
line
Total length of
branch line
39m or less
78m or less
156m or less
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-OME0015
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