Understand The Devicenet Network And Subnet; Devicenet Network; Backplane/Subnet Network - Parker H Series Installation & Service Instructions Manual
Fieldbus system
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- Installation & service instructions manual (9 pages) ,
- Installation and operation manual (8 pages)
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Understand the DeviceNet
Network and Subnet
DeviceNet Network
Your adapter serves as a slave to DeviceNet masters. The adapter
receives data from, and returns data to, the master through the
following I/O connections:
• Change of State (COS)
• Cyclic
• Polled
• Strobe
PSSCDM12A
H Series Fieldbus
Adapter
I/O Modules
PSSN8M12A
PSST8M12A
PSSN8M12A
PSSCDM12A
24V dc In
24V dc Out
24V dc In
0
2
0
2
0
2
0
DeviceNet Out
Adapter
1
3
MOD
1
3
MOD
1
3
MOD
1
Status
DeviceNet In
DeviceNet
NET
NET
NET
Status
PointBus
0
0
0
Status
1
1
1
System
0
0
2
2
2
Power
8
2
8
2
Adapter
4
6
3
4
6
3
4
6
3
Power
6
4
6
4
x10
x1
4
4
4
5
5
5
5
7
5
7
5
7
6
6
6
7
7
7
PWR
What is the H Series Fieldbus DeviceNet Adapter?
Backplane/Subnet Network
On the Backplane/Subnet, your adapter acts as a scanner and is the
master of the Subnet modules. The adapter performs the following
functions:
• Exchanges I/O data with devices on the Backplane/Subnet
• Collects I/O data from the Backplane/Subnet and sends it to
devices on the DeviceNet network (e.g., scanners or controllers)
• Supplies power to the backplane I/O modules (See Appendix
A for power supply rules regarding I/O modules power
requirements.)
Data Collection
The adapter collects I/O data from up to 63 modules via the
Backplane/Subnet.
DeviceNet network as a single node, though, and require only one
DeviceNet node address.
IMPORTANT
If Automatic Device Replacement (ADR) is enabled on the
adapter, you can only connect up to 62 modules via the Subnet.
For more information on ADR, see page 2-6.
Module Power
The adapter supplies 5V logic power to H Series Fieldbus I/O
modules by converting 24VDC fi eld power to PointBus 5V power.
You can connect up to 63 I/O modules to each adapter and you can
power the backplane I/O modules from the adapter (with a maximum
of 10A of fi eld power). You may use the integrated, isolated 24VDC
expansion power unit (PSSSE24A) to power additional I/O modules,
as shown below.
PSSSE24A
Expansion
Power Unit
PSST8M12A
PSSN8M12A
PSSSE24A
PSST8M12A
PSSN8M12A
24V dc Out
24V dc In
24V dc Power Supply
24V dc Out
24V dc In
2
0
2
0
2
0
2
3
MOD
1
3
MOD
1
3
MOD
1
3
NET
NET
NET
0
0
0
1
1
1
SYSTEM
2
2
2
POWER
4
6
3
4
6
3
FIELD
4
6
3
4
POWER
4
4
4
P
5
5
A
O
5
5
7
5
7
5
7
5
U
W
X
E
6
6
6
R
7
7
7
For more information on the PSSSE24A expansion power unit,
see the H Series Fieldbus I/O 24VDC Expansion Power Supply
Installation Instructions, publication E105P.
Publication PSS-UM001A-EN-P – December 2016
The I/O modules appear on the primary
H Series Fieldbus
I/O Modules
PSST8M12A
PSSN8M12A
PSST8M12A
PSSN8M12A
24V dc Out
24V dc In
24V dc Out
24V dc In
0
2
0
2
0
2
0
2
MOD
1
3
MOD
1
3
MOD
1
3
MOD
1
3
MOD
NET
NET
NET
NET
NET
0
0
0
0
0
1
1
1
1
1
2
2
2
2
2
6
3
4
6
3
4
6
3
4
6
3
4
6
3
4
4
4
4
4
5
5
5
5
5
7
5
7
5
7
5
7
5
7
6
6
6
6
6
7
7
7
7
7
2-3
PSSV32A
32 Point
Valve Driver Valves
PSST8M12A
PSSV32A
24V dc Out
0
2
1
3
MOD
Mod
NET
Net
0
Fault
1
2
4
6
3
4
5
5
7
6
7
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