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| STANDARDS
/ NETWORK STANDARDS:: |
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INTERCONNECT (OSI) 7 LAYER MODEL |
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FOUNDATION™ Fieldbus ::
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H1 |
H2
|
H2
bus powered |
| Typical
Applications |
Process,
Smart, Factory |
Process,
Factory |
Process
|
| Data
Rate bits/s |
31.25k
|
1.0M
|
1.0M
|
| Communication
Technique |
Single/Multi-Master
|
Single/Multi-Master
|
Single/Multi-Master
|
| Media
Access Method |
Token
Passing |
Token
Passing |
Token
Passing |
| Media
Supported |
Twisted
Pair, Fibre-Optic |
Twisted
Pair, Fibre-Optic |
Twisted
Pair |
| Max.
No. of Addressable Nodes
|
240 per
segment or 2^16 per system
|
240 per
segment or 2^16 per system
|
240 per
segment or 2^16 per system
|
| Deterministic
*1 |
Yes |
Yes |
Yes |
|
Intrinsically Safe |
Yes |
No |
Yes |
|
Bus Powered? |
Yes |
No |
Yes |
|
ASICs *2 Available |
Planned |
Planned |
Planned
|
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Physical Layer Standard
|
IEC 1158 |
IEC 1158 |
IEC 1158
|
|
Applicable Standards
|
IEC 1158, ISA 550 |
IEC 1158, ISA 550 |
IEC 1158,
ISA 550 |
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PROFIBUS :: |
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DP |
FMS |
PA |
| Typical
Applications |
Process,
Factory |
Process, Factory |
Process,
Smart |
| Data
Rate bits/s |
To 1.5M
and 12M |
500K |
31.25K
|
| Communication
Technique |
Master/Slave,
Peer to Peer |
Master/Slave, Peer to
Peer |
Master/Slave,
Peer to Peer |
| Media
Access Method |
Token
Passing |
Token Passing |
Token
Passing |
| Media
Supported |
Twisted
Pair |
Twisted Pair |
Twisted
Pair |
| Max.
No. of Addressable Nodes
|
127 per
network |
127 per network |
127 per
network |
| Deterministic
*1 |
No
|
No
|
No
|
| Intrinsically
Safe |
No
|
No
|
Yes |
| Bus Powered?
|
No
|
No
|
Yes |
| ASICs
*2 Available |
Yes |
Yes |
Yes |
|
Physical Layer Standard
|
RS485 |
RS485 |
IEC/ISA/FF
IEC 1158-2 |
|
Applicable Standards
|
EN 50170(Part 2) DIN
19245 EN 50 254 |
EN 50170(Part 2) DIN
19245 |
DIN 19245
|
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ControlNET |
Modbus
® |
Interbus |
| Typical Applications
|
Process,
Factory |
Process,
Factory Building Automation
|
Process,
Factory |
| Data Rate
bits/s |
5M |
Typ1.2K -
115.2K |
500K |
| Communication
Technique |
Producer/Consumer
|
Master/Slave
|
Master/Slave
|
| Media Access
Method |
CTDMA *3
|
Token Passing
|
None |
|
Media Supported |
Co-ax, Fibre-Optic
|
Twisted Pair
|
Co-ax, Fibre-Optic
|
|
Max. No. of Addressable
Nodes |
99 per link |
247 per network
|
256 Stations
|
| Deterministic
*1 |
Yes
|
No
|
Yes |
| Intrinsically
Safe |
No
|
No
|
No |
| Bus Powered?
|
No
|
No
|
No |
| ASICs *2
Available |
Yes
|
No
|
Yes |
| Physical
Layer Standard |
Generally
based on differential Manchester
encoding |
Not Specified
|
RS485
|
| Applicable
Standards |
BSI draft
standard prov EN 50254
|
Modicon Protocol
PI-MBUS-300 Rev.E
|
DIN E 19258
prov EN 50254 |
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Ethernet ® |
WorldFIP |
LONWORKS ® |
| Typical Applications
|
Process,
Data |
Process,
Smart, Building, Factory
Automation |
Process,
Building, Factory Automation
|
| Data Rate
bits/s |
10M |
31.5K, 1M
and 2.5M |
300 to 1.25M
|
| Communication
Technique |
Master/Slave,
Peer to Peer |
Producer/Consumer
|
Master/Slave,
Peer to Peer |
| Media Access
Method |
CSMA/CD
|
Bus Arbiter
Access |
Predictive
Media |
| Media Supported
|
Co-ax
|
Twisted Pair,
Radio, Fibre-Optic
|
Co-ax, Twisted
Pair, Radio, Fibre-Optic
|
| Max. No.
of Addressable Nodes |
400 per segment
|
256 per network
|
32,768 per
domain |
| Deterministic
*1 |
No
|
Yes
|
No
|
| Intrinsically
Safe |
No
|
Yes
|
Yes
|
| Bus Powered?
|
No
|
Yes
|
Yes
|
| ASICs *2
Available |
Yes
|
Yes
|
Yes
|
| Physical
Layer Standard |
Unbalanced
Voltage |
IEC/ISA/FF
IEC 1158-2 |
Numerous
|
| Applicable
Standards |
IEE802.3,
ISO8802.3(10Base-5)
|
EN 50170(Part
3) |
LonMark Interoperability
Association Guidelines
|
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CAN |
HART ® |
AS-Interface |
Typical
Applications |
Process,
Building, Factory, Vehicle
Automation |
Smart Instrumentation
|
Process,
Building, Factory Automation
|
| Data Rate
bits/s |
To 1M
|
1200
|
167K
|
| Communication
Technique |
Producer/Consumer,
Peer to Peer |
Master/Slave
|
Master/Slave
|
| Media Access
Method |
CSMA/CD/NDA
|
None
|
Cyclic polling
|
| Media Supported
|
Twisted Pair,
Fibre-Optic |
Twisted Pair
|
Twisted Pair
|
| Max. No.
of Addressable Nodes |
2^11, or
2^29 in extended address
mode |
15 per loop
|
31 per network
|
| Deterministic
*1 |
No
|
No
|
Yes
|
| Intrinsically
Safe |
No
|
Yes
|
No
|
| Bus Powered?
|
No
|
Yes
|
Yes
|
| ASICs *2
Available |
Yes
|
Yes, partial
|
Yes
|
| Physical
Layer Standard |
Balanced
Differential Voltage
|
4-20mA pair
(f.s.k current modulation)
|
Balanced
Differential Voltage
|
| Applicable
Standards |
ISO 11898
|
HART Protocol
Specification Rev 5.1 Physical
Layer Rev 8.0 |
IEC947-5-2/D
EN60947 DIN VDE 0660/208
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NOTES :: |
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| 1 |
Deterministic
:
The
ability to perform predefined
tasks at precise times.
|
| 2 |
ASIC
:
Application Specific Integrated
Circuit. |
| 3 |
CTDMA
:
Concurrent
Time Domain, Multiple Access.
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| Also
see our Network
Glossary |
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USER GROUPS :: |
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