AIP171 is the controller unit used in Yokogawa's V net optical bus repeater architecture. It works as the control element within a repeater assembly that links V net segments through optical transmission equipment. In a dual-redundant ProSafe-RS configuration, corresponding repeater components are arranged for Bus 1 and Bus 2.
TYPE
Controller
NETWORK
V net
ROLE
Repeater Control
AMBIENT
0–50°C
CONTROL UNIT
AIP171
Transceiver control element for the Yokogawa V net repeater arrangement.
CORE ASSOCIATIONS
AIP578 / AIP591
Optical transceiver units
AIP571
Electrical transceiver unit
PW501 / PW502 / PW504
Power supply options
ENGINEERING PROFILE
A CONTROL LAYER INSIDE THE REPEATER
01 / CONTROL
AIP171
The AIP171 is the transceiver control unit in the V net repeater component arrangement. It is not the optical transceiver itself; its role is distinct from AIP578 and AIP591.
02 / OPTICAL PATH
AIP578 / AIP591
AIP578 is the optical transceiver used for repeater arrangements up to 4 km, while AIP591 is used for arrangements up to 15 km. The controller and optical transceiver therefore perform different functions within the same architecture.
03 / ELECTRICAL SIDE
AIP571
AIP571 is the electrical transceiver unit for the V net repeater. The AIP171 controller is therefore part of a multi-unit repeater arrangement rather than a standalone V net cable extender.
MODEL
AIP171
UNIT TYPE
Transceiver Control Unit
NETWORK
V net
TEMPERATURE
0–50°C
APPLICATION
V net Repeater
SYSTEM ROLE
Repeater Control
V NET REPEATER ARCHITECTURE
HOW AIP171 FITS THE SYSTEM
NETWORK SIDE
V net
Bus 1 / Bus 2
→
ELECTRICAL
AIP571
V net electrical transceiver
→
CONTROL
AIP171
Transceiver control unit
→
OPTICAL
AIP578
AIP591
YNT511D — up to 4 km
The YNT511D is the dual-redundant optical bus repeater arrangement intended for transmission distances up to 4 km. AIP578 is the corresponding optical transceiver for this range.
YNT522D — up to 15 km
The YNT522D is the dual-redundant optical bus repeater arrangement intended for transmission distances up to 15 km. AIP591 is the corresponding optical transceiver for this range.
Redundancy architecture
For ProSafe-RS optical bus repeater configurations, Bus 1 and Bus 2 use corresponding repeater components. The component arrangement therefore needs to be considered as a complete communication path when planning a replacement.
COMPONENT SELECTION LOGIC
AIP171 AND ITS NEIGHBORING UNITS
AIP171
CONTROL
Transceiver control unit for the V net repeater.
AIP571
ELECTRICAL TRANSCEIVER
Electrical transceiver unit for the V net repeater.
AIP578
OPTICAL / 4 KM
Optical transceiver for repeater arrangements up to 4 km.
AIP591
OPTICAL / 15 KM
Optical transceiver for repeater arrangements up to 15 km.
Replacement checkpoint for AIP171
Confirm that the existing assembly uses AIP171 as the transceiver control unit, then check the paired optical/electrical transceiver arrangement and the applicable repeater model. AIP171 should not be substituted solely because another controller has a similar enclosure or connector appearance.
AMIKON INDUSTRIAL AUTOMATION
Looking for AIP171 for an existing V net repeater?
Send the model, quantity, destination, required date and existing system arrangement. Our sales team can assist with the commercial order process and worldwide shipment.
Can AIP171 replace the optical transceiver AIP578 in a V net repeater?
No. AIP171 and AIP578 have different roles. AIP171 is the transceiver control unit, while AIP578 is the optical transceiver used for the YNT511D arrangement up to 4 km. They should therefore not be treated as interchangeable replacement parts.
Does AIP171 belong to the YNT511D and YNT522D repeater architecture?
Yes. Yokogawa's component arrangement names AIP171 as the controller unit for the optical bus repeater configuration. YNT511D is the up-to-4-km arrangement and YNT522D is the up-to-15-km arrangement; the optical transceiver changes between AIP578 and AIP591 accordingly.
What should be checked before purchasing an AIP171 replacement for a dual-redundant system?
Check whether the existing repeater uses the AIP171 controller, confirm the Bus 1 / Bus 2 arrangement, and verify the associated AIP571 electrical transceiver and AIP578 or AIP591 optical transceiver. The repeater model should also match the required transmission range.
Is AIP171 suitable for every V net repeater application?
AIP171 is specifically described as the transceiver control unit for the V net repeater architecture. Compatibility should therefore be established from the existing repeater configuration rather than assuming that every V net communication device uses the same controller.
What environmental condition should be considered when sourcing AIP171?
AIP171 is specified within the 0–50°C ambient temperature range in the Yokogawa repeater component compliance material. The installation environment and the complete repeater assembly should be checked against the applicable system requirements before replacement.
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