وصف

Yokogawa ANT502-5E Optical ESB Bus Repeater Slave Module

The Yokogawa ANT502-5E, also cataloged as the ANT502 Optical ESB Bus Repeater Slave Module, operates as a dedicated hardware component for optical ESB signal conversion and long-distance transmission within the CENTUM VP DCS network.

Suffix Break down & Model Matrix

Suffix	Description
-5	Standard type without explosion protection
E	Indicates specific bus connector or interface options for integration with FCU and N-IO/FIO environmental compliance

Hardware Specifications

Parameter	Specification
ModelBrand	Yokogawa ANT502-5E
Origin	Japan
Module Type	Optical ESB Bus Repeater Slave Module
Function	Converts electrical ESB signals to optical signals for long-distance transmission
Maximum Transmission Distance	5 km (single hop)
Supported Topologies	Chain, Star
Maximum Hops per FCU	AFV30□ / AFV40□ / A2FV70□: 8 hopsA2FV50□ (N-IO): 16 hops
Connector Type	LC type (IEC61754-20)
Fiber Type	Single-mode quartz optical fiber (JIS C 6835 SSMA -9.3/125)
Permissible Optical Loss	0 to 10 dB @ 1.3 μm
Required Fiber Cores	2 (1 Tx, 1 Rx)
Current Consumption	0.5 A @ 24 VDC
Power Consumption	< 5 W
Weight	0.25 kg (main body)
Operating Temp	-20 degC to +60 degC (standard)
Installation Positions	ANB11□, ANT10U

DCS Connectivity Features

The ANT502-5E supports channel-to-channel isolation across optical links to prevent crosstalk between ESB bus channels. It integrates seamlessly with CENTUM VP bus protocols and supports optional housekeeping telemetry to report environmental parameters such as cabinet temperature and fan status to the FCU. Fiber optic conversion ensures immunity from electromagnetic interference, maintaining deterministic signal propagation over extended distances.

Frequently Asked Questions

Q: Can the ANT502-5E be hot-swapped on the optical ESB bus?
A: No, the module requires power-down of the associated node to prevent transient faults on the ESB bus.

Q: What is the maximum optical link loss supported?
A: The module accepts a maximum permissible loss of 10 dB at 1.3 μm wavelength.

Q: Does the ANT502-5E support redundant configurations?
A: Yes, dual-redundant optical paths are supported when paired with ANT401 master modules.

Field Installation Guidelines

• Mount modules on designated Optical ESB Bus Node Units (ANB11□) or Repeater Units (ANT10U) according to rack alignment.
• Ensure fiber patch cables are terminated with LC connectors and maintain bend radius ≥ 30 mm.
• Route fibers separately from high-voltage or EMI-generating cables.
• Verify grounding continuity for the optical repeater chassis.
• Confirm optical link integrity with a power meter before system commissioning.

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