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 extending serial ESB bus signal transmissions across optical fiber cabling within CENTUM VP control systems.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | ANT502-5E |
| Brand | Yokogawa |
| Origin | Japan |
| Weight | 0.25 kg (main body only) |
| Dimensions | Standard Yokogawa I/O module width |
| Operating Temp | 0 to 50 deg C (standard industrial rating) |
| Power Consumption | 0.5 A (current consumption) |
| Max Transmission Distance | 5 km via optical fiber |
| Network Topologies | Chain connection, Star connection |
| Maximum Connectable Stages | 2 stages (Chain configuration) |
| Maximum Connections | 8 (Chain or Star configuration) |
| Compatible Host Units | Optical ESB Bus Node Units (ANB11_), Optical ESB Bus Repeater Modules (ANT10U) |
| Optional Interfaces | HKU interface for cabinet environmental monitoring |
Channel-to-Channel Isolation and Optical Fieldbus Signal Stability
The ANT502-5E converts electrical copper ESB bus differential signals into optical pulses to prevent ground loop currents, common-mode noise, and electromagnetic interference across long transmission distances. The optical link delivers physical channel-to-channel isolation between distributed node units and control stations. Signal integrity is maintained up to 5 km while supporting deterministic real-time update cycles required for process control loops and distributed I/O nodes.
Frequently Asked Questions
Q: Can the ANT502-5E be installed in any slot within an ANB11_ Optical ESB Bus Node Unit?
A: No. The ANT502-5E has dedicated slot requirements specified by the backplane layout of the host unit (ANB11_ or ANT10U). It must be mounted into designated repeater slots to properly connect to the internal power rail and ESB communication lines.
Q: What is the maximum cascading limit when using chain connections with the ANT502-5E?
A: The hardware architecture limits chain topology connections to a maximum of 2 stages, with a total connection count capped at 8 nodes across the chain/star network segment.
Field Installation Guidelines
- Verify that power to the target rack or node unit is switched off prior to inserting or removing the ANT502-5E module to prevent backplane edge-connector damage.
- Observe static electricity precautions by wearing a grounded wrist strap attached to the cabinet ground point during handling.
- Clean all optical fiber connectors and dust caps with lint-free optical wipes before mating to prevent signal attenuation caused by surface contaminants.
- Maintain the minimum specified bend radius for the fiber optic cables inside the enclosure to avoid micro-bending loss or physical breakage.
- Ensure proper shield grounding practices at the cabinet entry point for all copper cables connected to optional HKU environmental monitoring interfaces.
Yokogawa ANT502-5E Optical ESB Bus Repeater Slave Module
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 extending serial ESB bus signal transmissions across optical fiber cabling within CENTUM VP control systems.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | ANT502-5E |
| Brand | Yokogawa |
| Origin | Japan |
| Weight | 0.25 kg (main body only) |
| Dimensions | Standard Yokogawa I/O module width |
| Operating Temp | 0 to 50 deg C (standard industrial rating) |
| Power Consumption | 0.5 A (current consumption) |
| Max Transmission Distance | 5 km via optical fiber |
| Network Topologies | Chain connection, Star connection |
| Maximum Connectable Stages | 2 stages (Chain configuration) |
| Maximum Connections | 8 (Chain or Star configuration) |
| Compatible Host Units | Optical ESB Bus Node Units (ANB11_), Optical ESB Bus Repeater Modules (ANT10U) |
| Optional Interfaces | HKU interface for cabinet environmental monitoring |
Channel-to-Channel Isolation and Optical Fieldbus Signal Stability
The ANT502-5E converts electrical copper ESB bus differential signals into optical pulses to prevent ground loop currents, common-mode noise, and electromagnetic interference across long transmission distances. The optical link delivers physical channel-to-channel isolation between distributed node units and control stations. Signal integrity is maintained up to 5 km while supporting deterministic real-time update cycles required for process control loops and distributed I/O nodes.
Frequently Asked Questions
Q: Can the ANT502-5E be installed in any slot within an ANB11_ Optical ESB Bus Node Unit?
A: No. The ANT502-5E has dedicated slot requirements specified by the backplane layout of the host unit (ANB11_ or ANT10U). It must be mounted into designated repeater slots to properly connect to the internal power rail and ESB communication lines.
Q: What is the maximum cascading limit when using chain connections with the ANT502-5E?
A: The hardware architecture limits chain topology connections to a maximum of 2 stages, with a total connection count capped at 8 nodes across the chain/star network segment.
Field Installation Guidelines
- Verify that power to the target rack or node unit is switched off prior to inserting or removing the ANT502-5E module to prevent backplane edge-connector damage.
- Observe static electricity precautions by wearing a grounded wrist strap attached to the cabinet ground point during handling.
- Clean all optical fiber connectors and dust caps with lint-free optical wipes before mating to prevent signal attenuation caused by surface contaminants.
- Maintain the minimum specified bend radius for the fiber optic cables inside the enclosure to avoid micro-bending loss or physical breakage.
- Ensure proper shield grounding practices at the cabinet entry point for all copper cables connected to optional HKU environmental monitoring interfaces.
