Yokogawa ANR10D-420 ESB Bus Node Unit
The Yokogawa ANR10D-420, also cataloged as the ANR10D ESB Bus Node Unit, operates as a dedicated hardware component for fieldbus signal interface expansion and dual-redundant power distribution within CENTUM VP control systems.
Suffix Breakdown & Model Matrix
- ANR10D: ESB Bus Node Unit (Base Model)
- -4: Dual-redundant power supply configuration
- 2: 220 to 240 VAC power supply voltage rating
- 0: Basic type with no explosion protection specification
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | ANR10D-420 |
| Brand | Yokogawa |
| Origin | Japan |
| Weight | 2.0 kg (shipping weight) |
| Dimensions | Standard Yokogawa node unit rack mount dimensions |
| Operating Temp | 0 to 50 deg C |
| Power Consumption | Dual-redundant power module internal load |
| Power Supply | 220 to 240 VAC |
| Redundancy | Dual-redundant power supply modules |
| Explosion Protection | Basic type (no explosion protection rating) |
| Bus Protocol | ESB Bus interface |
4-20 mA Loop Processing and Channel Isolation
The ANR10D-420 provides high-speed backplane signal conversion and power delivery for field I/O modules operating across 4-20 mA HART and voltage loop protocols. Galvanic channel-to-channel isolation prevents ground loop interference from degrading measurement precision during multi-node node communications. Dual power supplies operate in a parallel load-sharing configuration, ensuring uninterrupted process control loop execution in the event of a primary AC feed failure.
Frequently Asked Questions
Q: Can an individual power supply module within the ANR10D-420 be replaced while the node unit is energized?
A: Yes. The dual-redundant power architecture (-4) supports live hot-swapping of a failed power supply module while the secondary supply maintains full operation of the ESB bus backplane and mounted I/O modules.
Q: Is the ANR10D-420 suitable for installation in hazardous area locations requiring Ex certification?
A: No. The option code "0" designates a basic hardware construction without explosion-proof or intrinsic safety barriers. It must be installed in safe, non-hazardous control cabinet environments.
Field Installation Guidelines
- Ensure that dual 220 to 240 VAC input lines originate from separate power circuits or UPS feeds to maximize overall power availability.
- Connect the protective conductor terminal (earth ground) directly to the main cabinet ground copper busbar using heavy-gauge wire prior to applying line voltage.
- Maintain minimum clearances around the top and bottom ventilation openings of the node frame to allow adequate convection cooling.
- Verify that ESB bus cable connectors are securely fastened and locked in place to prevent accidental bus disconnection during plant operations.
- Apply dust covers or blanking plates over unused I/O slots to shield internal backplane connectors from airborne particulate contamination.
Yokogawa ANR10D-420 ESB Bus Node Unit
Yokogawa ANR10D-420 ESB Bus Node Unit
The Yokogawa ANR10D-420, also cataloged as the ANR10D ESB Bus Node Unit, operates as a dedicated hardware component for fieldbus signal interface expansion and dual-redundant power distribution within CENTUM VP control systems.
Suffix Breakdown & Model Matrix
- ANR10D: ESB Bus Node Unit (Base Model)
- -4: Dual-redundant power supply configuration
- 2: 220 to 240 VAC power supply voltage rating
- 0: Basic type with no explosion protection specification
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | ANR10D-420 |
| Brand | Yokogawa |
| Origin | Japan |
| Weight | 2.0 kg (shipping weight) |
| Dimensions | Standard Yokogawa node unit rack mount dimensions |
| Operating Temp | 0 to 50 deg C |
| Power Consumption | Dual-redundant power module internal load |
| Power Supply | 220 to 240 VAC |
| Redundancy | Dual-redundant power supply modules |
| Explosion Protection | Basic type (no explosion protection rating) |
| Bus Protocol | ESB Bus interface |
4-20 mA Loop Processing and Channel Isolation
The ANR10D-420 provides high-speed backplane signal conversion and power delivery for field I/O modules operating across 4-20 mA HART and voltage loop protocols. Galvanic channel-to-channel isolation prevents ground loop interference from degrading measurement precision during multi-node node communications. Dual power supplies operate in a parallel load-sharing configuration, ensuring uninterrupted process control loop execution in the event of a primary AC feed failure.
Frequently Asked Questions
Q: Can an individual power supply module within the ANR10D-420 be replaced while the node unit is energized?
A: Yes. The dual-redundant power architecture (-4) supports live hot-swapping of a failed power supply module while the secondary supply maintains full operation of the ESB bus backplane and mounted I/O modules.
Q: Is the ANR10D-420 suitable for installation in hazardous area locations requiring Ex certification?
A: No. The option code "0" designates a basic hardware construction without explosion-proof or intrinsic safety barriers. It must be installed in safe, non-hazardous control cabinet environments.
Field Installation Guidelines
- Ensure that dual 220 to 240 VAC input lines originate from separate power circuits or UPS feeds to maximize overall power availability.
- Connect the protective conductor terminal (earth ground) directly to the main cabinet ground copper busbar using heavy-gauge wire prior to applying line voltage.
- Maintain minimum clearances around the top and bottom ventilation openings of the node frame to allow adequate convection cooling.
- Verify that ESB bus cable connectors are securely fastened and locked in place to prevent accidental bus disconnection during plant operations.
- Apply dust covers or blanking plates over unused I/O slots to shield internal backplane connectors from airborne particulate contamination.
