SIWAREX Platform and Hopper Scales
SIWAREX DB Digital Junction Box
For enhanced diagnostics and monitoring options in conjunction with SIWAREX WP weighing electronics.
SIWAREX DB is a digital junction box for enhanced diagnostics and monitoring options in conjunction with SIWAREX WP weighing electronics.
Thanks to individual channel monitoring, error states such as wire break and overload can be identified in a targeted manner. Connecting SIWAREX DB to a SIWAREX WP electronic weighing system ensures seamless integration in the SIMATIC world.
Key Features
- Additional diagnostic options due to evaluation of individual load cells
- Integration in SIMATIC via connection to SIWAREX weighing module
- Seamless communication between control and field level, supports tracking of order number and location code
- Easy replacement of analog junction boxes
- Suitable for use in harsh environments due to IP66
- Simplified service: multimeter no longer required
- Fast initial diagnosis via LEDs
Benefits of the single channel monitoring:
- Wire break alarm: indicates load cell is no longer correctly connected
- Impedance measurement: monitors change in load cell resistance
- Monitoring of overload/underload
- Optimise current utilisation of individual load cells
Technical Specifications
SIWAREX DB | Connection to automation systems: | SIMATIC S7-1200; SIMATIC ET 200SP; ET200SP HA
| |
|---|---|---|---|
IP degree of protection | IP66, DIN 60529 | ||
Material housing: | die-cast aluminum, DIN EN 1706 EN AC-AlSi 12 (Fe) | ||
Ambient temperature: | -20 … +80°C | ||
Dimensions | 100 x 160 x 81 mm | ||
Design
The SIWAREX DB digital junction box has a die-cast aluminum or stainless steel enclosure. The enclosure is dust-protected and splashproof according to the IP66 degree of protection.
Cables are fed in through metric cable glands. Plug-in terminals reduce wiring effort during commissioning. Connection to SIWAREX WP electronic weighing systems is via the RS 485 interface.
Application
SIWAREX DB is the optimum solution wherever strain-gauge sensors such as load cells, force sensors and torque measuring shafts are used for measuring in the SIMATIC environment and optimum diagnostics options are needed.
SIWAREX DB is suitable for all weighing applications, particularly level measurement, platform weighing and proportioning.
SIWAREX DB can be connected to the following SIWAREX WP electronic weighing systems:
- SIWAREX WP231 (7MH4960-2AA01)
- SIWAREX WP321 (7MH4138-6AA00-0BA0)
The SIWAREX U Advantage
SIWAREX DB offers the following key advantages:
- Additional diagnostics options due to evaluation of individual load cells
- Integration in SIMATIC by connection to SIWAREX WP electronic weighing system
- Seamless communication between control and field levels supports retention of order number and location designation
- Easy replacement of analog junction boxes:
- Suitable for use in harsh environments thanks to IP66
- Simplified service: multimeter no longer required
- Rapid initial diagnostics with LEDs
Advantages of single channel evaluation:
- Wire break signal: load cell no longer correctly connected
- Impedance monitoring: change in load cell resistance
- Monitoring of overload/underload
- Current load factor of each load cell: determination of the center of gravity is possible
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