BinMaster Introduces SmartBob Continuous Level Sensor with 4-20 mA Output Direct to a PLC
BinMaster Level Controls of Lincoln, Nebraska, USA announces the introduction of the SmartBob AO level sensor featuring an integrated 4-20 mA analog output to a PLC for monitoring bin level measurement data. A simple push-button user interface built into the SmartBob AO circuitry is used to configure the settings for each SmartBob AO. To set up the SmartBob AO, the user opens the device to access the keypad and steps through a series of push-button settings to set the interval timer, units of measure, 4 mA and 20 mA drop distances, maximum drop distance, and the Relay 1 and 2 functions. Once setup is complete, measurement data is sent directly to a PLC, with all settings for the bin saved in the non-volatile memory of the SmartBob AO.
The interval timer setting initiates a measurement in pre-determined time intervals such as every two, four or eight hours. When a measurement is needed immediately, an external start input can be used to initiate a measurement on demand. Additionally, an override input feature can be used to turn the measurement feature off, disabling the measurement function. The override feature is useful when filling tanks to avoid covering the SmartBob probe with material or to stop measurements when a bin is undergoing maintenance or cleaning.
The SmartBob AO features two relays that are configurable by the user, unlike competitive products that only have one relay, making the SmartBob AO more flexible and providing more data to the end user. The user simply selects any two of four different relay options in any combination including measurement status (measurement in process), high level alarm, low level alarm or error alarm (Bob did not take a measurement). Other benefits of the SmartBob AO include the output of a 22 mA error signal if the SmartBob AO should encounter a “stuck top” or “stuck bottom” condition and a soft start feature that reduces wear on the motor.
SmartBob AO diagram showing bin level measurement
"The SmartBob AO with built-in 4-20 mA output was designed for facilities that prefer an analog output for monitoring their bin level measurement data," stated Todd Peterson, vice president of sales for BinMaster. "The programming interface and controls are built in to the SmartBob AO circuit board for easy programming. Since the SmartBob AO measurement data is sent directly to a PLC, it provides an alternative to using a C-100 or RSU control console or eBob software for accessing measurement levels."
About BinMaster
BinMaster is a division of Garner Industries – an ISO 9001:2008 certified company established in 1953 and headquartered in a 75,000 square foot manufacturing facility in Lincoln, Nebraska, USA. BinMaster is strategically focused on designing, manufacturing and marketing reliable, proven sensoring devices for the measurement of bulk solid and liquid materials for the feed and grain, food, plastics, pulp & paper, power, mining, and concrete industries. The BinMaster product line is sold worldwide and features many diverse technologies for bin level indication and measurement, being well known for its SmartBob2 and 3DLevelScanner advanced inventory management solutions.
SmartBob AO Level Sensor
BinMaster Introduces SmartBob Continuous Level Sensor with 4-20 mA Output Direct to a PLC
BinMaster Level Controls of Lincoln, Nebraska, USA announces the introduction of the SmartBob AO level sensor featuring an integrated 4-20 mA analog output to a PLC for monitoring bin level measurement data. A simple push-button user interface built into the SmartBob AO circuitry is used to configure the settings for each SmartBob AO. To set up the SmartBob AO, the user opens the device to access the keypad and steps through a series of push-button settings to set the interval timer, units of measure, 4 mA and 20 mA drop distances, maximum drop distance, and the Relay 1 and 2 functions. Once setup is complete, measurement data is sent directly to a PLC, with all settings for the bin saved in the non-volatile memory of the SmartBob AO.
The interval timer setting initiates a measurement in pre-determined time intervals such as every two, four or eight hours. When a measurement is needed immediately, an external start input can be used to initiate a measurement on demand. Additionally, an override input feature can be used to turn the measurement feature off, disabling the measurement function. The override feature is useful when filling tanks to avoid covering the SmartBob probe with material or to stop measurements when a bin is undergoing maintenance or cleaning.
The SmartBob AO features two relays that are configurable by the user, unlike competitive products that only have one relay, making the SmartBob AO more flexible and providing more data to the end user. The user simply selects any two of four different relay options in any combination including measurement status (measurement in process), high level alarm, low level alarm or error alarm (Bob did not take a measurement). Other benefits of the SmartBob AO include the output of a 22 mA error signal if the SmartBob AO should encounter a “stuck top” or “stuck bottom” condition and a soft start feature that reduces wear on the motor.
SmartBob AO diagram showing bin level measurement
"The SmartBob AO with built-in 4-20 mA output was designed for facilities that prefer an analog output for monitoring their bin level measurement data," stated Todd Peterson, vice president of sales for BinMaster. "The programming interface and controls are built in to the SmartBob AO circuit board for easy programming. Since the SmartBob AO measurement data is sent directly to a PLC, it provides an alternative to using a C-100 or RSU control console or eBob software for accessing measurement levels."
About BinMaster
BinMaster is a division of Garner Industries – an ISO 9001:2008 certified company established in 1953 and headquartered in a 75,000 square foot manufacturing facility in Lincoln, Nebraska, USA. BinMaster is strategically focused on designing, manufacturing and marketing reliable, proven sensoring devices for the measurement of bulk solid and liquid materials for the feed and grain, food, plastics, pulp & paper, power, mining, and concrete industries. The BinMaster product line is sold worldwide and features many diverse technologies for bin level indication and measurement, being well known for its SmartBob2 and 3DLevelScanner advanced inventory management solutions.
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