SOT02-E1A-CU Bosch Rexroth Indramat
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MPN: R911244973
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The Bosch Rexroth Indramat SOT02-E1A-CU is a station operator terminal from the SOT Operator Panels series, featuring a 16-line display with a viewing area of 4.875 by 2.75 inches and backlit by a cold cathode fluorescent lamp. This unit is programmable with ScreenManager, offers 8 local 24 VDC outputs, has 128 KB RAM capacity, and uses a lithium battery with 3.6 V. It provides IP65 front protection, IP30 rear protection, and supports both RS-232 and RS-485 serial interfaces with up to 15 nodes and a maximum RS-485 cabl
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Product Description:
The SOT02-E1A-CU is a human-machine interface manufactured by Bosch Rexroth Indramat within the SOT Operator Panels series. As a station operator terminal, it gives machine personnel menu-driven access to parameters, alarms, and process data directly at the equipment. The unit supports on-site programming through the ScreenManager software so that users can tailor the displayed information and keypad functions to the requirements of a particular cell or line.
The terminal operates from a regulated 24 VDC supply and draws only 110 mA, allowing it to share low-capacity control cabinet power loops without overloading them. Its operator screen is a 16-line display illuminated by a cold-cathode fluorescent lamp, and the effective viewing window measures 4.875 × 2.75 in, which provides adequate character height for production-floor readability. An on-board 128 KB RAM bank stores active variables and recipes, while the lithium backup battery at 3.6 V keeps data intact during power loss. The molded front bezel carries an IP65 rating so dust and water jets cannot reach the keypad or display, whereas the rear housing remains at IP30 for convective cooling inside an enclosure. Communication to controllers is handled through an RS-232/485 serial port that is selectable in software.
Deployed as a station unit, the panel accepts operator commands through a standard membrane keyboard and forwards control signals through 8 × 24 VDC transistor outputs, which can drive relays or indicators directly. When connected over RS-485, it can be located up to 1000 m from the master and still support a multidrop network of 15 terminals, while the alternative RS-232 link is limited to 15 m for point-to-point wiring. This ScreenManager-programmable configuration lets users assign keys, alarms, and data fields without additional hardware modifications.
Frequently Asked Questions about SOT02-E1A-CU:
Q: What type of display is included on the SOT02-E1A-CU operator panel?
A: The SOT02-E1A-CU features a 16-line display for presenting operator information.
Q: How many local outputs does the SOT02-E1A-CU operator terminal provide?
A: This model offers 8 local outputs rated at 24 VDC each for external control or signaling devices.
Q: What level of environmental protection does the front of the SOT02-E1A-CU offer?
A: It has an IP65 front protection rating, providing resistance to dust and low-pressure water jets.
Q: What is the required supply voltage for the SOT02-E1A-CU panel?
A: The SOT02-E1A-CU is powered by a 24 VDC supply voltage.
Q: What are the RS-485 communication capabilities of the SOT02-E1A-CU?
A: This panel supports RS-485 connections for distances up to 1000 meters and a node count of 15.
