SE311 Bosch Rexroth Indramat
Wake Industrial LLC is not an authorized distributor of this product.
MPN: 0 608 830 237
The Bosch Rexroth Indramat SE311 is part of the SB System Box Units series and weighs 1.4 kilograms. It features two digital inputs and two digital outputs rated for 24 V DC and 100 mA output current, supporting DIN 19240 standards. The unit measures 271 mm in height, 25.55 mm in width, and 285 mm in depth, and comes with a 6-pin strip terminal I/O connector and IP20 protection class.
Internal Product Review
The SE311 is an SB System Box unit with 24 V DC digital I/O built to DIN 19240. The 2 digital inputs and 2 digital outputs give the module a practical balance for straightforward machine interfacing. IP20 protection and a 6-pin strip terminal support clean panel installation and dependable control integration.
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Product Description:
The SE311 is a compact control submodule supplied by Bosch Rexroth Indramat for integration within the SB System Box Units series. It provides local input and output processing, program storage, and serial communication within an industrial control cabinet. Localized logic and digital signaling reduce the amount of wiring routed to a higher-level PLC and support faster data exchange in distributed automation systems. The narrow design also allows multiple modules to be installed in panel layouts where rail space is limited.
The module has an overall height of 271 mm, a width of 25.55 mm, and a depth of 285 mm. Its mass is 1.4 kg, which limits the additional load placed on the cabinet assembly. The IP20 enclosure protects against accidental finger contact while permitting the airflow needed for convection cooling. Field wiring connects through a six-pin strip terminal that accepts an MC 1.5/6ST-3.5 plug. A nine-pin Sub-D connector provides an RS-232 service interface for parameter transfers and runtime diagnostics. The digital section follows DIN 19240 and uses isolated inputs with sourcing outputs. Its input and output circuits share a common supply rail that draws 300 mA, allowing the cabinet power supply load to be calculated accurately.
The regulated 24 V DC logic maintains stable signal states and supports deterministic edge detection across two isolated inputs. Paired outputs can pulse or latch connected loads, and each channel can source up to 100 mA without an external relay. Nonvolatile memory retains application code when power is removed, preventing the loss of stored control routines during shutdowns. The module can hold as many as 48 programs simultaneously, allowing machine behavior to be changed through software selections. Standardized digital signaling supports compatible sensors and actuators without requiring custom interface circuitry. The serial service connection remains separate from the field terminals, so monitoring and parameter changes do not require disruption of the installed input and output wiring.
