S20-SSI-AO-1/1
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MPN: R911172544
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The S20-SSI-AO-1/1 module is manufactured by Bosch Rexroth Indramat. Part of the S20 IndraControl Modules, it features 1 SSI and 1 Analog Output channel with a current output range of 4...20 mA. The module supports up to 1 MHz SSI clock frequency. It includes short-circuit protection.
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Product Description:
The model S20-SSI-AO-1/1 is a compact special function module designed for integration within an S20 station. It enables communication with absolute encoders through an SSI interface and delivers analog output for setting drive setpoints.
The S20-SSI-AO-1/1 function module supports a single SSI interface for encoder data acquisition. It connects using a push in connection and 4 wire, shielded twisted pair cable. The interface adheres to RS 422 standards in accordance with the SSI specification. It supports both single-turn and multi-turn encoders as well as length measuring sticks. The encoder signals can be read with resolutions ranging from 8 to 56 bits. The module supports both gray code and binary code formats. It allows a parameterizable clock frequency from 62.5 kHz to 2 MHz with a default of 125 kHz. The supported frequencies include 62.5 kHz, 125 kHz, 250 kHz, 500 kHz, 1 MHz and 2 MHz. It provides flexibility in parity settings including even, odd or no parity. The encoder data update depends on the encoder configuration, clock frequency and data length used. The module is equipped with electronic surge protection rated at 35 V permanent. It also includes electronic short circuit and overload protection. The input and output address area of the module is 12 bytes each. It is also configured for PROFIBUS systems requiring 29 bytes of parameter data and 7 bytes of configuration data.
The housing of the S20-SSI-AO-1/1 function module is light gray (RAL 7035) and compactly built with dimensions of 35 mm width, 126.1 mm height and 54 mm depth. The module weighs 135 grams including connectors and the bus base module. It also includes one analog output that is designed for setting drive setpoints in electrical and hydraulic systems.
Frequently Asked Questions about S20-SSI-AO-1/1:
Q: Does the S20-SSI-AO-1/1 module allow flexible encoder resolutions for advanced applications?
A: Yes, the S20-SSI-AO-1/1 supports encoder signal resolutions from 8 to 56 bits. It enables accurate data acquisition in complex motion or positioning systems.
Q: Can the S20-SSI-AO-1/1 module maintain high signal integrity in industrial environments?
A: Yes, it uses a 4 wire shielded twisted pair cable for reliable data transfer. The RS 422 compliant interface ensures consistent signal quality across extended distances.
Q: Does the S20-SSI-AO-1/1 offer selectable data formats for encoder compatibility?
A: Yes, the module supports both gray code and binary code formats. It enables smooth integration with various encoder types across automation systems.
Q: How does the S20-SSI-AO-1/1 ensure protection against electrical faults in high-load systems?
A: It includes electronic surge protection rated at 35 V permanent. It also has built-in short circuit and overload protection to maintain safe operation.
Q: Can the S20-SSI-AO-1/1 function module handle analog drive control in compact setups?
A: Yes, the module features one analog output for setting drive setpoints. Its compact 35 mm by 126.1 mm housing supports space-constrained applications.
