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BOSCH REXROTH
R911172544


$1,085.08 USD
  • BOSCH REXROTH
  • Material:R911172544
  • Model:S20-SSI-AO-1/1

Quantity in stock: 0

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***Disclaimer: The following summary contains information gathered from various sources such as product descriptions, technical specifications and catalogs. While efforts have been made to provide accurate details, inaccuracies may occur. It is advised to verify all information by contacting Bosch Rexroth directly.***
The Bosch Rexroth S20-SSI-AO-1/1 (R911172544) is a sophisticated IO module designed with a modular and compact structure, ensuring easy handling and rapid installation. This device is specifically engineered to fit seamlessly into control cabinets or field setups, thanks to its space-saving technology that is suitable for top hat rail mounting. Its robust design incorporates forced ventilation through an axial fan, which contributes to the module's reliable performance in various operational conditions. The S20-SSI-AO-1/1 module stands out for its ability to interface with absolute encoders via an SSI connection, managing an impressive encoder resolution of up to 32 bits. It accommodates both gray and binary code inputs and supports a high transmission frequency of up to 2 MHz, making it highly versatile for different data acquisition scenarios. Additionally, the module features an analog output that can be employed for setting values in diverse drive systems such as electric or hydraulic drives. Equipped with current and voltage measuring ranges, the S20-SSI-AO-1/1 also offers diagnostic and status indicators that enhance its functionality and reliability in monitoring tasks. The device is capable of detecting the position through absolute encoders while also providing options such as rotation direction reversal for comprehensive control over motion applications. This IO module is part of a product group identified by the ctrlX configurator from Bosch Rexroth, highlighting its compatibility with open communication standards which ensures maximum availability when integrated into machine concepts. The innovative assembly and installation concept of this IO technology underscores its user-friendly nature, allowing for individual combination of modules to meet bespoke requirements within an automation station setup.


Cabinet I/O S20

The modular, compact device design of the I/O systems from Rexroth provides you with maximum flexibility for cost-effective implementation of your custom machine concepts. The I/O modules have a robust design and mechanics, Forced ventilated - Axial fan 230Vre easy to handle, have a fast reaction time and are quick to install – both in the control cabinet as well as in the field. Open communication standards allow you to perfectly integrate the I/O modules with maximum availability.

Unpacked Weight: 0.192 kg

This module is designed for use within an 20 station. It is used to acquire data from absolute encoders with an SSI interface using a maximum resolution of up to 56 bits. This module supports encoders with gray and binary code. Transmission rates of up to 2 MHz are supported. The module also has an analog output that can be used to specify set values, e.g. for electric or hydraulic drives.

Innovative assembly and installation concept
Individually combinable modules
Space-saving I/O technology for top hat rail mounting
Compact, modular and simple
Type code extensionS20-SSI-AO-1/1
Productgroup ID4,6
ctrlX configuratorhttps://www.boschrexroth.com/ctrlx-configurator/
Number of channels1
EPLANhttps://ecad-configuration.boschrexroth.com/?rootpartnr=BOS.S20-SSI-AO-1%2F1**&downloads=true
Weight0.192

General data

Type

S20-SSI-AO-1/1

Color

Gray

Weight 1)

g

135

Ambient temperature (operation)

-25 °C ... +60 °C

Ambient temperature (storage/transport)

-40 °C ... +85 °C

Permissible relative humidity (operation)

5 % ... 95 %, no dewing

Permissible relative humidity (storage/transport)

5 % ... 95 %, no dewing

Air pressure (operation)

70 kPa ... 106 kPa (up to 3000 m above sea level)

Air pressure (storage/transport)

70 kPa ... 106 kPa (up to 3000 m above sea level)

Protection type

IP20

Protection class

III, IEC 61140, EN 61140, VDE 0140-1
1) Including plug and bus base module

Connection data

Type

S20-SSI-AO-1/1

Designation

S20 connector

Connection type

Push-in technology

Conductor cross-section solid/flexible/AWG

0.2 mm² ... 1.5 mm²
0.2 mm² ... 1.5 mm²
24 ... 16

Stripping length

mm

8

Permissible cable length

m

≤ 250

Interface local bus

Type

S20-SSI-AO-1/1

Connection type

Bus base module

Number

1

Transmission speed

MBit/s

100

Power supply to logic

Type

S20-SSI-AO-1/1

Logic voltage UBus 1)

V DC

5

Maximum current consumption from UBus

mA

140

Maximum power consumption from UBus

mW

700
1) Via bus base module

Power supply to peripherals

Type

S20-SSI-AO-1/1

Feed to digital input modules UI

V DC

24

Maximum permitted voltage range 1)

​19.2 V DC ... ​30 V DC

Current consumption from UI 2)

mA

≤ 60

Maximum power consumption from UI 2)

W

1.4

Overvoltage protection

Electronic (35 V, 0.5 s)

Reverse polarity protection

Reverse polarity protection diode

Transient protection

Suppressor diode
1) Including all tolerances, including ripple
2) Supply for SSI interface and the analog output (20 mA), without sensor supply

SSI interface

Type

S20-SSI-AO-1/1

Number

1

Connection type

Push-in technology

Connectivity technology

4-wire, twisted pair, shielded cable

Description of the input

RS-422 interface acc. to SSI specification

Encoder signals

Single-turn and multi-turn encoder, length measuring rods

Cycle frequency

Up to 2 MHz (configurable: 67.5 kHz, 125 kHz (default), 250 kHz, 500 kHz, 1 MHz)

Parity

Even, Odd or No Parity

Resolution

8 ... 56 Bit

Encoding

Gray code, binary code

Process data update

Depending on the used encoder, clock frequency and the data length.

Overvoltage protection

Electronic (35 V, permanent)

Short-circuit protection, overload protection

Electronic

Transient protection

Shielding

Encoder supply

Type

S20-SSI-AO-1/1

24 V encoder supply

Nominal output voltage

24 V DC (UI-0.5 V)

Voltage range

19.5 V DC ... 30 V DC

Current-carrying capacity

mA

≤ 500

Overvoltage protection

Electronic (35 V, 0.5 s)

Short-circuit protection, overload protection

Electronic

Transient protection

Shielding

Analog outputs

Type

S20-SSI-AO-1/1

Number of analog outputs

1

Connection type

Push-in technology

Connectivity technology

2-wire technology (shielded, twisted pair)

Resolution D/A

bits

16

D/A conversion time

µs

5

Output value representation

16 bits (15 bits + sign)

Data formats

IB IL, S7 compatible

Permissible cable length

m

≤ 250

Overvoltage protection

Electronic (35 V, permanent)

Short-circuit protection, overload protection

Electronic

Transient protection

Suppressor diode

Analog outputs, current

Type

S20-SSI-AO-1/1

Current output signal

0 mA ... 20 mA
4 mA ... 20 mA
-20 mA ... 20 mA

Output load current output

Ω

≤ 500

Precision

Typ. 0.1 % (of the output range end value)

Analog outputs, voltage

Type

S20-SSI-AO-1/1

Voltage output signal

0 V ... 5 V
-5 V ... 5 V
0 V ... 10 V
-10 V ... 10 V

Output load voltage output

> 2

Precision

Typ. 0.1 % (of the output range end value)

PROFIBUS telegram data

Type

S20-SSI-AO-1/1

Need for parameter data

byte

29

Need for configuration data

byte

7

Mechanical tests

Type

S20-SSI-AO-1/1

Vibration resistance 1)

g

5

Shock 2)

30 g, 11 ms duration, semi-sinusoidal shock pulse

Continuous shock 2)

g

10
1) Acc. to EN 60068-2-6/IEC 60068-2-6
2) Acc. to EN 60068-2-27/IEC 60068-2-27

Conformity

Type

S20-SSI-AO-1/1

Conforms with

Testing of interference immunity acc. to EN 61000-6-2

Discharge of static electricity (ESD)

Criterion B; 6 kV contact discharge; 8 kV air discharge acc. to EN 61000-4-2/IEC 61000-4-2

Electro-magnetic fields

Criterion A; field strength: 10 V/m acc. to EN 61000-4-3/IEC 61000-4-3

Fast transients (burst)

Criterion B; 2 kV acc. to EN 61000-4-4/IEC 61000-4-4

Transient overvoltage (surge)

Criterion B; supply lines DC: ±0.5 kV/±0.5 kV (symmetric/asymmetric); fieldbus cable shielding: ±1 kV acc. to EN 61000-4-5/IEC 61000-4-5

Line-fed disturbances

Criterion A; test voltage 10 V acc. to EN 61000-4-6/IEC 61000-4-6

Testing of disturbance transmission acc. to EN 61000-6-3

Radio disturbance characteristics

Class B acc. to EN 55022

Approvals

The current approvals can be found at www.boschrexroth.com.

technical illustration-R911172544-Cabinet I/O S20

Dimensions

Type

S20-SSI-AO-1/1

A

mm

35

B

mm

126.1

C

mm

54

Note on dimensions

The depth applies when using a support rail TH 35-7.5 (acc. to EN 60715).