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BOSCH REXROTH
R911173255


$1,643.64 USD
  • BOSCH REXROTH
  • Material:R911173255
  • Model:S20-PSDO-8/3

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-PSDO-8/3 (R911173255) is a safety-related digital output module designed for use in PROFIsafe systems. It is characterized by its modular, compact design that allows for flexible and cost-effective implementation into custom machine concepts. This particular module boasts robust mechanics, including a forced ventilated axial fan that ensures reliable operation under various conditions. The S20-PSDO-8/3 is engineered for easy handling, quick installation, and fast reaction times, making it suitable for both control cabinet and field applications. The device supports open communication standards for seamless integration with high availability systems and features individually combinable modules that adhere to innovative assembly and installation concepts. This IO technology is optimized for space-saving top hat rail mounting, contributing to a compact and straightforward setup. With its type code extension SPSDO, the S20-PSDO-8/3 falls under the product group ID of the ctrlX configurator. It offers a number of channels that can be easily managed through tools like EPLAN for efficient planning and configuration. This output module provides 8 safe digital outputs which can be configured either as 4 two-channel outputs or as 8 single-channel outputs to meet various safety requirements. It comes with diagnostic and status indicators to facilitate monitoring and troubleshooting. The module meets stringent safety standards with SIL3 compliance according to EN 62061, SILCL3 according to EN 62061, and Category 4/PLe as per EN ISO 13849-1 for assured operational safety. The electronic device nameplate ensures clear identification of the module's specifications. Its weight is kept minimal without compromising on durability or functionality, further enhancing its suitability for diverse industrial applications where space efficiency and safety are paramount.


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: 0.356 kg

Safety-related digital output module, IP20 protection, for use in PROFIsafe systems. The module has 4 safe digital outputs for two-channel assignment or 8 safe digital outputs for single-channel assignment.

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-PSDO-8/3
Productgroup ID4,6
ctrlX configuratorhttps://www.boschrexroth.com/ctrlx-configurator/
Number of channels8
EPLANhttps://ecad-configuration.boschrexroth.com/?rootpartnr=BOS.S20-PSDO-8%2F3**&downloads=true
Weight0.356

General data

Type

S20-PSDO-8/3

Weight 1)

g

≈ 220

Operating mode

PROFIsafe process data mode with 4 words

Ambient temperature (operation) 2)

-35 °C ... +60 °C

Ambient temperature (operation) 3)

-35 °C ... +55 °C

Ambient temperature (storage/transport)

-40 °C ... +85 °C

Permissible relative humidity (operation)

75 % on average, 85 % occasionally

Permissible relative humidity (storage/transport)

75 % on average, 85 % occasionally

Air pressure (operation)

70 kPa … 108 kPa (up to 3000 m above sea level)

Air pressure (storage/transport)

66 kPa … 108 kPa (up to 3500 m above sea level)

Protection type 4)

IP20

Protection class 5)

III, IEC EN 61140, VDE 0140-1

Clearances and creepage distances

Acc. to IEC 60439-1, derived from IEC 60664-1

Housing material

Plastic PBT, self-extinguishing (V0)

Supported stop category

0; 1 in error-free state acc. to EN 60204
1) Including plug
2) Any installation position
3) Acc. to CULUS; with max. total current 6 A; 4 outs loaded with 1,5 A or 8 outs loaded with 0,75 A
4) Operation min. in installation space IP54
5) Protective extra-low voltage

Connection data

Type

S20-PSDO-8/3

Designation

S20 connector

Connection type

Tension spring modules

Conductor cross-section solid/flexible/AWG

0.5 mm² ... 1.5 mm²
0.25 mm² ... 1.5 mm²
24 ... 16

Stripping length

mm

8

Safety characteristics

Type

S20-PSDO-8/3

Acc. to IEC 61508/EN 61508

Achievable SIL 1)

SIL 2 (single-channel)
SIL 3 (two-channel)
-

Probability of dangerous failure by demand through the safety function (PFD)

SIL 2: Maximum 1 % of 10-2 (corresponds to 1 * 10-4)
SIL 3: Maximum 1 % of 10-3 (corresponds to 1 * 10-5)

Probability of dangerous failure per hour for the whole module (PFH) 2)

SIL 2: Maximum 1 % of 10-6 (corresponds to 1 * 10-8)
SIL 3: Maximum 1 % of 10-7 (corresponds to 1 * 10-9)
-

Hardware error tolerance (HFT) of the module

1

Permissible operating time 3)

Years

20

Acc. to EN 62061

Achievable SIL Claim Limit 1)

SIL CL 2 = SIL 2 (single-channel)
SIL CL 3 = SIL 3 (two-channel)
-

Safe Failure Fraction (SFF)

%

99

Probability of dangerous failure per hour for the whole module (PFH) 2)

SIL 2: Maximum 1 % of 10-6 (corresponds to 1 * 10-8)
SIL 3: Maximum 1 % of 10-7 (corresponds to 1 * 10-9)
-

Hardware error tolerance (HFT) of the module

1

Permissible operating time 3)

Years

20

Acc. to EN ISO 13849-1

Achievable Performance Level 1)

PL d (single-channel)
PL e (two-channel)
-

Degree of diagnostic cover (DC)

%

99

Mean time to a dangerous failure (MTTFd)

100 years
-
1) Depending on the parameterization and circuit
2) Depending on the parameterization
3) With low demand rate, 25 years

Supply voltage UBus (Logic)

Type

S20-PSDO-8/3

Logic voltage UBus

V DC

5

Typical current consumption from UBus 1)

mA

260

Maximum current consumption from UBus

mA

280
1) All outputs set; supply through UO from 19.2 V DC ... 30.2 V DC

Supply voltage UO (Actuators)

Type

S20-PSDO-8/3

Nominal voltage 1)

V DC

24

Ripple

Vpp

3.6

Permissible voltage range 2)

​19.2 V DC ... ​30.2 V DC

Current consumption from UO 3)

mA

25

Permitted interruption time 4)

ms

10

Overvoltage protection

Yes (in module)

Reverse polarity protection

Yes (in module)

Undervoltage detection

Yes, at approx. 17 V

Diagnosis displays

LED (green) UO

External protection 5)

A

≤ 8
1) Acc. to EN 61131-2, EN 60204
2) Including all tolerances, including ripple
3) All outputs set; supply from UO with 30.2 V DC; without supply of actuators
4) Within this period of time, the output voltage for the secure outputs breaks down, since the outputs are not buffered internally
5) Slow time-lag

Safe digital outputs

Type

S20-PSDO-8/3

Number of digital outputs

4/8 (two-channel/single-channel, plus-switching)

Supply

Supply voltage UO (Actuators)

Maximum output current

Per output

A

≤ 2

Per output (acc. to CULUS)

A

≤ 1.5

All outputs (total current)

A

≤ 8

All outputs (total current) (acc. to CULUS)

A

≤ 6

Per group (total current)

Group 1 (OUT0_K1, OUT1_K1, OUT2_K1, OUT3_K1)

A

≤ 4

Group 1 (OUT0_K1, OUT1_K1, OUT2_K1, OUT3_K1) (acc. to CULUS)

A

≤ 3

Group 2 (OUT0_K2, OUT1_K2, OUT2_K2, OUT3_K2)

A

≤ 4

Group 2 (OUT0_K2, OUT1_K2, OUT2_K2, OUT3_K2) (acc. to CULUS)

≤ 3 A

Maximum output voltage low state

V

< 5

Maximum leakage current low state

mA

≤ 2

Minimum holding voltage of the connected loads

V

> 5

Maximum load

Inductance

H

1

Capacitive (in relation to current)

10 µF per channel; 10 µF in total

Minimum load

16 mA at 24 V

1.5

Limited inductive cut-off voltage

V

- 15

Output voltage

UO ‒ ca. 1 V

Simultaneity 1)

%

100

Maximum switching frequency

1 Hz; 0.2 Hz > 1 A
-
-

Filter time

None

Switch-off delay for shutdown 2)

Configurable

​250 ms ... ​128 s

Maximum duration of test pulses

In deactivated state; drive actively

ms

1

In activated state 3)

ms

3

Status indicators

One green LED per output

Diagnosis displays

One red LED per output
1) Up to 45 °C (observe maximum current load)
2) After stop category 1; precision ±5 % of parameterized value
3) Depending on the load capacity

Mechanical tests

Type

S20-PSDO-8/3

Vibration resistance 1)

10 ... 57 Hz: 0.35 mm with constant amplitude; 57 ... 150 Hz; 5 g acceleration, constant amplitude

Shock 2)

30 g, 11 ms; criterion A
1) Acc. to IEC 60068-2-6
2) Acc. to IEC 60068-2-27

Conformity

Type

S20-PSDO-8/3

Conforms with

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

Discharge of static electricity (ESD)

Criterion A; 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 A; test voltage 2 kV acc. to EN 61000-4-4/IEC 61000-4-4

Transient overvoltage (surge)

Testing severity 2, criterion A;supply lines DC: 0.5 kV/0.5 kV (symmetric/asymmetric); signal lines: 1.0 kV/2.0 kV (symmetric/asymmetric) 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 61000-6-4

Testing of line-fed disturbance transmission

Class B, residential area, acc. to EN 55022

Approvals

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

technical illustration-R911173255-Cabinet I/O S20

Dimensions

Type

S20-PSDO-8/3

A

mm

53.6

B

mm

126.1

C

mm

54