Pilz 474600 USED

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474600 USED

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SKU : 474600
Brand : Pilz
Material number:


  • 4 safe digital outputs with 0.5 A
  • Source circuit
  • Output type A
  • Current monitoring
  • Open circuit detection
  • Integrated output protection

This module is equipped with 4 safe digital outputs. The nominal output current is 0.5 A.

The module can be used for controlling actuators in safety-related applications up to PL e or SIL 3.

The outputs are designed using semiconductor technology so that the safety-related characteristics do not depend on the number of operating cycles. The "high-side low-side" variant (output type A) is limited to actuators without reference potential (e.g. relays, valves). Type A outputs have safety-related advantages since the actuator can be cut off in its connection cable in all error scenarios. Safe digital output channels provide protection against automatic restart when network errors occur and also using a current measurement for open circuit detection.

This module is designed for X20 12-pin terminal blocks.

State: Used
Specification :
Short description
I/O module 4 safe type A digital outputs, with current monitoring, 24 VDC, 0.5 A, OSSD <500 µs
General information
B&R ID code 0x1DBE
System requirements  
Automation Studio 3.0.71 or later
Automation Runtime 2.95 or later
SafeDESIGNER 2.58 or later
Safety Release 1.1 or later
mapp Technology Package mapp Safety 5.7.0 or later
Status indicators I/O function per channel, operating state, module status
Module run/error Yes, using LED status indicator and software
Outputs Yes, using LED status indicator and software
Blackout mode  
Scope Module
Function Module functionality
Standalone mode No
Max. I/O cycle time 800 µs
Power consumption  
Bus 0.25 W
Internal I/O 1.3 W
Additional power dissipation caused by actuators (resistive) [W] 0.24
Electrical isolation  
Channel - Bus Yes
Channel - Channel No
CE Yes
Functional safety cULus FSPC E361559
Energy and industrial systems
Certified for functional safety
ANSI UL 1998:2013
Functional safety IEC 61508:2010, SIL 3
EN 62061:2005/A2:2015, SIL 3
EN ISO 13849-1:2015, Cat. 4 / PL e
IEC 61511:2004, SIL 3
Functional safety EN 50156-1:2004
ATEX Zone 2, II 3G Ex nA nC IIA T5 Gc
IP20, Ta (see X20 user's manual)
FTZÚ 09 ATEX 0083X
UL cULus E115267
Industrial control equipment
HazLoc cCSAus 244665
Process control equipment
for hazardous locations
Class I, Division 2, Groups ABCD, T5
DNV Temperature: A (0 - 45°C)
Humidity: B (up to 100%)
Vibration: A (0.7 g)
EMC: B (bridge and open deck)
KR Yes
Temperature: 5 - 45°C
Vibration: 0.7 g
EMC: Bridge and open deck
KC Yes
Safety characteristics
EN ISO 13849-1:2015  
Category Cat. 3 if parameter "Disable OSSD = Yes - Warning",
Cat. 4 if parameter "Disable OSSD = No"
PL PL d if parameter "Disable OSSD = Yes - Warning",
PL e if parameter "Disable OSSD = No"
DC >60% if parameter "Disable OSSD = Yes - Warning",
>94% if parameter "Disable OSSD = No"
Mission time Max. 20 years
IEC 61508:2010,
IEC 61511:2004,
EN 62061:2013
SIL CL SIL 2 if parameter "Disable OSSD = Yes - Warning",
SIL 3 if parameter "Disable OSSD = No"
SFF >60% if parameter "Disable OSSD = Yes - Warning",
>90% if parameter "Disable OSSD = No"
PFH / PFHd  
openSAFETY wired Negligible
openSAFETY wireless <1*10-14 * Number of openSAFETY packets per hour
Proof test interval (PT) 20 years
Safe digital outputs  
EN ISO 13849-1:2015  
MTTFD per channel 100 years if parameter "Disable OSSD = Yes - Warning",
2500 years if parameter "Disable OSSD = No"
IEC 61508:2010,
IEC 61511:2004,
EN 62061:2013
PFH / PFHd per channel <5*10-8 if parameter "Disable OSSD = Yes - Warning",
<1*10-10 if parameter "Disable OSSD = No"
PFD per channel <1*10-3 if parameter "Disable OSSD = Yes - Warning",
<2*10-5 if parameter "Disable OSSD = No"
I/O power supply
Nominal voltage 24 VDC
Voltage range 24 VDC -15% / +20%
Integrated protection Reverse polarity protection
Safe digital outputs
Quantity 4
Variant FET, 1x positive switching, 1x negative switching, type A, output level readable, open-circuit detection
Nominal voltage 24 VDC
Nominal output current 0.5 A
Total nominal current 2 A
Output protection See section "Inrush current behavior for output channels".
Braking voltage when switching off inductive loads Max. 90 VDC
Open-circuit detection Via internal current measurement,
output current <10 mA: Signal "CurrentOK" = FALSE,
output current 10 to 50 mA: Signal "CurrentOK" = Undefined,
output current >50 mA: Signal "CurrentOK" = TRUE
Error detection time 1 s
Insulation voltage between channel and bus 500 Veff
Peak short-circuit current See section "Inrush current behavior for output channels".
Leakage current when the output is switched off <10 µA
RDS(on) 240 mΩ
Switching voltage I/O power supply minus voltage drop due to RDS(on)
Max. switching frequency See section "Inrush current behavior for output channels".
Test pulse length Max. 500 µs
Time between two test pulses Min. 49.5 ms
Max. capacitive load 100 nF
Operating conditions
Mounting orientation  
Horizontal Yes
Vertical Yes
Installation elevation above sea level 0 to 2000 m, no limitation
Degree of protection per EN 60529 IP20
Ambient conditions
Horizontal mounting orientation 0 to 60°C
Vertical mounting orientation 0 to 50°C
Derating See section "Derating".
Storage -40 to 85°C
Transport -40 to 85°C
Relative humidity  
Operation 5 to 95%, non-condensing
Storage 5 to 95%, non-condensing
Transport 5 to 95%, non-condensing
Mechanical properties
Note Order 1x safety-keyed terminal block separately.
Order 1x safety-keyed bus module separately.
Pitch 25+0.2 mm
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Pilz 474600 USED