Examples – Pilz PSS SB HYD, Basic license User Manual

Page 280

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Examples

Modular Block System: Hydraulic Presses

ESPE/AOPD in guard mode with automatic function test (SB069)

Block used: SB069/AOPD_GDO

Set operating mode:
The following operating mode is set for this application:

GRP

= M116.00 (SafetyBUS p I/O-Group 0)

GdOn = 1

ESPE/AOPD as guard function with

SSeq

= 0

start-up disabler/function test and

ARSt

= 0

reset lock
The signal may come from a connected operating mode
selector switch block (e.g. SB051).

Sequence of automatic function test of the ESPE/AOPD in guard
mode:

• A 0/1-pulse edge at the input parameter

Test requests an automatic

function test of the ESPE/AOPD.

• The output parameter

TEST (ESPE/AOPD emitter) is switched off.

• As soon as both input parameters

NO_1 and NO_2 (ESPE/AOPD-

outputs) show a 0-signal, the output parameter

TEST (ESPE/AOPD

emitter) will be switched back on again (

TEST = 1).

• The test is complete when both input parameters

NO_1 and NO_2

(ESPE/AOPD outputs) show a 1-signal again, i.e. switched on.

INFORMATION

The block enable output parameter

ENBL = 1 for the whole duration of the

automatic function test of the ESPE/AOPD.

The maximum permitted duration of the whole test on Type 2 ESPE/
AOPDs is 150 ms (in accordance with EN 61 496-1 Section 5.2.4, 06/98).

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