Siemens ST950 Handbook page 69

+
Loud
Audible 1 -
+
-
Loud
Audible 8
Variant /002 with output
monitoring is supplied
as standard.
Figure 32 – Audible Driver Module Connections – Loud only
4 Tactile Units and 1 Audible Driver Module (8 sounders) or 2 Tactile Units and 2
Audible Drivers (16 sounders) can be simultaneously driven from one LSLS output.
Note 1: The MON COM connections are not connected to AUDIBLE COM or LQ/EN
COM. AUDIBLE COM and LQ/EN COM are not the same as COMMON on I/O
Card inputs: AUDIBLE COM and LQ/EN COM are connected to the LSLS I/P and
are 'energised' when the green phase is active, whereas COMMON on the I/O Card
input is grounded.
Note 2: Output Monitoring is performed using Special Conditioning. If more than
one Audible Module is connected, the Monitor outputs must be taken to separate
digital inputs, with separate blocks of Special Conditioning code used to monitor
each Audible Driver Module.
Security classification Unrestricted
Version 7
Last Editor manpreet.jeerh
Document Name ST950 ICM Handbook
Copyright © Siemens plc 2020. All Rights Reserved.
Audible
Driver
Module(s)
(4 max)
Loud O/P+
LSLS I/P
Audible COM
LSLS Return
R40
O/P+ LINK
FITTED
LQ COM
Quiet O/P+
EN COM
Audible COM
Mon COM
No
connection
Mon MQ
Mon COM Mon ML
Output monitoring
Mobility, Intelligent Traffic Systems
Sopers Lane, Poole, Dorset, BH17 7ER
No
connection
LQ +
EN +
Page
Status
Date
Document No.
Mobility is a division of Siemens Plc
LSLS
Numbered
signal output
Return
I/O Card
Common
Output
Normally Open
Input
Input
Common
69 of 154
Issued
January 2020
667/HE/45950/000