Siemens ST950 - Dual Level Audibles - Single Output Type

Mobility, Intelligent Traffic Systems
Sopers Lane, Poole, Dorset, BH17 7ER
Security classification
Unrestricted
Page
66 of 154
Version
7
Status
Issued
Last Editor
manpreet.jeerh
Date
January 2020
Document Name
ST950 ICM Handbook
Document No.
667/HE/45950/000
Copyright © Siemens plc 2020. All Rights Reserved. Mobility is a division of Siemens Plc
4.15.3 Dual Level Audibles – Single Output type
The recommended technique for connecting Dual Level Audibles (for the single-
output type) is shown in Figure 30.
Figure 30 – Dual Level Audible Driver Module Connections – Single
Output type
LSLS Signal
LSLS Return
Numbered
signal output
Return
Audible +
Audible -
-
+
Audible +
Audible -
-
+
Loud
Audible 1
Loud
Audible 8
Audible Driver
Module
LSLS
I/O Card
INH -
INH +
Common
Normally Open
LSLS Signal
LSLS Return
Audible +
Audible -
-
+
Audible +
Audible -
-
+
INH -
INH +
Normally Closed
Quiet
Audible 8
Quiet
Audible 1