Last Editor Paul Cox - Siemens ST950 Handbook

9. Audible units must be provided with a separate drive and return core. Audible units
on the same Audible Driver Module may share a common drive and return core (up
to 250m) if required to reduce core usage, but must remain separate from the LED
signal returns and digital input returns.
NO MORE than 3 cores should be connected in parallel. The numbers in
the cells within the tables indicate the number of cores required to meet the
voltage drop requirement.
For the 40/42V ELV Controller, see section 4.12
Security classification Unrestricted
Version 4
Last Editor Paul Cox
Document Name ST950 General Handbook
Copyright © Siemens plc 2015. All Rights Reserved.
Mobility Division, Traffic Solutions
Sopers Lane, Poole, Dorset, BH17 7ER
Page 59 of 107
Status Issued
Date 16-Jul-2015
Document No. 667/HB/46000/000
Mobility is a division of Siemens Plc