Monitored Inputs - Siemens XC1003-A Technical Manual

Planning
6.1.2

Monitored inputs

38
Building Technologies
Fire Safety & Security Products
WARNING
The use of monitored inputs is not permitted in Ex areas!
Monitored input 1
Monitored input 1 has two active switching levels. The following are provided for its
connection:
A contact of the pressure switch located at the end of the manifold for reporting
–
the activation of extinguishing or
A contact that reports to the control unit any gas leakage from the extinguishing
–
agent cylinders. The extinguishing agent cylinders are checked using bottle
scales or a manometer for weight or pressure, respectively.
Fig. 24 Monitored input 1, programming step 4
1. Contact "Released"
2. Contact "Loss of extinguishing agent"
3. End-of-line resistor
In programming step 4, you can select the following functions:
Option 1: If contact 1 and contact 2 are normally open (NO) contacts
–
Option 2: If contact 1 is a normally open (NO) contact and contact 2 is a
–
normally closed (NC) contact
Option 3: If contact 1 is not available and contact 2 is a normally open (NO)
–
contact
Details on programming, see chapter 11.6.4.
Requirement: "Released" and "Loss of extinguishing agent" conditions on monitored input 1 are
allowed only with XCA1016 add-on module (see chapter 5.6.3).
A6V10099837_a_en
12.2007