Technical Specifications; Response Time; Response Time Of A Single Safety Switch Tr4; Response Time For Multiple Cascaded Tr4 Safety Switches - SICK TR4 Direct Cylindrical Betriebsanleitung

Operating Instructions
TR4
9

Technical specifications

8014465/YTD7/2016-03-29
Subject to change without notice
Technical specifications
9.1

Response time

9.1.1

Response time of a single safety switch TR4

Guard opened
Guard closed
9.1.2 Response time for multiple cascaded TR4 safety
switches
In a cascade each downstream safety switch increases the response
time of the system by a further 40 ms.
Example 1: cascade comprising 5 safety switches TR4
Safety switch no. 1 is opened:
4 downstream safety switches à 40 ms:
Resulting response time:
Example 2: cascade comprising 5 safety switches TR4
Safety switch no. 4 is opened:
1 downstream safety switch à 40 ms:
Resulting response time:
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60 ms
φ φ
φ 360 ms φ Safety outputs enabled
en
Chapter 9
Safety outputs
switched off
60 ms
160 ms
220 ms
60 ms
40 ms
100 ms
83