Timing Diagram Scb-04 With Configuration Pr19 - Zander Aachen SCB Serie Betriebsanleitung

17.2 Timing diagram SCB-04 with Configruation Pr19
Table 11 shows the corresponding extract from the configuration table.
Configuration No.
Auto Man.
reset reset
19
Table 11: Extract from Configuration table SCB-04 - Configuration Pr19
Legend : F1: AUX C1 serves as immediate output for the time-delayed safe outputs/contacts
F2: AUX C2 serves as fault signaling
Figure 25 shows the timing diagram for Configuration Pr19.
Figure 25: Timing diagram for SCB-04 with Configuration Pr19 (Qualitative representation)
t : Power supply activation
1
t : Safety circuit I11/I12 is closed. Outputs/contacts are not yet switched
2
t : Pressing the reset button at X1
3
t : All outputs/contacts are activated with the falling edge of the reset button
4
t : Requirement of the safety function by opening the safety circuit I11/I12
5
t : Outputs O1, O2 and C1 are switches off immediately (reaction time)
6
t : Relay contacts 17-18/27-28 switches off after the parameterized delay time has elapsed
7
t : Safety circuit I11/I12 is closed. Outputs/contacts are not yet switched
8
t : All outputs/contacts are activated with the falling edge of the reset button
9
t : Requirement of the safety function by opening the safety circuit I11/I12
10
t : Outputs O1, O2 and C1 are switched off immediately, taking the reaction times into account
11
t : Power supply switch off. All outputs and relay contacts switch off immediately
12
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Safety Time Control Device SCB
Non-delayed
outputs/contacts
Man. reset
with autom.
O1 O2 17/18
re-triggering
Delayed
outputs/contacts
27/28 O1 O2 17/18 27/28
AUX Function
Delay type
C1 C2
F1 F2 Off-delay