Operation
8.4 3TK2826 with undelayed and delayed enabling circuits
3TK2826 safety relay
Manual, 08/2007, GWA NEB 926 1579-02 DS 02
23
8.4
3TK2826 with undelayed and delayed enabling circuits
Schematic diagram of the 3TK2826 with undelayed and delayed enabling circuits
Y22 T2 Y34 74 84 A2
14 24 32 48 58 62
13 23 31 47 57 61
A1 Y12 T1 Y33 T3 1
3TK2826-1BB44
SIEMENS
SIEMENS
SIRIUS
DEVICE
OUT
IN
SF
SET / RESET
1
2
3
4
5
6
7
8
5
50
100
150 200
300s
Figure 8-2
3TK2826-1BB44
8.5
Connection terminals and their meanings (undelayed and delayed)
Table 8-5
Connecting terminals 3TK2826-*BB4.1/2/4 - undelayed and delayed enabling circuits
Connecting
terminal
Meaning
A1
+ 24 V DC
A2
Chassis ground
13, 14; 23, 24
Relay enabling circuit, normally-open, undelayed
31, 32
Relay signaling circuit, normally-closed (enabling circuit status), undelayed
47, 48; 57,58
Relay enabling circuit, normally-open, delayed
61,62
Relay signaling circuit, normally-closed (enabling circuit status), delayed
74
Solid-state signaling circuit (feedback circuit fault), switching to P potential
84
Solid-state signaling circuit (sensor status), switching to P potential
T1, T2
Test outputs with pulsed test signals
T3
Test output with static test signal (+24V DC)
1
Cascading input/normal switching duty
Y12, Y22
Sensor inputs, channel 1, channel 2
Y33
Start button (start after upwards and downwards edge)
Y34
Feedback circuit (checked only for "closed" to enable operation without feedback)
Содержание Sirius 3TK2826
Страница 10: ...Product family 3 1 Order numbers 3TK2826 safety relay 10 Manual 08 2007 GWA NEB 926 1579 02 DS 02 ...
Страница 14: ...Functions 5 1 Functions 3TK2826 safety relay 14 Manual 08 2007 GWA NEB 926 1579 02 DS 02 ...
Страница 54: ...External circuitry 10 3 Output circuit 3TK2826 safety relay 54 Manual 08 2007 GWA NEB 926 1579 02 DS 02 ...
Страница 56: ...Commissioning 11 1 Commissioning 3TK2826 safety relay 56 Manual 08 2007 GWA NEB 926 1579 02 DS 02 ...
Страница 60: ...Technical data 12 2 Dimension drawings 3TK2826 safety relay 60 Manual 08 2007 GWA NEB 926 1579 02 DS 02 ...