Connection Terminals And Their Meanings (Undelayed) - Siemens SIRIUS 3TK2826 Manual

Operation

8.2 Connection terminals and their meanings (undelayed)

8.2 Connection terminals and their meanings (undelayed)
Table 8-1 Connecting terminals 3TK2826-*BB40 - undelayed enabling circuits
Connecting terminal
A1
A2
13, 14; 23, 24; 33, 34; 43, 44
51, 52
64
74
T1, T2
T3
1
Y12, Y22
Y33
Y34
Table 8-2 Connecting terminals 3TK2826-*CW30 - undelayed enabling circuits
Connecting terminal
A1
A2
13, 14; 23, 24; 33, 34; 43, 44
51, 52
63, 64
T1, T2
T3
1
Y12, Y22
Y33
Y34
20
Meaning
+24V DC
Chassis ground
Relay enabling circuits, normally-open
Relay signaling circuit, normally-closed (enabling circuit status)
Solid-state signaling circuit (feedback circuit fault), switching to P potential
Solid-state signaling circuit (sensor status), switching to P potential
Test outputs with pulsed test signals
Test output with static test signal
Cascading input/normal switching duty
Sensor inputs, channel 1, channel 2
Start button (start after upwards and downwards edge)
Feedback circuit (checked only for "
Meaning
24...240V AC/DC
Chassis ground/N
Relay enabling circuits, normally-open
Relay signaling circuit, normally-closed (enabling circuit status)
Signaling circuit, normally-open (feedback circuit fault)
Test outputs with pulsed test signals
Test output with static test signal (+24V DC)
Cascading input/normal switching duty
Sensor inputs, channel 1, channel 2
Start button (start after upwards and downwards edge)
Feedback circuit (checked only for "
closed"
to enable operation without feedback)
closed"
to enable operation without feedback)
Manual, 08/2007, GWA NEB 926 1579-02 DS 02
3TK2826 safety relay