3Tk2826 With Undelayed And Delayed Enabling Circuits; Connection Terminals And Their Meanings (Undelayed And Delayed) - Siemens SIRIUS 3TK2826 Manual

8.4

3TK2826 with undelayed and delayed enabling circuits

Schematic diagram of the 3TK2826 with undelayed and delayed enabling circuits
13
A1 Y12 T1 Y33 T3
SIEMENS SIEMENS
SIRIUS
DEVICE
OUT
IN
SF
Y22 T2 Y34 74 84 A2
14 24
Figure 8-2
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 Meaning
terminal
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)
3TK2826 safety relay
Manual, 08/2007, GWA NEB 926 1579-02 DS 02
23 31 47 57 61
1
SET / RESET
1
2
3
4
5
6
150 200
7
100
8
50
5
300s
3TK2826-1BB44
32 48 58 62
3TK2826-1BB44
8.4 3TK2826 with undelayed and delayed enabling circuits
Operation
23