Datasheet

Relays for functional safety
Safety relays PNOZsigma
PNOZ s9
Pilz GmbH & Co. KG, Felix-Wankel-Straße 2, 73760 Ostfildern, Germany
Telephone: [phone], Telefax: [phone], E-Mail: [e-mail]
2016-09
759
Set delay time
Time selector switch "t[s]"
Factor selector switch "n"
n x t[s] = Delay time
Example:
t = 4 s, n = 5
Delay time = 5 x 4 = 20 s
Connection
} Supply voltage
Supply voltage AC DC
A1
L+
A2
L-
} 1-channel input circuit/feedback loop
Input circuit Input circuit Feedback loop
Without base unit (stand-
alone)
S32
+24 V DC
A2
0 V
S3
A1
A2
24 V DC
0 V
PNOZs9
S34
S32
K5
K6
S3
Base unit:
Safety relay PNOZ X
24 V DC
0 V
A1
A2
PNOZs9
S32
S34
PNOZ X
24 V DC
0 V
A2
PNOZs9
45
46
PNOZ X
S34
feedback
loop
Base unit:
Safety relay PNOZelog;
driven via semiconductor
outputs (24 VDC)
24 V DC
0 V
A1
A2
PNOZs9
S32
S34
PNOZelog
Output
24 V DC
0 V
A2
PNOZs9
45
46
PNOZelog
S34
*
feedback
loop