Samson 3374-11 - Page 49

EB 8331-4 EN 49
Operating level
Application:Three-stepmode(3STP)
–
+1 IN
–1
IN
+2
IN
–2
IN
+3
IN
–3
IN
+4
IN
4
IN
+
–
Binary signal
Three-wire connection: Four-wire connection:
–
+1 IN
–1
IN
+2
IN
–2
IN
+3
IN
–3
IN
+4
IN
4
IN
Binary signal
Retracts
:
Extends
:
Wire all the inputs free of voltage.
Fig.19:Terminal assignment when three-step mode selected as the application
Application:Temperatureclosed-loopcontrolupon
input signal failure (POSF)
–
+1 IN
–1
IN
+2
IN
–2
IN
+3
IN
–3
IN
+4
IN
4
IN
0(4) ... 20 mA
0(2) ... 10 V
Pt 1000
Binary signal
Î Wire the input free of voltage.
Fig.20:Terminal assignment when temperature closed-loop control upon input signal failure selected
as the application