Samson 3374-10 Mounting And Operating Instructions page 49

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