Page 740 - Softbound_Edition_19_en

Digital amplifier module
Digital amplifier module SD7
CONNECTION EXAMPLE ENHANCED AMPLIFIER

Mode of operation „Command value unipolar (2-sol)“ or „Command value unipolar (2-sol with DigInp)“

Fuse Solenoid A Solenoid B
Supply voltage +
Supply voltage -

Command value preset
with potentiometer
on analogue input 1 Error active/ Supply voltage +
Solenoid A active
Enable X1-17 on Digital input 1
on Digital input 3
Solenoid B active
Solenoid B active
(only with mode of operation 5) X1-18 on Digital input 2
on Digital input 4

Ramp off X1-19
on Digital input 5
Fixed command value 1 X1-20
Fixed command value 2 X1-21
Fixed command value 4 X1-22
on Digital input 6–8
Disable solenoid A X1-1
Disable solenoid B X1-2
on Digital input 1–2
Option
Option Fieldbus
Command value preset X4
and enable Master
via fieldbus

CONNECTION EXAMPLE ENHANCED AMPLIFIER WITH HART
Mode of operation „Command value unipolar (2-sol)“ or „Command value unipolar (2-sol with DigInp)“

Fuse Solenoid A Solenoid B
Supply voltage + X1-5
Supply voltage - X1-6 X1-15
X1-16

X1-13
Command value preset X1-21 X1-14
and enable HART X1-22
via HART
on analogue input 3 Error active/ Supply voltage +
Solenoid A active
X1-3 on Digital input 1
Solenoid B active
X1-4 on Digital input 2

Fuse Solenoid A
Supply voltage + X1-5
Tel. +41 33 672 72 72
Wandfluh AG Supply voltage - sales@wandfluh.com Illustrations not obligatory Data sheet no.
X1-15
X1-6
Postfach Fax +41 33 672 72 12 www.wandfluh.com Data subject to change 1.13-101E 10/10
X1-16
CH-3714 Frutigen Solenoid B Edition 23 02
Page 740
Command value preset X1-21
and enable HART X1-22 X1-14
via HART
on analogue input 3 Error active/ Supply voltage +
Solenoid A active
X1-3 on Digital input 1
Solenoid B active
X1-4 on Digital input 2