Page 738 - Softbound_Edition_19_en

Digital amplifier module
Digital amplifier module SD7 Digital amplifier module SD7
BLOCK DIAGRAM ENHANCED AMPLIFIER WITH HART CONNECTION EXAMPLE BASIC AMPLIFIER
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 -
+ DC X1-15
Supply DC PWM U I
voltage X1-6 LED Solenoid A Fuse Solenoid A Solenoid B
Supply voltage +
0 VDC green Microcontroller Command value preset
Supply voltage -
A/D X1-16 with potentiometer
on analogue input 1
Ref
Error active/ Supply voltage +
Stabilised output X1-7 Command value preset Solenoid A active
with potentiometer
voltage A X1-13 Enable
on analogue input 1
X1-9 PWM U on digital input 1 on Digital input 1
+ I Error active/ Supply voltage +
Analogue input 1 X1-10 + - Solenoid B Solenoid B active Solenoid A active
Solenoid B active
Enable
- X1-14 Only with mode of operation
10-Bit A/D on digital input 1
on Digital input 2
«command value unipolar on Digital input 1
(2-Sol with DigInp)»
Solenoid B active
on digital input 2 Solenoid B active
X1-11 Only with mode of operation
+ LED red «command value unipolar on Digital input 2
Analogue input 2 X1-12 + - D (2-Sol with DigInp)»
on digital input 2
- Option
LED yellow Command value preset Fieldbus X4
Master
and enable
Option
Ref A X1-17 + via fieldbus Fieldbus X4
Command value preset
Master
SPI Analogue output and enable
via fieldbus
D X1-18 - Option
X1-21 A HART 12-Bit Command value preset HART X1-21
+ H and enable Master X1-22
Option
Command value preset
Analogue input 3 X1-22 + - via HART HART X1-21
- and enable Master
H-GND X1-22
A via HART
H-GND D
X1-23 16-Bit
+ X1-3
Analogue input 4 X1-24 + - Digital output 1
-
A Mode of operation „Command value unipolar (1-sol)“
X1-4 Fuse Solenoid A
D Digital output 2 Supply voltage + Fuse Solenoid A
Supply voltage +
X1-8 16-Bit Supply voltage -
Analogue ground Supply voltage -
Solenoid B
Solenoid B
Command value preset 1
Command value preset 1
with potentiometer
with potentiometer
on analogue input 1
on analogue input 1
Error active/
Supply voltage +
Error active/ Supply voltage +
Solenoid A active
X1-1 Solenoid A active
Digital input 1 Command value preset 2
Command value preset 2
with potentiometer on Digital input 1
with potentiometer
on Digital input 1
on analogue input 2
X1-2 on analogue input 2
Digital input 2 Solenoid B active
Solenoid B active
FEPROM
RAM Enable on Digital input 2
on Digital input 2
X1-19 EEPROM X2 USB Enable
on Digital input 1
Digital input 3 on Digital input 1
see "Pin Assignment"
X1-20 Option
Digital input 4 Option Fieldbus Option
Option X4
Command value preset
Master
and enable
Command value preset Fieldbus X4
via fieldbus
and enable Master
via fieldbus
Option
Option
Command value preset HART X1-21 Option
Option Master
and enable
X1-21
Command value preset HART X1-22
via HART
and enable Master X1-22
via HART
Wandfluh AG Tel. +41 33 672 72 72 sales@wandfluh.com Illustrations not obligatory Data sheet no. Wandfluh AG Tel. +41 33 672 72 72 sales@wandfluh.com Illustrations not obligatory Data sheet no.
Postfach Fax +41 33 672 72 12 www.wandfluh.com Data subject to change 1.13-101E 8/10 Postfach Fax +41 33 672 72 12 www.wandfluh.com Data subject to change 1.13-101E 9/10
CH-3714 Frutigen Edition 23 02 CH-3714 Frutigen Edition 23 02
Page 738