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Digital amplifier module
Digital amplifier module SD7 Digital amplifier module SD7
BLOCK DIAGRAM BASIC AMPLIFIER BLOCK DIAGRAM ENHANCED AMPLIFIER

X1-5
+ DC U X1-15
Supply voltage DC PWM I + X1-5 DC U X1-15
X1-6 Microcontroller Solenoid A Supply DC PWM I
- X1-16 voltage X1-6 LED Microcontroller Solenoid A
A/D 0 VDC green X1-16
X1-7 A/D
Stabilised
output voltage LED Ref
green
X1-9 Stabilised output X1-7
+ voltage A
Analogue input 1 X1-10 + - A PWM U X1-13 X1-9 PWM U I X1-13
voltage - I + + Solenoid B
Solenoid B Analogue input 1 X1-10 -
- 10-Bit X1-14
X1-14 A/D
A/D
X1-11
+ X1-11
Analogue input 2 X1-12 + - D + + LED red
current - LED red Analogue input 2 - X1-12 -
LED yellow
LED yellow Ref
X1-1 Stabilised output X1-31 SPI A X1-32 Analogue output
Digital input 1 voltage D
X1-3 12-Bit
Digital output 1 X1-25
+
Analogue input 3 X1-26 + - X1-30
X1-4 - Analogue ground
X1-2 Digital output 2
Digital input 2 FEPROM A SPI
RAM X1-27 D
EEPROM + 16-Bit
X1-8 Analogue input 4 + X1-3 Digital output 1
Analogue ground - X1-28 -
X2 USB
see "Pin Assignment" X1-4
Digital output 2
Option Analogue ground X1-8 X1-23
HART Digital output 3
X1-24
X1-21 Fieldbus (option) Digital output 4
(Option) + A X4 • CAN / S1939
Analogue input 3 X1-22 + - • Profibus
• current - D see "Pin Assignment"
• HART
X1-1
Digital input 1
X1-2
Digital input 2
Configuration Analog inputs Basic amplifier Configuration Analog inputs Enhanced amplifier
Digital input 3 X1-17
Type designation Analog input 1 Analog input 2 Type designation Analog inputs
SD7x0xDx0-Ax Voltage Current Nr. 1 Nr. 2 Nr. 3 Nr. 4 Digital input 4 X1-18
SD7x0xDx1-Ax Voltage Voltage* SD735xDx4-Bx Voltage Current Voltage Current X1-19
SD7x0xDx2-Ax Current Current SD735xDx5-Bx Voltage Voltage* Voltage Voltage Digital input 5
SD735xDx6-Bx Current Current Current Current X1-20
Digital input 6
SD735xDx7-Bx Voltage Voltage* Current Current
* x = P only 0...10VDC possible SD735xDx8-Bx Current Current Voltage Voltage Digital input 7 X1-21
FEPROM X2 USB
FEPROM
RAM
RAM
X1-22 see "Pin Assignment"
EEPROM
Configuration Analog inputs Basic amplifier HART Configuration Analog inputs Enhanced amplifier HART Digital input 8 EEPROM
Type designation Analog inputs Type designation Analog inputs Digital ground X1-29
Nr. 1 Nr. 2 Nr. 3 Nr. 1 Nr. 2 Nr. 3 Nr. 4 Option
SD7x0xDx0-BH Voltage Current Current SD735xDx4-BH Voltage Current Current Current
Fieldbus (Option)
SD7x0xDx1-BH Voltage Voltage Current SD735xDx6-BH Current Current Current Current X4 • CAN / S1939
SD7x0xDx2-BH Current Current Current SD735xDx7-BH Voltage Voltage Current Current • Profibus
see "Pin Assignment"

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 6/10 Postfach Fax +41 33 672 72 12 www.wandfluh.com Data subject to change 1.13-101E 7/10
CH-3714 Frutigen Edition 23 02 CH-3714 Frutigen Edition 23 02
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