Siemens 440 User Manual
Issue 10/06
2 Electrical Installation
MICROMASTER 440
Operating Instructions (Compact)
Operating Instructions (Compact)
21
2.3 Control
terminals
Terminal Designation Function
1
–
Output +10 V
2
–
Output 0 V
3
ADC1+
Analog input 1 (+)
4
ADC1–
Analog input 1 (–)
5
DIN1
Digital input 1
6
DIN2
Digital input 2
7
DIN3
Digital input 3
8
DIN4
Digital input 4
9
–
Isolated output +24 V / max. 100 mA
10
ADC2+
Analog input 2 (+)
11
ADC2–
Analog input 2 (–)
12
DAC1+
Analog output 1 (+)
13
DAC1–
Analog output 1 (–)
14
PTCA
Connection for PTC / KTY84
15
PTCB
Connection for PTC / KTY84
16
DIN5
Digital input 5
17
DIN6
Digital input 6
18
DOUT1/NC
Digital output 1 / NC contact
19
DOUT1/NO
Digital output 1 / NO contact
20
DOUT1/COM
Digital output 1 / Changeover contact
21
DOUT2/NO
Digital output 2 / NO contact
22
DOUT2/COM
Digital output 2 / Changeover contact
23
DOUT3/NC
Digital output 3 / NC contact
24
DOUT3/NO
Digital output 3 / NO contact
25
DOUT3/COM
Digital output 3 / Changeover contact
26
DAC2+
Analog output 2 (+)
27
DAC2–
Analog output 2 (–)
28
–
Isolated output 0 V / max. 100 mA
29 P+
RS485
port
30 N–
RS485
port
Fig. 2-9
Control terminals of MICROMASTER 440