Siemens MICROMASTER 440 - Manual (Page 21)

Issue 10/06 2 Electrical Installation
MICROMASTER 440
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