beautypg.com

3 control terminals – Siemens MICROMASTER 420 User Manual

Page 31

background image

Issue 07/04

2 Installation

MICROMASTER 420 Operating Instructions

6SE6400-5AA00-0BP0

31

2.4.3 Control

terminals

Terminal Designation Function

1

-

Output +10 V

2

-

Output 0 V

3

ADC+

Analog input 1 (+)

4

ADC-

Analog input 1 (-)

5

DIN1

Digital input 1

6

DIN2

Digital input 2

7

DIN3

Digital input 3

8

-

Isolated output +24 V / max. 100 mA

9

-

Isolated output 0 V / max. 100 mA

10

RL1-B

Digital output / NO contact

11

RL1-C

Digital output / Changeover contact

12

DAC+

Analog output (+)

13

DAC-

Analog output (-)

14 P+

RS485

port

15 P-

RS485

port

Fig. 2-7

Control terminals of MICROMASTER 420

A detailed description of the inputs and outputs is provided in Section 3.6.