Expansion Module Em231 Analog Input Ai 3 X 12 Bits - Siemens Simatic S7-200 System Manual
Programmable controller
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Also See for Simatic S7-200:
- System manual (607 pages) ,
- Getting started (65 pages) ,
- Manual (55 pages)
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S7-200 Data Sheets
A.33 Expansion Module EM231 Analog Input AI 3 x 12 Bits
Order Number: 6ES7 231-0HC00-0XA0
General Features
Physical size (L x W x D)
90 x 80 x 62 mm
(3.54 x 3.15 x 2.44 in)
Weight
0.2 kg (0.4 lbs.)
Power dissipation
2 W
1
3 Analog inputs
Points
Standards compliance
UL 508
FM Class I, Division 2
VDE 0160 compliant
CE compliant
Input Points
Input type
Differential
Input impedance
Input filter attenuation
-3 db @ 3.1 kHz
Maximum input voltage
30 V
Maximum input current
32 mA
Resolution
12 bit A/D converter
Isolation
Non-isolated
1
The CPU reserves 4 analog input points for this module.
2
Data Word increments in 8 count steps, left justified values. See Figure A-35.
Voltage transmitter
ANALOG
RA
IN - PS
Figure A-33
Connector Terminal Identification for Expansion Module EM231 Analog Input AI 3 x 12 Bits
A-60
Input Points (continued)
Analog-to-digital
conversion time
Analog step response
Common mode rejection
Common mode voltage
CSA C22.2 142
Data word format
Unipolar, full-scale range
Current Requirements
5 VDC logic current
10 MΩ
External power supply
Indicator LED, EXTF
Power Supply Fault
Current transmitter
Unused
+ -
input
A+
A –
RB
B+
B –
RC
< 250 µs
1.5 ms to 95%
40 dB, DC to 60 Hz
Signal voltage plus common
mode voltage, less than or
equal to 12 V
2
0 to 32000
70 mA from base unit
60 mA from base unit or
external power supply
(24 VDC nominal, Class 2
or DC sensor supply)
Low voltage, on external
24 VDC
-
24V
+
C+
C –
L+
M
EM231
EXTF
AI 3 x 12 Bit
S7-200 Programmable Controller System Manual
C79000-G7076-C230-02
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