A.13 Specifications For Em 231 Thermocouple, Em 231 Rtd Modules - Siemens SIMATIC S7-200 System Manual

A.13 Specifications for EM 231 Thermocouple, EM 231 RTD Modules
Table A-21 Specifications for EM 231 Thermocouple and EM 231 RTD Modules
Description
Order Number
General Specifications
Dimensions (W x H x D)
Weight
Power loss (dissipation)
Number of physical I/O
Power Consumption
From +5 VDC (from I/O bus)
From L+
L+ voltage range, Class 2 or DC sensor supply
LED indicator
Analog Input Specifications
Isolation
Field side to logic
Field side to 24 VDC
24 VDC to logic
Common mode input range
(input channel to input channel)
Common mode rejection
Input type
Input ranges
Input Resolution
Temperature
Voltage
Resistance
Measuring Principle
Module update time: All channels
Wire length
Wire loop resistance
Suppression of interference
Data word format
Maximum sensor dissipation
Input impedance
Maximum input voltage
Resolution
Input filter attenuation
Basic error
Repeatability
Cold junction error
S7-200 Programmable Controller System Manual
A5E00066097-02
EM 231 AI 4 x Thermocouple
6ES7 231-7PD20-0XA0
71.2 mm x 80 mm x 62 mm
210 g
1.8 W
4 analog input points
87 mA
60 mA
20.4 to 28.8 VDC
24 VDC Power Supply Good: ON =
no fault, OFF = no 24 VDC power
SF: ON = module failure, BLINKING
= input signal error, OFF = no faults
500 VAC
500 VAC
500 VAC
120 VAC
> 120 dB @ 120 VAC
Floating TC
TC types (select one):
S, T, R, E, N, K, J
Voltage range: +/- 80 mV
0.1 C / 0.1 F
15 bits plus sign
Sigma-delta
405 mS
100 meters to sensor max
100Ω max
85 dB @ 50 Hz/60 Hz/ 400 Hz
Voltage: -27648 to + 27648
>1 MΩ
30 VDC
15 bit + sign
-3 dB @ 21 kHZ
0.1% FS (voltage)
0.05% FS
1.5 C
S7-200 Specifications
EM 231 AI 2 x RTD
6ES7 231-7PB20-0XA0
71.2 mm x 80 mm x 62 mm
210 g
1.8 W
2 analog input points
87 mA
60 mA
20.4 to 28.8 VDC
24 VDC Power Supply Good: ON = no
fault, OFF = no 24 VDC power
SF: ON = module failure, BLINKING = input
signal error, OFF = no faults
500 VAC
500 VAC
500 VAC
0
> 120 dB @ 120 VAC
Module ground referenced RTD
RTD types (select one):
Pt -100Ω, 200Ω, 500Ω, 1000Ω
(with α = 3850 ppm, 3920 ppm,
3850.55 ppm, 3916 ppm, 3902 ppm)
Pt -10000Ω (α = 3850 ppm)
Cu -9.035Ω (α = 4720 ppm)
Ni -10Ω, 120Ω, 1000Ω
(with α = 6720 ppm, 6178 ppm)
R -150Ω, 300Ω, 600Ω FS
0.1 C / 0.1 F
15 bits plus sign
Sigma-delta
405 ms (700 ms for Pt10000)
100 meters to sensor max
20Ω, 2.7Ω for Cu max
85 dB @ 50 Hz/60 Hz/400 Hz
Resistance: -27648 to +27648
1m W
>10 MΩ
30 VDC (sense), 5 VDC (source)
15 bit + sign
-3 dB @ 3.6 kHz
0.1% FS (resistance)
0.05% FS
A-67