Thermocouple And Rtd Expansion Modules Specifications - Siemens Simatic S7-200 System Manual

Thermocouple and RTD Expansion Modules Specifications

Table A-22 Thermocouple and RTD Modules Order Numbers
Order Number
6ES7 231–7PD22–0XA0 EM 231 Analog Input Thermocouple, 4 Inputs
6ES7 231–7PB22–0XA0 EM 231 Analog Input RTD, 2 Inputs
Table A-23 Thermocouple and RTD Modules General Specifications
Order Number Module Name and Description
6ES7 231–7PD22–0XA0 EM 231 Analog Input
Thermocouple, 4 Inputs
6ES7 231–7PB22–0XA0 EM 231 Analog Input RTD, 2 Inputs
Table A-24 Thermocouple and RTD Modules Specifications
General
Isolation
Field to logic
Field to 24 VDC
24 VDC to logic
Common mode input range
(input channel to input channel)
Common mode rejection
Input type
1
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
Input filter attenuation
Basic error
Repeatability
Cold junction error
24 VDC supply voltage range
1
The input range selection (temperature, voltage on resistance) applies to all channels on the module.
Expansion Model
Dimensions (mm)
(W x H x D)
71.2 x 80 x 62
71.2 x 80 x 62
6ES7 231–7PD22–0XA0
Thermocouple
500 VAC
500 VAC
500 VAC
120 VAC
> 120 dB at 120 VAC
Floating TC
TC types (select one per module)
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 at 50 Hz/60 Hz/ 400 Hz
Voltage: –27648 to + 27648
–
≥1 MΩ
30 VDC
–3 db at 21 kHz
0.1% FS (voltage)
0.05% FS
±1.5 ° C
20.4 to 28.8 VDC
Technical Specifications Appendix A
EM Inputs EM Outputs
4 Thermocouple –
2 RTD –
VDC Requirements
Weight Dissipation
+5 VDC
210 g 1.8 W 87mA
210 g 1.8 W 87 mA
6ES7 231–7PB22–0XA0
RTD
500 VAC
500 VAC
500 VAC
0
> 120 dB at 120 VAC
Module ground referenced RTD
RTD types (select one per module):
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 at 50 Hz/60 Hz/400 Hz
Resistance: –27648 to +27648
1m W
≥ 10 MΩ
30 VDC (sense), 5 VDC (source)
–3 db at 3.6 kHz
0.1% FS (resistance)
0.05% FS
–
20.4 to 28.8 VDC
Removable
Connector
No
No
+24 VDC
60 mA
60 mA
A
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