Home > Products > SIEMENS > SIMATIC S7 Series
|
SIEMENS | SIMATIC S7-1200
6ES7231-5PD32-0XB0
SM 1231 RTD Analog Input Module
4 RTD or resistance inputs | 2-, 3- or 4-wire connection | 0.1 degree resolution
|
Siemens 6ES7231-5PD32-0XB0
The 6ES7231-5PD32-0XB0 is a SIMATIC S7-1200 SM 1231 RTD signal module with four analog inputs for resistance thermometers and resistance measurement. It supports 2-, 3- and 4-wire connection and provides 0.1 degree temperature resolution or 15 bit plus sign resistance resolution.
Core value: four-channel precision RTD and resistance acquisition with flexible sensor wiring for SIMATIC S7-1200.
|
|
OFFICIAL SPECIFICATIONS | 6ES7231-5PD32-0XB0
|
|
|
Complete model
|
6ES7231-5PD32-0XB0
|
|
Product family
|
SIMATIC S7-1200
|
|
Product type
|
SM 1231 RTD analog input signal module
|
|
Dimensions
|
45 x 100 x 75 mm (W x H x D)
|
|
Weight
|
220 g
|
|
Analog inputs
|
4 channels
|
|
Measurement principle
|
Integrating RTD and resistance measurement
|
|
Supported sensors
|
Resistance thermometers and resistors
|
|
Sensor connection
|
2-wire, 3-wire or 4-wire
|
|
Temperature resolution
|
0.1 C or 0.1 F
|
|
Resistance resolution
|
15 bit plus sign
|
|
Supply voltage range
|
20.4 to 28.8 V DC
|
|
24 V DC current consumption
|
40 mA
|
|
SM bus current consumption
|
80 mA
|
|
Power dissipation
|
1.5 W
|
|
Maximum input withstand
|
+/-35 V
|
|
Input impedance
|
At least 10 Mohm
|
|
Noise rejection
|
85 dB at the selected 10, 50, 60 or 400 Hz integration frequency
|
|
Common-mode rejection
|
Greater than 120 dB
|
|
Electrical isolation
|
707 V DC field-to-logic type test; no channel-to-channel isolation
|
|
Repeatability
|
+/-0.05% of full scale
|
|
Sensor dissipation
|
0.5 mW
|
|
Signal cable and lead resistance
|
100 m maximum; 20 ohm maximum lead resistance, or 2.7 ohm for 10 ohm RTD
|
|
Operating temperature
|
-20 to +60 C horizontal mounting; -20 to +50 C vertical mounting
|
|
Protection, diagnostics and approvals
|
IP20; overflow, underflow, wire-break and low-24 V diagnostics; CE, UL, CSA, FM, RCM and KC approvals; RoHS compliant
|
|
CONTACT
STELLA
|
|
RTD temperature
Acquires four resistance-temperature channels with 0.1 degree resolution.
|
Resistance measurement
Measures supported resistance ranges with 15 bit plus sign resolution.
|
|
Flexible field wiring
Supports 2-, 3- and 4-wire sensor circuits for installation-specific accuracy needs.
|
S7-1200 expansion
Adds dedicated temperature and resistance channels to a compatible SIMATIC S7-1200 station.
|
|
Input channels
|
4 RTD or resistance inputs
|
|
Connection methods
|
2-wire, 3-wire and 4-wire
|
|
Resolution
|
0.1 C or 0.1 F; resistance 15 bit plus sign
|
|
Supply
|
20.4 to 28.8 V DC
|
|
Current consumption
|
40 mA from 24 V DC; 80 mA from SM bus
|
|
Input impedance
|
At least 10 Mohm
|
|
Noise rejection
|
85 dB at selected 10, 50, 60 or 400 Hz integration frequency
|
|
Repeatability
|
+/-0.05% of full scale
|
|
Isolation
|
707 V DC field-to-logic type test; channels are not mutually isolated
|
|
1 | Mount the RTD module
Install the 45 mm wide signal module in the permitted S7-1200 station position and observe the mounting-orientation temperature limit.
|
|
2 | Select the sensor and wiring mode
Configure the exact RTD or resistor type and use the corresponding 2-, 3- or 4-wire terminal arrangement on X10 through X13.
|
|
3 | Control lead resistance
Keep signal cable within 100 m and total lead resistance within 20 ohm, or 2.7 ohm when using a 10 ohm RTD.
|
|
4 | Verify diagnostics and scaling
Check wire-break, overflow, underflow and low-supply diagnostics before commissioning each channel.
|
|
Enclosure protection
IP20; install inside a suitable control enclosure.
|
Operating environment
-20 to +60 C horizontally mounted or -20 to +50 C vertically mounted.
|
|
Approvals
CE, UL, CSA, FM, RCM and KC approvals listed for the module family.
|
Materials
RoHS-compliant SIMATIC S7-1200 signal module.
|
|
Use only documented RTD or resistor types, wiring methods and lead-resistance limits; install the module in an enclosure and verify diagnostics before commissioning.
|
|
|
Q1. How can a buyer verify the exact 6ES7231-5PD32-0XB0?
A. Match the complete Siemens MLFB on the module and packaging. The 5PD32 code identifies the four-channel SM 1231 RTD module; it is different from voltage/current, thermocouple and other RTD channel-count variants.
|
|
Q2. How can New, Used and Refurbished condition be distinguished?
A. Request current photos of the front label, MLFB label, X10 through X13 terminals, housing latches and packaging. A new module should show no terminal marks, rail-latch wear, sensor-wire residue, contamination or replacement labels.
|
|
Q3. How should procurement verify the supplier?
A. Check the legal entity, registration, verifiable address, company-domain correspondence, bank-beneficiary consistency and traceability for the exact 6ES7231-5PD32-0XB0 before payment.
|
|
Q4. Which technical points should an engineer confirm?
A. Confirm four RTD/resistance inputs, supported sensor type, 2-, 3- or 4-wire method, 0.1 degree resolution, 20.4 to 28.8 V DC supply, lead-resistance limit, 45 x 100 x 75 mm size and 220 g weight.
|
|
Q5. What physical evidence should be requested before payment?
A. Ask for dated photos or video showing the full MLFB, serial and hardware markings, terminal condition, packaging labels and dimensions. If testing is offered, request a serial-numbered live RTD reading and wire-break diagnostic demonstration.
|
|
Q6. Can another SM 1231 suffix replace this RTD module?
A. Not automatically. Different suffixes change signal type, channel count, terminal assignment, accuracy and diagnostics. A voltage/current or thermocouple module cannot replace this RTD version without a full wiring and program review.
|
|
60 INDUSTRIAL MODELS
|
||
|
MT52340DB LF 52345DB
|
TM221C24T
|
3900-02-10 RTD PT100
|
|
KNX 2CDG 110 085 R0011
|
700476021
|
F124x04 07400030
|
|
DBA-EA43/A10RH
|
CSD-SA1E1-1
|
NC-540-1-1-5
|
|
181B0729 SPR-CMB21640
|
8440-1041
|
ABB TU516/1SAP212000R0001
|
|
QPL25.500
|
MBC-130 / MBC-130B-F000
|
X100 X100A
|
|
ABB SA/S 8.6.1.1 2CDG 110 153 R0011
|
LP/ 557-180-203
|
H4D1F1X
|
|
Rex2000 D42
|
IS-UNITY
|
2CDG110 064 R0011
|
|
EC401-10
|
ULXP4 784-820
|
51453540.001
|
|
GDP-CBL-OBD/ETH-01
|
IR125Y-2 B91023013
|
ABB 3F 16/20A REG EM/S3.16.1 2CDG110148R0011
|
|
FET-40G 10-2920-02
|
XFR822A XS821-22
|
PH101 ID36048/11
|
|
MACX MCR-EX-SL-RTD-I-NC
|
CPM04-BN / BN
|
DDM-163
|
|
1609C42G-01
|
500-003087-TK0
|
6ES7222-1BF32-0XB0
|
|
760-3
|
AV3135 00-1A-07-06-C2-FB
|
DPS-750XB E98791-011
|
|
DIN 190608
|
KFD2-EB2.R4A.B
|
750-841 3x750-432 3x750-531 750-600
|
|
CS510
|
HV2855461
|
IQ4/IO/8DO IQ4IO-5000U000080
|
|
11028-00
|
HACH 6200900
|
CE96T14A2
|
|
V1405-24
|
7000005-679
|
XPR-A ST/N/04
|
|
UNO-PS/1AC/24DC/100W
|
E50 48503010
|
CCHE-CP12-6C-P003RH
|
|
EASY-E4-UC-12RC1
|
KRP928BB2S
|
SR2E201BD
|
|
FP02-77A/fp02/S0A/M/32/NC/S/77A-24D/35
|
MH4885PWHIC
|
6GK5744-1ST00-2AB6
|
EN
