6ES7231-7PB22-0XA0-EM231-Analog-Input-module

6ES7231-7PB22-0XA0 EM231 Analog Input module

Category: Module Tags: 6ES7231-7PB22-0XA0, EM231 Analog Input module

Description
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Description

6ES7231-7PB22-0XA0 EM231 Analog Input module is an Analog RTD/Resistance Input Module of SIMATIC S7-200 series PLC, The Analog input EM 231 is used to only for S7-22X CPU, this module has 2 AI (Analog Input), Pt100/200/500/1000/10000, NI100/120/1000, CU10, Resistance 150/300/600 ohm, 15 bit +sign.

Specification of 6ES7231-7PB22-0XA0 EM231 Analog Input module

Brand	SIEMENS
Model	6ES7231-7PB22-0XA0
Product series	EM231 Module
Input current
from load voltage L+ (without load), max.	60 mA
from backplane bus 5 V DC, max.	87 mA
Power loss
Power loss, typ.	1.8 W; Sensor: 1 mW
Analog inputs
Number of analog inputs	2
permissible input voltage for voltage input (destruction limit),	30 V; 30 V DC (probe), 5 V DC (source)
max.
Loop resistance cable	20 Ω; max. 2.7 Ohm for Cu
Updating time (all channels)	405 ms; 700 ms with Pt10000
Input ranges
● Voltage	No
● Current	No
● Thermocouple	No
● Resistance thermometer	Yes
● Resistance	Yes
Input ranges (rated values), resistance thermometer
● Cu 10	Yes
— Input resistance (Cu 10)	10 MΩ
● Ni 10	Yes
— Input resistance (Ni 10)	10 MΩ
● Ni 1000	Yes
— Input resistance (Ni 1000)	10 MΩ
● Ni 120	Yes
— Input resistance (Ni 120)	10 MΩ
● Pt 100	Yes
— Input resistance (Pt 100)	10 MΩ
● Pt 1000	Yes
— Input resistance (Pt 1000)	10 MΩ
● Pt 10000	Yes
— Input resistance (Pt 10000)	10 MΩ
● Pt 200	Yes
— Input resistance (Pt 200)	10 MΩ
● Pt 500	Yes
— Input resistance (Pt 500)	10 MΩ
Input ranges (rated values), resistors
● 0 to 150 ohms	Yes 10 MΩ
— Input resistance (0 to 150 ohms)	Yes 10 MΩ

● 0 to 300 ohms	Yes 10 MΩ
— Input resistance (0 to 300 ohms)	Yes
● 0 to 600 ohms	10 MΩ
— Input resistance (0 to 600 ohms)
Cable length
● shielded, max.	100 m; to the sensor
Analog value generation for the inputs
Measurement principle	Sigma Delta
Integration and conversion time/resolution per channel
● Resolution with overrange (bit including sign), max.	16 bit; Temperature 0.1 °C / 0.1 °F
● Interference voltage suppression for interference frequency f1 in Hz	85 dB at 50 / 60 / 400 Hz
Displayable conversion value range
● bipolar signals	-27 648 to +27 648
Errors/accuracies
Repeat accuracy in steady state at 25 °C (relative to input range), (+/-)	0.05%
Operational error limit in overall temperature range
● Voltage, relative to input range, (+/-)	0.10%
Interference voltage suppression for f = n x (f1 +/- 1 %), f1 = interference frequency
● common mode voltage / with interference voltage suppression / maximum	0 V
● Common mode interference, min.
	120 dB; At 120 V AC
Interrupts/diagnostics/status information
Diagnostics indication LED
● external fault EXTF (red)	Yes
● Group error SF (red)	Yes
Potential separation
Potential separation analog inputs
● Potential separation analog inputs	Yes
Permissible potential difference
Between the inputs and MANA (UCM)	500 V AC
between M internally and the inputs	500 V AC
connection method
Plug-in I/O terminals	No
Dimensions
Width	71.2 mm
Height	80 mm
Depth	62 mm
Weights
Weight, approx.	210 g