EM AR02 Thermocouple module

2-channel RTD module, resolution 16 bits

Model no

EM AR02

Article No

E 288-3AR02-0AA1

Description

2-channel RTD module, resolution 16 bits

Dimensions WxHxD（mm）

47×100×81mm

Perfectly compatible with S7 200 Smart PLC

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Product parameters Wiring diagram Relevant information

Specification parameters	Model no	EM AR02
	Article No	E 288-3AR02-0AA1
	Description	2-channel RTD module, resolution 16 bits

Conventional norm	Dimensions WxHxD（mm）	47×100×81mm
	Power Consumption	1.5W
	Current Consumption(SM bus)	120mA
	Current Consumption(24V DC)	40mA

Analog Input	Number of Inputs	2
	Range Rated Range (Data word） Overshoot/Undershoot Range (Data word） Overflow/underflow (Data word）	Please refer to the thermocouple selection table
	Measuring Principle	Sigma-Delta
	Resolution
	.Temperature	0.1°C / 0.1°F
	.Voltage	15 bits+ symbol bits
	Max. Voltage Resistance	±35V
	Isolation
	.Field side and logic side	500V AC
	.Field side and 24V DC side	500V AC
	.24V DC side and Logic side	500V AC
	Channel to channel Isolation	-
	Common mode Rejection	>120dB
	Repeatability	±0.05％FS
	Max Power Consumption of the Sensor	0.5mW
	Cable Loop Resistance (Max）	20Ω, for Cu10, the maximum is 2.7Ω
	Diagnosis	Overflow/ underflow, circuit break, 24V DC low voltage
	Cable Length	100m, shielded twisted pair
	Rejection Frequency Selection	400Hz(2.5ms) 60Hz(16.6ms) 50Hz(20ms) 10Hz(100ms)

Remark: When selecting 400Hz filter, and maintaining the resolution and accuracy of the module, the integration time should be 10ms. Meanwhile this selection will also suppress noise at frequency of 100Hz and 200Hz.