SNAP-AITM2-I OPTO 22, SNAP-AITM2-I Datasheet - Page 2

• Manufacturer Part Number: SNAP-AITM2-I
• Description: I/O Module
• Manufacturer: OPTO 22
• Type: Inputr

Specifications of SNAP-AITM2-I

• Leaded Process Compatible: No
• Peak Reflow Compatible (260 C): No
• I/o Module Type: Thermocouple Analog Input
• Signal Input Type: Thermocouple
• No. Of Analog Inputs: 2
• Brand/series: SNAP Series
• Connection To Host: Backplane
• Current, Input: 200 mA
• Dimensions: 82.55mmL×18.29mmW×73.15mmH
• Input: -25 to +25/-50 to +50 mVDC
• Input Type: Analog
• Input, Range: -25 to +25/-50 to +50 mVDC
• Mounting Type: PCB
• Number Of Channels: 2
• Number Of Inputs: 2 Channels
• Primary Type: Control
• Resistance, Input: 100 Megohms
• Special Features: Transformer Isolation, Optical Isolation
• Standards: UL, CSA, CE Certified
• Temperature, Operating: 0 to +70 °C
• Time, Response: 66 ms
• Voltage, Isolation: 4000/1500 V
• Voltage, Supply: 5 VDC
• For Use With: SNAP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

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8
Isolated Thermocouple/
Millivolt Input Module
B
C, D, G
N
R, S
T
Type
IMPORTANT: The mounting rack connector has 24 pins; the module
connector has 20 pins. The extra pins on the mounting rack connector
prevent misalignment of the module during installation.
RED
RED
RED
RED
RED
-
GRAY
WHITE
ORANGE
BLACK
BLUE
+
+42° C to +1,820° C
0° C to +2,320° C
-270° C to +1,300°
C
-50° C to +1,768° C
-270° C to +400°
Range
SNAP Isolated Analog Input Modules
Description
The SNAP-AITM2-i module provides an input range of ±50 mV, ±25 mV,
or Type B, C, D, G, N, T, R, or S thermocouple.
The two channels on the module are isolated from each other. Since
these channels do not share any common connections, grounded
sensors and field devices may be used with them.
Specifications
SNAP-AITM2-i
Input Range
Resolution
Cold Junction Temperature
Compensation
Input Filtering
Input Response Time
(% of span/delta V/delta time)
DC Common Mode Rejection
AC Common Mode Rejection
Maximum Survivable Input
Maximum Operating
Common Mode Voltage
Accuracy
Drift: Gain Temperature
Coefficient
Drift: Offset Temperature
Coefficient
Thermocouple Accuracy [°C]
commands
Isolation: Optical
Isolation: Transformer
Isolation: Channel to Channel
Power Requirements
Input Resistance
Ambient Temperature:
Part Number
From factory}
After user gain and offset
Operating
Storage
Isolated two-channel analog type B, C, D, G, N, T,
R, or S thermocouple or -50 mV to +50 mVDC
input or -25 mV to +25 mVDC input
From -50 mV to +50 mVDC
From -25 mV to +25 mVDC
2 µV from -50 mV to +50 mV
1 µV from -25 mV to +25 mV
Automatic when used with SNAP
brains
-3 dB @ 2.4 Hz
63.2%/31.5 mV/66 ms
>-120 dB
>-120 dB @ 60 Hz
±15 volts
250 V
0.1% (50 µV) @ 50 mV (full scale)
0.2% (50 µV) @ 25 mV (full scale)
5 µV / °C
2 µV / °C
B, R, S
4000 V
1500 V
250 V continuous
(1500 V transient)
5 VDC (±0.15 ) @ 200 mA
100 megohms (each channel)
0 °C to 70 °C
-25 °C to 85 °C
±5
±3
Description
C, D, G
±4
±2
T, N
±3
±2