OPTO 22 - SNAP-AITM-8 _ SNAP 8-Ch Type B, C, D, E, G, J, K, N, R, S, or T Thermocouple or +/-75, +/-50, or +/-25 mV Analog Input Module

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$734.00

Brand: OPTO 22
SKU:: SNAP-AITM-8
UPC:

OPTO 22 - SNAP-AITM-8 _ SNAP 8-Ch Type B, C, D, E, G, J, K, N, R, S, or T Thermocouple or +/-75, +/-50, or +/-25 mV Analog Input Module

OPTO 22 - SNAP-AITM-8 _ SNAP 8-Ch Type B, C, D, E, G, J,

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OPTO 22 - SNAP-AITM-8 _ SNAP 8-Ch Type B, C, D, E, G, J, K, N, R, S, or T Thermocouple or +/-75, +/-50, or +/-25 mV Analog Input Module

Quick Specs:

SNAP 8-Ch Type B
C
D
E
G
J
K
N
R
S
or T Thermocouple or +/-75
+/-50
or +/-25 mV Analog Input Module

The SNAP-AITM-8 provides eight channels of thermocouple or millivolt input. Each channel can be individually configured to accept a type B, C, D, E, G, J, K, N, R, S, or T thermocouple or a -75 to + 75 mV, -50 to +50 mV, or -25 to +25 mV input.

Part of the SNAP PAC System, the module mounts on a SNAP PAC rack with a SNAP PAC brain or rack-mounted controller. Analog, digital, and serial I/O modules can all be on the same rack. Such an I/O unit is also well suited for PC-based control or for use as intelligent remote I/O for an Allen-Bradley Logix PLC system, such as ControlLogix, MicroLogix, or CompactLogix.

Used with an Opto 22 SNAP PAC controller, the SNAP-AITM-8 module is ideal for customers with applications requiring high-resolution temperature monitoring, data acquisition, and control of autoclaves, industrial ovens, pasteurizers, heat exchangers, and other equipment that requires precise thermal regulation. The high density of points on the module reduces panel space for applications using a high number of thermocouple inputs, such as semiconductor, food, petrochemical, and pharmaceutical processing.

Compatibility: The SNAP-AITM-8 works with SNAP PAC brains and R-series controllers only. Like all SNAP analog input modules, the SNAP-AITM-8 provides transformer isolation to reduce noise and installation problems, and 4000 volts optical isolation (4000 volts of transient protection for 1 ms) from other modules on the same mounting rack.

The SNAP-AITM-8 is UL and CE approved. If you need Factory Mutual approval, see the SNAP-AITM-8-FM instead.

NOTE: This module does not provide channel-to-channel isolation. If you need an isolated module, see the 4-channel SNAP-AITM-4i.
Build your system in the SNAP I/O Configurator.

Specifications:

Input Range	From -75 mV to +75 mV From -50 mV to +50 mV From -25 mV to +25 mV
Over-Range Limits	From -82.5 to +82.5 mV (+/-75 mV range) From -55 to +55 mV (+/-50 mV range) From -27.5 to +27.5 mV (+/-25 mV range)
Resolution	3 microvolts from -75 mV to +75 mV 2 microvolts from -50 mV to +50 mV 1 microvolts from -25 mV to +25 mV
Cold Junction Temperature Compensation	Automatic when used with SNAP I/O processors
Input Filtering	-3 dB @ 5 Hz
Data Freshness (Max)	2.25 s
DC Common Mode Rejection	>-120 dB
AC Common Mode Rejection	>-120 dB @ 60 Hz
Maximum Survivable Input	±15 volts
Max Operating Common Mode Voltage	250 V
Accuracy at Full Scale	0.1% (75 microvolts) @ 75 mV 0.1% (50 microvolts) @ 50 mV 0.2% (50 microvolts) @ 25 mV
Drift: Gain Temperature Coefficient	5 microvolts / °C
Drift: Offset Temperature Coefficient	2 microvolts / °C
Thermocouple Accuracy [°C]	E, J, K	B, R, S	C, D, G	T, N
From factory	±2.0	±5	±4	±3
After user gain and offset commands	±0.5	±3	±2	±2
Isolation	1500 V
Power Requirements	5 VDC (±0.15) @ 200 mA
Input Resistance	100 Megohms (each channel)
Ambient Temperature: Operating Storage	-20 °C to 70 °C -40 °C to 85 °C
Humidity	5-95%, non-condensing
Torque, hold-down screws	4 in-lb (0.45 N-m)
Torque, connector screws	3 in-lb (0.34 N-m)
Agency Approvals	SNAP-AITM-8: UL, CE, RoHS, DFARS; UKCA SNAP-AITM-8-FM: FM, CE, RoHS, DFARS; UKCA
Warranty	Lifetime

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