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ioPAC 8500 Hardware
85M Module Hardware Introduction
4-10
Specifications
The following are the 85M-38XX-T module’s product specifications.
85M-3800-T: 8 analog inputs, 4 to 20 mA Specifications
Inputs and Outputs
Analog Inputs: 8 channels
Isolation: 3K VDC or 2K Vrms
Analog Inputs
Type: Differential
Resolution: 16 bits
I/O Mode: 4 to 20 mA (wire off)
Accuracy:
±0.1% FSR @ 25°C
±0.3% FSR @ -40 and 75°C
Sampling Rate:
• All channels: 100 samples/sec
• Per channel: 12.5 samples/sec
Input Impedance: 125 ohms (min.)
Physical Characteristics
Wiring: I/O cable, max. 16 AWG
Connector: Spring type terminal block
Environmental Limits
Operating Temperature: -40 to 75°C (-40 to 176°F)
Power Requirements
Input Current: 318.2 mA @ 3.3 VDC
MTBF
(mean time between failure)
Time: 1,512,906 hrs.
Standard: Telcordia SR332
85M-3801-T: 8 analog inputs, 4 to 20 mA, 40 kHz Specifications
Inputs and Outputs
Analog Inputs: 8 channels
Isolation: 3K VDC or 2K Vrms
Analog Inputs
Type: Differential
Resolution: 16 bits
I/O Mode: 4 to 20 mA (wire off)
Historical Data Buffering: Up to 6 sec per channel
Accuracy:
±0.1% FSR @ 25°C
±0.3% FSR @ -40 and 75°C
Sampling Rate:
• All channels: 40k samples/sec
• Per channel: 5k samples/sec
Input Impedance: 125 ohms (min.)
Physical Characteristics
Wiring: I/O cable, max. 16 AWG
Connector: Spring type terminal block
Environmental Limits
Operating Temperature: -40 to 75°C (-40 to 176°F)
Power Requirements
Input Current: 378.8 mA @ 3.3 VDC