Spectrum Controls Micro850 User Manual page 10

16-channel analog input module
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1-4
Chapter 1, Module Overview
Input Description
±10 V
Repeatability (at 25 ºC)
0-5 V, 0-10 V, ±10 V 2085sc-
IF16V
0-20 mA, 4-20 mA
2085sc-IF16C
Filters
CMRR
NMRR
Crosstalk
Input Bias Currents and Impedance
Open Wire Detection Current
(Voltage range only)
Current input impedance (2085sc-
IF16C)
Voltage input impedance (2085sc-
IF16V)
Input protection:
(2085sc-IF16C)
(2085sc-IF16V)
Peak Inrush Current
Isolation
Input to backplane isolation
Input to Chassis GND isolation
Power Requirements
Bus +5 V (4.75 V to 5.4 V)
Bus +24 V
(19.9 V to 26.4 V)
Power Dissipation (within
module)
1
These filters do not reject 50/60 Hz. Repeatability for these filters is strongly dependent on how much 50/60Hz
noise is in the system.
User's Manual Pub. 0300306-01 Rev. A
±10 mV
4 Hz filter
17 Hz filter
±1.0 mV
±2 mV
±2 µA
±3 µA
84 dB minimum at 50 and 60 Hz for 4 Hz and 17 Hz filters
4 Hz filter
72 dB minimum at 50 and 60 Hz
17 Hz filter
62 dB minimum at 50 and 60 Hz
-70 dB maximum
Approximately 100 µA during open wire checks for a duration
of one channel scan time, with a 470 Hz filter.
249.5 Ω ±0.5%
15 MΩ (except during open wire checks).
Current: 32 mA continuous (approximately 8 V)
Voltage: ±28 VDC continuous. (Note: maximum voltage
between any two pins must be limited to 28 VDC as well.)
Less than 150 mA for +5 V.
Less than 400 mA for +24 V.
50 VAC working Reinforced isolation tested at 2 kV DC for 1
minute.
50 VAC working Reinforced isolation tested at 2 kV DC for 1
minute.
100 mA max
20 mA max
1.0 W max, for 16V.
2.8 W max for 16C, with all inputs at 21 mA.
Value
±20 mV
60 and 470 Hz filters
±3 mV
±10 µA
1

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This manual is also suitable for:

2085sc-if16c2085sc-if16v

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