Spectrum Controls 1746sc-INI4i, Руководство пользователя

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1-2 Chapter 1: Module Overview
User’s Manual Pub. 0300128-04 Rev. A
consuming task.
These modules incorporate proprietary Allen-Bradley technology, so they
operate and perform like the latest high-performance Allen-Bradley products for
full compatibility. Four selectable filter frequencies are provided for signal/noise
optimization. For even greater convenience, they are fully configured through
software (no DIP switches), can alert the processor to a variety of errors through
status bits, and can scale input signals to user-defined ranges without any ladder
programming.
Section 1.2
Detailed Specifications
Table 1-1. Electrical Specifications-Module
Description Specification
Backplane Current Consumption
(typical)
1746sc-INI4i 440 mA at 5 VDC
0 mA at 24 VDC
1746sc-INI4vi 550 mA at 5 VDC
0 mA at 24 VDC
Backplane Power Consumption
(typical)
2.75 W
Number of Channels 4 (differential, individually isolated)
I/O Chassis Location Any 1746 I/O module slot except slot 0
A/D Conversion Method Sigma-Delta
Input Filtering Programmable notch filters
Normal Mode Rejection
(between _ and – inputs)
96 dB at 50 Hz
98 dB at 60 Hz
Common Mode Rejection
(between inputs and chassis
ground)
99 dB at 1 kHz, 25 degrees C
Calibration Factory calibrated
Auto-calibrated every 10 seconds (when
enabled)
Opto-Electrical Isolation
(10 seconds)
750 VDC channel-to-channel
750 VDC field wiring-to-backplane
Module ID Code
1746sc-INI4i 3522
1746sc-INI4vi 3520
Thermal Dissipation 3.25 W maximum