Technical Specifications
Number of inputs is 16 channels. Input type is positive/negative logic compatible. Nominal input voltage is 125 VDC. Response time is 0.5 ms maximum. Filter options are 0 ms, 1 ms, or 7 ms selectable. Isolation is 250 VAC continuous and 1500 VAC for one minute. Channel isolation is individual optical isolation. Backplane current is 80 mA maximum.
Functional Features
16 individually isolated inputs prevent cross-channel interference. Configurable input filters compensate for noise spikes or switch bounce. Individual green LEDs indicate each input on/off status. Green OK LED confirms backplane power and communication.
Application Scenarios
High-voltage DC signal monitoring, industrial machinery status feedback, power distribution panels, safety and interlock signal acquisition, and remote I/O in harsh environments.
Performance Parameters
0.5 ms response time supports fast digital signal detection. 1500 VAC isolation withstands high-voltage transients. Input impedance of 74 kΩ minimizes loading on field devices.
Material Composition
Industrial housing with optical isolators and high-voltage rated input resistors.
Structural Characteristics
Single-slot module with isolated channel architecture. LED indicators for each input provide immediate visual status.
Working Principle
Input signals are applied through current-limiting resistors to optical isolators. The isolators convert high-voltage DC field signals to low-voltage logic signals compatible with the VersaMax backplane.
Installation Requirements
Mount on VersaMax carrier. Wire field devices to isolated input terminals. No external field power is required.
Usage Precautions
Verify input voltage does not exceed 150 VDC. Select appropriate filter setting for input signal characteristics. Derating may be required based on ambient temperature, external voltage, and module orientation.
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