Reliance 45C-364(45C364)
Description
Product Description
Model Number Interpretation
45C: Prefix for Reliance AutoMate 45C-series control components.
364: Designates 8-channel ±10VDC analog output module.
45C-364 = 45C364: Hyphen is standard industrial part number formatting; both are identical.
No standard lettered suffix; revisions tracked via serial numbers.
Technical Specifications
Type: Analog Output Module (Bipolar Voltage)
Channels: 8 independent, isolated outputs
Output Signal: ±10VDC (bipolar)
Resolution: 12-bit
Isolation: Electrical isolation between analog field side and PLC logic side
Terminals: 20-pin removable screw terminal block
Backplane Power: 5VDC from rack backplane
Analog Power: Internal or external selectable
Slot Occupation: 1 standard 45C-series slot
Weight: ~0.95 kg (2.10 lbs)
Operating Temperature: 0°C to +55°C
Compatibility: AutoMate 20/20E, AutoMax PLC, 45C-series I/O racks
Interface & Configuration
Installation: Single-slot mounting in 45C rack; power off before insertion/removal.
Output Configuration: Fixed ±10VDC (no current option); DIP switches for address/channel enable.
Calibration: Zero and span potentiometers per channel for on-site trimming.
Status LEDs: Power, Run, and Fault indicators on front panel.
Core Functions
D/A Conversion: Converts PLC digital values to ±10VDC bipolar analog signals for precise control.
8-Channel Independent Control: Simultaneously drives 8 bipolar devices without crosstalk.
Noise Isolation: Protects PLC from field-side electrical noise and surges.
High Precision: 12-bit resolution with trim pots for accuracy optimization.
Application Scenarios
Process Control: Bipolar valve positioning, actuator control, and servo drive interfaces.
Test & Measurement: Precision analog output for calibration and signal simulation.
Legacy System Maintenance: Direct replacement for 45C-364 in existing AutoMate/AutoMax installations.
Usage & Maintenance
Installation: Power off rack before inserting module; secure screws for good backplane contact.
Wiring: Use shielded twisted-pair cables for analog signals; single-end ground shield to reduce noise.
Configuration: Set DIP switches and calibrate zero/span before powering on.
Maintenance: Inspect LEDs and terminal tightness periodically; keep module clean.
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