Designing Power and Communication Redundancy
Design control-system redundancy by mapping shared dependencies, separating power and network paths, defining failover behavior, exposing degraded operation, and proof-testing every tolerated fault.
Manufacturer: Honeywell
Product No.: 2MLF-AC8A
Country of origin:United States
Product Type: Analog Input Modules
Payment: T/T, Western Union
Weight: 2000g
Shipping port: Xiamen
Warranty: 12 months
Designed for direct integration into industrial control architectures, the Honeywell 2MLF-AC8A functions as a high-density, 8-channel analog current input interface. This module translates external analog process signals into precise digital values for the host controller, offering rapid processing with a conversion speed of 250 microseconds per channel. Built to maintain signal fidelity in electrically noisy environments, the module incorporates robust photo-coupler isolation between the field input terminals and the internal PLC backplane logic.
| Parameter | Value / Specification |
|---|---|
| Manufacturer | Honeywell |
| Model Number | 2MLF-AC8A |
| Module Type | Analog Current Input Module |
| Input Channels | 8 Channels / 1 Module |
| Max Conversion Speed | 250 us / channel |
| Accuracy (at 25 degC) | +/-0.2% or less (within 25 degC +/-5 degC) |
| Accuracy (Full Temp Range) | +/-0.3% or less (0 to 55 degC) |
| Absolute Maximum Input | +/-30 mA |
| Isolation Method | Photo-coupler isolation (Terminals to PLC power); No channel-to-channel isolation |
| Connection Method | 18-point terminal block |
| I/O Address Allocation | Fixed: 64 points / Variable: 16 points |
| Internal Current Consumption | 420 mA @ 5 VDC |
| Net Weight | 0.14 kg |
| Shipping Weight | 2.0 kg (packaged) |
CRITICAL WARNING
Ensure all primary AC and secondary DC power sources feed-in to the system rack are completely de-energized before mounting, unmounting, or wiring the module. Failure to isolate power can result in terminal damage, logic errors, or localized electrical shock hazards.
Align the module's lower locking tab with the designated slot on the PLC backplane rack.
Carefully pivot the module upward, pressing it firmly into the backplane connector until you hear the retention clip click securely into place.
Connect analog field wiring to the 18-point terminal assembly, keeping low-voltage current signals physically routed away from high-voltage motor control lines to prevent induced electromagnetic noise.
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Returns & Warranty
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| Country of origin |
United States
|