Model Explanation

B883 = High-performance intelligent counting module series; 002 = Dual-channel with maximum 100kHz orthogonal counting, 6 channels 24VDC open-collector DI, 3 channels source-type transistor DO, 24V level encoder special specification. 001 is the basic model with 50kHz frequency, 002 is the high-frequency enhanced model. Technical Specifications

Counting channels: 2 independent reversible add-subtract counters, supporting single-phase pulse, AB/Z orthogonal three-phase signals, and fourfold frequency operation

Pulse specifications: Input frequency 0 - 100kHz, compatible with PNP/NPN 24VDC push-pull encoder signals, minimum pulse width ≥ 2.5μs

Auxiliary points: 6 points 24VDC open-collector digital inputs (hardware reset, gating, start-stop latch); 3 points 24VDC source-type transistor outputs

Load parameters: Single channel DO rated 0.5A, external on-site 24VDC power supply, group built-in fuse protection

Backplane power consumption: 5VDC@720mA, standard single-slot chassis footprint

Dimensions: 51 (W) × 203 (H) × 280 (D) mm, net weight 0.62kg

Environmental indicators: Operating 0 - 60℃, storage - 40 - 85℃, relative humidity < 80% RH without condensation, IP20 indoor protection

Interface and matching base

General terminal block base: AS-8535-000, interchangeable with B875 analog quantity, B882 full series module bases.

Core functions

Two channels of counters are independently software-configurable, pulse counting, speed conversion, fixed-length cutting, position closed-loop positioning; pre-designed values automatically trigger 3 DO point outputs; 6 DI realize counter hardware reset, enable start-stop, external latch; dual-channel COUNT operation indicator lights on the panel, channel fault indicator lights, no hardware dials, all parameters PLC software configuration. Applicable scenarios

High-speed drawing machine spindle positioning, high-speed printing machine paper feeding measurement, large belt scale speed measurement, steel plant continuous rolling unit encoder collection, precise cutting equipment length control.

Operation and Maintenance

Insert directly into the standard I/O slots of the Modicon 800 rack; for high-frequency counting anomalies, prioritize troubleshooting the encoder shielding grounding and cable impedance; DO drives for solenoid valves must be equipped with rectifier diodes; the same rack can accommodate B875 analog cards and B882 discrete/counter cards.