Mitsubishi A1SJ51T64 — The A1SJ51T64 by Mitsubishi is a precision counter module part of the A Series

Part numberA1SJ51T64
BrandMitsubishi
CategoryCounter Module
DescriptionThe A1SJ51T64 by Mitsubishi is a precision counter module part of the A Series
ManufacturerMitsubishi
Product LineA Series
Part NumberA1SJ51T64
Weight1.31 lbs (0.60 kg)
Number of Counters4
Input TypePulse Input (Digital)
Input FrequencyUp to 1 MHz
Counter Resolution16-bit
Counter ModeUp/Down, Single, and Quadrature
Max Count Value65,535 (16-bit)
Response TimeTypically 0.1 ms or less
Input Voltage Range24V DC
IsolationOptical Isolation
MountingDIN Rail Mountable
Operating Temperature Range0°C to 55°C
Storage Temperature Range-25°C to 70°C
LED IndicatorsStatus LEDs for each counter

The A1SJ51T64 by Mitsubishi is a precision counter module part of the A Series. Designed to function with digital pulse inputs, this unit can handle input frequencies of up to 1 MHz. The counter supports a maximum count value of 65,535 and provides an impressive response time of 0.1 ms or less, making it suitable for high-speed operations.

Compatibility data for this part number is being verified. Send an RFQ with your equipment model and serial — our suppliers confirm fitment before quoting.

Data compiled from 1 verified source. Last reviewed 2026-08-16.

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