TOSOKU HM115 4-Axis Manual Pulser Generator: Complete Guide for CNC Machine Control

16. Februar 2026

Historical parts record: Photos and notes below belong to this record. Confirm the offered unit’s full model, condition and available test evidence before ordering.

What this delivery is: a TOSOKU HM115 four-axis manual pulse generator — the CNC handwheel Toshiba-market operators know as the handy controller — brand new in its box with a one-year warranty per the record, 1 kg, received stock uploaded 2025-11-19. The back plate names it plainly: HANDY CONTROLLER / TYPE HM115. This is the genuine TOSOKU layout, not a clone of it: red RESET mushroom on its yellow plate, axis selector, multiply selector, the 100-detent handwheel with the Tosoku wordmark, and the side enable slide, all on the black rubberised body with the carry handle.

Reading the controller

The face runs top to bottom: the RESET mushroom (emergency reset for the host control, arrows printed around the cap), then the brushed-aluminium panel with the two selectors — axis choose across OFF / X / Y / Z / 4 and magnification across ×1 / ×10 / ×100 — with a small centre window between them, and the handwheel below, detented at 100 clicks per revolution with the Tosoku logo on the cap. A slide switch on the left flank is the enable: the wheel outputs nothing until it is held or latched, which is the safety interlock that keeps a parked handwheel from jogging an axis. The coiled cable tails into a stripped, labelled harness — each lead tagged L+ / L− (the pulse pair), SW (enable switch), X1 / X10 / X100 (multiplication), X / Y / Z / 4 (axis select), COM2 and the remaining commons — so the controller wires straight to a CNC I/O board without reverse-engineering the colour code. The body is the standard hanging style: carry handle on top, rubber feet for bench use, the whole unit about 1 kg.

Item	Detail
Product	TOSOKU HM115 handy controller, 4-axis manual pulse generator
Identification	Rear plate: HANDY CONTROLLER / TYPE HM115; Tosoku wordmark on the handwheel cap
Controls	RESET mushroom (yellow plate); axis selector OFF/X/Y/Z/4; multiply ×1/×10/×100; 100-detent handwheel; side enable slide switch
Wiring	Coiled cable to stripped, labelled leads: L+/L− pulses, SW enable, X1/X10/X100 multiply, X/Y/Z/4 axis, COM2 and commons
Construction	Black body, carry handle, rubber feet; ~1 kg
Condition / quantity / weight	New in box, warranty 1 year; 1 pc; 1 kg; uploaded 2025-11-19

Wiring notes

The labelled tails make this a board-level integration: pulse pair to the MPG inputs (L+ source, L− return), the multiplication and axis lines to the multiplexed inputs of the control (they read as a binary/gray combination on boards expecting one), SW to the enable input, commons to COM. If the host expects a 5 V pull-up, check the L+ polarity before first spin — handwheels are the one CNC input where a reversed pulse pair does not fault, it just runs the axis the wrong way. The 100-detent wheel gives one pulse per detent at ×1, so a full turn is one millimetre on a metric machine — the ×10 and ×100 positions are for rapid positioning, and the RESET mushroom lifts any alarm the control raised while the wheel was moving. For a compatible generic and spare leads, the storefront carries the HC115 four-axis MPG and the Tosoku AF-25W spiral cable.

Photos

HM115 face-on — Face-on: RESET mushroom on its yellow plate, the brushed panel with axis OFF/X/Y/Z/4 and multiply ×1/×10/×100 selectors, and the 100-detent Tosoku handwheel below — carry handle on top, coiled cable from the base.

Side view — From the side: the handwheel's detent ring, the RESET cap proud of the case, the rubber feet, and the coiled cable with its strain relief — the profile that hangs on a hook between jobs.

Inspection video.

Labelled harness end — The harness end: stripped and tinned leads, each with its paper tag — Y, 4, COM2, L−, L+, SW, X1, X10, X100 — the wiring map made physical.

Cable and shield — The cable where it splits from the jacket: shield braid visible under the sheath, the tagged multi-core fan below — ready for a terminal strip, not a plug.

Handwheel detents — The handwheel in close: Tosoku wordmark on the cap, the detent ring numbered 10 through 90, centre spindle — 100 clicks to the turn.

Face detail without power — The selectors at rest: axis at OFF, multiply mid-scale, the centre window between them — the state the unit ships in.

Enable switch side — The left flank: the enable slide switch in its recess, the RESET mushroom and yellow plate above, carry handle behind — the safety side of the layout.

Unit in box — As unpacked: the controller in its carton with the coiled cable dressed beside it, harness tags (4, COM2, Y, NA, SW) showing at the box mouth.

Rear plate HANDY CONTROLLER — The rear plate: HANDY CONTROLLER / TYPE HM115 on the maker's label, six case screws around it, the coiled cable gland below — the model called out where a technician looks first.

Tagged leads close — The tagged leads again from the other side: COM2, X, Z and SW tags readable — every function on the face has its wire labelled at the far end.

Full unit with cable — The whole assembly laid out: controller, the coiled cable at length, and the labelled fan at the far end — everything that ships in the box, nothing extra, nothing missing.

RESET mushroom close — The RESET mushroom in close: arrows and RESET print around the cap on its yellow plate, the carry handle moulded behind — the detail that dates this as the classic HM-series layout.

Related products on KOEED

Related listings: the HC115 4-axis MPG (TOSOKU-compatible) and the Tosoku AF-25W 1.5 m spiral MPG cable.

Need the HM115 for your control, a compatible HC115, or a pinout check against your I/O board? Send the control model — we confirm fitment with photos.

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