Stepper cables

Diagram

Channel stepper cable S (x4) and chute stepper cable CH. S
follows the stepper reference drawing (2026-08-08),
which is the source of truth for the channel cable.
%3 BOARD_S BOARD_S JST PH 4-pin (PHR-4) 2.0mm pitch, female 4-pin A2 1 A1 2 B1 3 B2 4 Additional components 4 x #7 (Terminal - SPH-002T-P0.5S) basically board v1.3 J27/J31/J35/J39. One cable per jack, x4 identical. S S 4 wire bundle 4x 24 AWG 1.0 m   BOARD_S:1:A2     BU     MOTOR_S:1:A2 BOARD_S:2:A1     GN     MOTOR_S:4:A1 BOARD_S:3:B1     RD     MOTOR_S:3:B1 BOARD_S:4:B2     BK     MOTOR_S:6:B2   Additional components 1 x #6 (PVC Sleeving) S1-S4, qty 4. NOT straight-through, see crossover. BOARD_S:e--S:w BOARD_S:e--S:w BOARD_S:e--S:w BOARD_S:e--S:w MOTOR_S MOTOR_S JST PH 6-pin (PHR-6) 2.0mm pitch, female 6-pin 1 A2 2 C1 3 B1 4 A1 5 C2 6 B2 Additional components 4 x #7 (Terminal - SPH-002T-P0.5S) The NEMA 17's own 6-pin PH socket. Pins 2 and 5 (C1, C2) are unpopulated. BOARD_CH BOARD_CH JST PH 4-pin (PHR-4) female 4-pin A2 1 A1 2 B1 3 B2 4 basically board v1.3 J23, or a 4-way Dupont on J24 beside it: the same four nets. CH CH 4x 24 AWG 300.0 mm   BOARD_CH:1:A2     1:BK     CH_LEADS:1:A2 BOARD_CH:2:A1     2:GN     CH_LEADS:2:A1 BOARD_CH:3:B1     3:RD     CH_LEADS:3:B1 BOARD_CH:4:B2     4:BU     CH_LEADS:4:B2   qty 1. Straight-through. Length is the tail only, without the motor's own 300 to 500 mm leads: about 600 mm overall. BOARD_CH:e--CH:w BOARD_CH:e--CH:w BOARD_CH:e--CH:w BOARD_CH:e--CH:w CH_LEADS CH_LEADS Bare tinned leads, labeled 1-4 4-pin 1 A2 2 A1 3 B1 4 B2 Splice to the chute stepper flying leads. Find the coil pairs with a multimeter first. S:e--MOTOR_S:w S:e--MOTOR_S:w S:e--MOTOR_S:w S:e--MOTOR_S:w CH:e--CH_LEADS:w CH:e--CH_LEADS:w CH:e--CH_LEADS:w CH:e--CH_LEADS:w

Bill of Materials

Id Description Qty Unit Designators Manufacturer MPN
1 Cable, 4 x 24 AWG 300 mm CH
2 Connector, Bare tinned leads, labeled 1-4, 4 pins 1 CH_LEADS
3 Connector, JST PH 4-pin (PHR-4), 2.0mm pitch, female, 4 pins 1 BOARD_S
4 Connector, JST PH 4-pin (PHR-4), female, 4 pins 1 BOARD_CH
5 Connector, JST PH 6-pin (PHR-6), 2.0mm pitch, female, 6 pins 1 MOTOR_S
6 PVC Sleeving 1 S
7 Terminal - SPH-002T-P0.5S 8 BOARD_S, MOTOR_S JST SPH-002T-P0.5S
8 Wire, 4 wire bundle, 24 AWG, BK 1 m S
9 Wire, 4 wire bundle, 24 AWG, BU 1 m S
10 Wire, 4 wire bundle, 24 AWG, GN 1 m S
11 Wire, 4 wire bundle, 24 AWG, RD 1 m S