2026-02-21 10:01:45 +00:00
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# Arburg ↔ Thermoplay Hot Runner Wiring
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2026-02-21 10:05:39 +00:00
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2026-02-21 10:01:45 +00:00
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> Proportional regulator / Hot runner interface wiring documentation
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> Date: 11.11.2023
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---
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## Overview
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This document describes the wiring between the **Arburg machine connectors** and the **Thermoplay hot runner** connector.
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⚠️ **Important:** Heater zone pinouts and J-type thermocouple (TC) pinouts use **different pin assignments** on each side.
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---
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## Thermoplay Connector Pinout (M / F)
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From the Thermoplay connector label (Image 2):
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| Function | M-side Pin (+) | F-side Pin (-) |
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|----------|---------------|----------------|
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| ZONE 1 | 1 | 13 |
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| ZONE 2 | 2 | 14 |
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| ZONE 3 | 3 | 15 |
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| ZONE 4 | 4 | 16 |
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| ZONE 5 | 5 | 17 |
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| ZONE 6 | 6 | 18 |
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| TC 1 | 7 (+) | 19 (−) |
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| TC 2 | 8 (+) | 20 (−) |
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| TC 3 | 9 (+) | 21 (−) |
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| TC 4 | 10 (+) | 22 (−) |
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| TC 5 | 11 (+) | 23 (−) |
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| TC 6 | 12 (+) | 24 (−) |
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---
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## Arburg Machine Connector Pinout
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### Heater Zones (connectors -4X4 / -4X2)
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| Arburg Zone | Pin (+) | Pin (−) |
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|-------------|---------|---------|
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| Heater 1 | 1 | 2 |
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| Heater 2 | 3 | 4 |
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| Heater 3 | 5 | 6 |
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| Heater 4 | 7 | 8 |
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| Heater 5 | 9 | 10 |
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| Heater 6 | 11 | 12 |
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> Each heater zone uses a **pair of adjacent pins** (odd = +, even = −).
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---
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### Thermocouple Inputs — J-Type (connectors -4X3 / -4X1)
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| Arburg TC | Pin (+) | Pin (−) |
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|-----------|---------|---------|
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| TC 1 | 13 | 14 |
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| TC 2 | 15 | 16 |
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| TC 3 | 17 | 18 |
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| TC 4 | 19 | 20 |
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| TC 5 | 21 | 22 |
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| TC 6 | 23 | 24 |
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> TC signals are **J-type thermocouples**. Polarity must be respected — reversed polarity will cause incorrect temperature readings.
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---
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## Cross-Wiring Table: Arburg → Thermoplay
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| Signal | Arburg Pin | Thermoplay Pin |
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|----------|-----------|----------------|
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| Zone 1 + | 1 | 1 |
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| Zone 1 − | 2 | 13 |
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| Zone 2 + | 3 | 2 |
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| Zone 2 − | 4 | 14 |
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| Zone 3 + | 5 | 3 |
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| Zone 3 − | 6 | 15 |
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| Zone 4 + | 7 | 4 |
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| Zone 4 − | 8 | 16 |
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| Zone 5 + | 9 | 5 |
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| Zone 5 − | 10 | 17 |
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| Zone 6 + | 11 | 6 |
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| Zone 6 − | 12 | 18 |
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| TC 1 + | 13 | 7 |
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| TC 1 − | 14 | 19 |
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| TC 2 + | 15 | 8 |
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| TC 2 − | 16 | 20 |
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| TC 3 + | 17 | 9 |
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| TC 3 − | 18 | 21 |
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| TC 4 + | 19 | 10 |
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| TC 4 − | 20 | 22 |
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| TC 5 + | 21 | 11 |
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| TC 5 − | 22 | 23 |
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| TC 6 + | 23 | 12 |
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| TC 6 − | 24 | 24 |
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---
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## Key Differences — Arburg vs Thermoplay
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| Property | Arburg Side | Thermoplay Side |
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|-------------------|-------------------------------------|------------------------------------|
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| Heater pair logic | Adjacent pins (1+2, 3+4, …) | Split across M/F halves (1/13, 2/14, …) |
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| TC logic | Sequential pairs (13+14, 15+16, …) | Offset by 12 pins (7/19, 8/20, …) |
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| TC type | J-type | J-type |
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| Zones supported | Up to 6 | Up to 6 |
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---
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## Notes
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- Always verify wiring with a multimeter before powering up.
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- Mislabelled or swapped TC wires will cause **temperature runaway** or zone shutdown.
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- Heater zones carry **mains voltage** — ensure the machine is **locked out** before working on wiring.
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- Module references from schematic: `-4X1`, `-4X2`, `-4X3`, `-4X4`
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---
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*Document generated from Arburg proportional regulator schematic & Thermoplay connector diagram.*
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