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Summary of Contents for PoLabs PlasmaDiv
- Page 1 PlasmaDiv user’s manual v1.0 December 31, 2021 PlasmaDiv user’s manual v1.0...
- Page 2 5. PoLabs devices may be used in equipment that does not impose a threat to human life in case of the malfunctioning, such as: computer interfaces, office equipment, communications equipment, test and measurement equipment, audio and visual equipment, home electronic appliances, machine tools, personal electronic equipment, and industrial robots.
- Page 3 Terminals and pinout ..........................4 Connection to the PoKeys57CNC and plasma cutter equipment ............5 Direct connection ........................5 Divided voltage connection ......................6 Mach3 – PlasmaDiv configuration ......................7 Mach4 – PlasmaDiv configuration ......................8 Grant of license ............................. 10 www.polabs.com...
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Page 4: Electrical Specifications
December 31, 2021 Description PlasmaDiv is a galvanically isolated plasma voltage divider 50:1. The isolated start signal can be used to safely interface the THC system with the plasma cutter. PlasmaDiv is developed to be used as independent device and is compatible with most controller boards on the market and plasma cutters. - Page 5 +24 Vdc Pay attention – correct connection on terminals! ARC_START terminal – connect to start input of the plasma cutter: Function Relay – NO (normally open) relay contact Relay – common terminal Figure 1: PlasmaDiv terminals layout and dimensions www.polabs.com...
- Page 6 Connection to the PoKeys57CNC and plasma cutter equipment The PlasmaDiv device is prepared for two possible connections to the plasma cutter equipment. A max 500 V input for direct connection and 10 V input for connection using divided plasma cutter output.
- Page 7 Please refer to your plasma cutter owner's manual for detailed information about divided output voltage and connector pinout. Remember PlasmaDiv has 10 V input isolation 1:1. PlasmaDiv 0-10 V output connection to PoKeys must implement resistant divider (shown in connection diagram below), because PoKeys ADC connector inputs works 0 - 3.3 V.
- Page 8 In Mach3 software under Plugin Control-> Configure PoKeys57CNC->Device settings you will find Pulse engine settings tab. Note that all voltages have divider factor of 30 applied (1:10 by the PlasmaDiv and additional 1:3 by the resistor voltage divider). Enter all voltages in range between 0 and 3.3 V.
- Page 9 PlasmaDiv user’s manual v1.0 December 31, 2021 Mach4 – PlasmaDiv configuration Download and install the latest PoKeys Mach4 plugin from https://www.poscope.com/. Unzip and copy files: Mach4PoKeysPlugin.m4pw and Mach4PoKeysPlugin.sig to “Mach4\Plugins” folder. Run Mach4 (Plasma profile) • Go to Configure –> Control... -> Axis Mapping tab and enable axis X (0), Y (1), Z (2) and OB1. Mach4 plasma THC is handled with so called out-of-band(OB) motor.
- Page 10 • Set Analog voltage input register: PoKeys_xxxxx/Analog input 42 Note that all voltages have divider factor of 30 applied (1:10 by the PlasmaDiv and additional 1:3 by the resistor voltage divider). Enter all voltages in range between 0 and 3.3 V.
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Page 11: Grant Of License
PlasmaDiv user’s manual v1.0 December 31, 2021 Grant of license The material contained in this release is licensed, not sold. PoLabs grants a license to the person who is using any compatible PoLabs product, subject to the conditions listed below. 1. Access The licensee agrees to allow access to this manual only to persons who have been informed of and agree to abide by these conditions.
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