6420-001-H-K

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The 6420-001-H-K is a micro stepping stepper drive with a maximum step rate of 5700 RPM and an input voltage range of 24 VDC to 75 VDC. Manufactured by Pacific Scientific as part of the 6410 Stepper Drives series, it supports RS-232, RS-422, and RS-485 serial protocols. This drive offers over-voltage protection and optional cooling via heatsink or fan.

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Product Description:

The 6420-001-H-K micro stepping indexer drive from Pacific Scientific has a simple mnemonic programming interface. This drive can be controlled by executing a custom program on a host computer for increased versatility. The product has an input current rating depending on the associated load and motor. This device must be installed in the vertical orientation. The unit allows the modification of various motion parameters. It incorporates dedicated status indicators to highlight its operating status. This drive is optically isolated from the driver.

The product has special memory locations for specific functions. This device operates in variable resolution mode when high-speed micro stepping and high resolution are required. The unit deploys a convectional cooling action. Its serial protocols have a baud rate of 9600 bps. This drive encompasses a three-position DIP switch to set the output current from 0.625 ARMS to 5 ARMS. The product must not be operated without its NEMA enclosure. This device should be connected using the manufacturerEs cables. The unit is meant to be checked for damage before it is put to use. Its operating temperature inside the cabinet must not exceed 50 degrees C.

This drive uses its J4 connector for the serial port connection. The product operation is programmed through the serial port. The device should comply with the power rating and bus voltage range specified by the manufacturer to avoid the possibility of it getting damaged. This unit performs a wide range of functions using single-letter commands. Its motor terminals have a high voltage when it is powered on. This micro stepping indexer drive uses jumpers to configure its inputs. The product has open collector outputs with a voltage rating of 30 DC. This device comprises a sinking transistor and an opto-isolator at the input stage. The unit has the same step resolution for the master and slave drives. It has a two-board assembly with the indexer on top.

Cooling Options
Heatsink or fan
Discrete Input Logic Thresholds
Low ≤0.8V, High ≥3.7V
Discrete Input Voltage Range
0 to 30 VDC
Discrete Output Voltage
Open collector, 30 VDC max, 70 mA sink
Humidity Range
10% to 90%, non-condensing
Input Voltage Range
24 to 75 VDC
Max Output Motor Current
5 A RMS, 7.1 A peak
Max Step Rate
5700 RPM
Memory
1792 bytes NVRAM
Microstepping Resolution (binary)
200 to 51,200 steps/rev
Microstepping Resolution (decimal)
200 to 50,000 steps/rev
Operating Temperature Range
0°C to 50°C
Protection Features
Short-circuit; under-voltage & over-voltage
Serial Interfaces
RS-232, RS-422, RS-485
Storage Temperature Range
-55°C to +70°C

Frequently Asked Questions about 6420-001-H-K:

Q: What PC is needed to operate the software of the 6420-001-H-K drive?

A: An IBM compatible PC is needed to operate the software of the 6420-001-H-K drive.

Q: How are the motion commands of the 6420-001-H-K drive specified?

A: The motion commands of the 6420-001-H-K drive are specified using single-letter mnemonics.

Q: How is the resolution of the 6420-001-H-K drive set in the fixed resolution mode?

A: The resolution of the 6420-001-H-K drive is set in the fixed resolution mode by using binary steps or decimal steps.

Q: When is the variable resolution mode of the 6420-001-H-K drive opted?

A: The variable resolution mode of the 6420-001-H-K drive opted when micro-stepping speed is needed without compromising on speed.

Q: In what orientation should the 6420-001-H-K drive be stored?

A: The 6420-001-H-K drive should be stored in a horizontal orientation.


Internal Product Review

  • ‘‘The 6420-001-H-K drive has a non-volatile memory segmented into eight pages. It comprises step and direction outputs. The drive supports fixed and variable resolution micro stepping.’’

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