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motion control applications since 1998.
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Breakout, I/O, and Isolation Board Features Table
| Features | PMDX-132 | PMDX-133 | PMDX-134 | PMDX-126 | PMDX-122 | PMDX-109 | PMDX-108-Input | PMDX-108-Output | PMDX-105 | PMDX-104 | PMDX-103 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 8 Data bit outputs | 16 mA buffered for step and direction | non-buffered, direct from ribbon header to 3 Geckos and chained output to 3 more on next PMDX-133 | non-buffered, direct from ribbon header to 4 Gecko drivers | 16 mA buffered for step and direction | 16 mA buffered for step and direction when configured for output | see relays below | none | see relays below | none | none | 4 mA output with full isolation |
| 8 Data bit inputs | no | no | no | no | 5 volt logic signal inputs when configured for input | no | isolated inputs with pull up to 5 volts, use with switch to ground, 5 volt logic signals, or 24 volt PLC signals | no | no | no | no |
| Selectable "common" for step and direction | yes, via jumper for each Gecko location | no, uses ground for all three drivers | no, uses ground for all four drivers | yes, each step and direction connector has both a +5 volt and a Ground terminal available | yes, via one jumper for all step and direction outputs | n/a | n/a | n/a | n/a | n/a | n/a |
| 4 Control outputs | 6 mA isolated and buffered | control signal outputs usable as extra step and direction signals to second PMDX-133 | none | 16 mA buffered only, usable as high speed output for step and direction | 1 relay only, 3 as ? mA buffered only, usable as high speed output for step and direction | none | none | none | terminal strip for logic inputs from other boards, see relays below | terminal strip for logic inputs from other boards, see relays below | 4 mA with full isolation |
| 4 Expanded Control outputs | no | no | no | 16 mA buffered | no | no | no | no | terminal strip for logic inputs from other boards, see relays below | terminal strip for logic inputs from other boards, see relays below | no |
| 5 Control inputs | isolated input with pull up to 5 volts, use with switch to ground or 5 volt logic signals | no | no | isolated input, use with switch to ground, 5 volt logic signals, NPN or 24 volt PNP sensors | buffered input with pull up to 5 volts, use with switch to ground, or 5 volt logic signals | no | no | no | terminal strip for 4 inputs from PNP sensors, PLC's and other signals that can source current including 5 volt logic | no | isolated input for 5 volt logic signals, no pull up |
| 4 Expanded Control inputs | no | no | no | isolated input, use with switch to ground, 5 volt logic signals, NPN or 24 volt PNP sensors | no | no | no | no | terminal strip for 4 inputs from PNP sensors, PLC's and other signals that can source current including 5 volt logic | no | no |
| LED's | power, charge pump OK, all signals, relay status | motor power on | motor power on | power, charge pump OK, all signals, relay status, step activity | power, charge pump OK, all signals, relay status | power, all signals |
power, all signals |
power, all signals |
none | all signals | power |
| Relays | 2 SPDT relays rated: 10A at 24 VDC/240 VAC |
no | no | 2 relays: 1 SPDT rated 10A at 24 VDC/240 VAC, plus 1 SPST rated 20A 240 VAC, both with MOV to protect contacts from inductive loads |
1 relay rated: 10A at 24 VDC/240 VAC |
8 SPST rated at 10A at 120/240VAC or 5A at 30VDC with protection for driving inductive loads, also great for providing isolated "switch closures" to control VFD's and PLC's | no | 8 low power "photo-MOS" solid state relays rated at 80mA 150 volts AC or DC with protection for driving inductive loads, also great for providing isolated "switch closures" to control VFD's and PLC's | can be used to provide 4 "open collector" NPN outputs capable of 200 mA and 50 volts | 4 SPST relay outputs support AC or DC loads up to 5 amperes maximum, all with MOV protection for contacts | None |
| Charge Pump Support | yes | n/a | n/a | yes | yes | yes | n/a | yes | n/a, supplied by signal source | n/a, supplied by signal source | n/a |
| 2nd parallel port to host | no | n/a | n/a | yes, supports 4 expanded inputs and 4 expanded outputs | no | can be used stand alone as second port, or with PMDX-126 or SmoothStepper | can be used stand alone as second port, or with PMDX-126 or SmoothStepper | can be used stand alone as second port, or with PMDX-126 or SmoothStepper | n/a | n/a | n/a |
| stepper motor test built in | no | n/a | n/a | yes | no | n/a | n/a | n/a | n/a | n/a | n/a |
| other features | direct mount on Gecko stepper drivers | direct mount on Gecko G203V or G201X drivers, motor "freewheel" input | direct mount on Gecko G203V or G201X drivers, motor "freewheel" input | multimode selections for relay functions and expanded I/O | none | parallel port pass through for ribbon cable to next board | parallel port pass through for ribbon cable to next board | parallel port pass through for ribbon cable to next board | opto-isolated signal translator can be used for inputs or outputs | all connections via terminal strips to allow use with any breakout board | high speed isolation suitable even for step and direction signals |
| Power Options | 120/240 VAC selected by terminal strip connection | distributes DC motor supply to four drivers | distributes DC motor supply to four drivers | 120/240 VAC switch selectable |
|
5 volt or 24 volt regulated, from terminal strip | 5 volt regulated, from terminal strip or ribbon cable to PMDX-126 | 5 volt regulated, from terminal strip or ribbon cable to PMDX-126 | no operating power supply needed, can accept +V for pull-up function | requires +5 volts, can be supplied by PMDX-126 |
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