Difference between revisions of "IONI connector pinout"
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===Feedback device signals=== | ===Feedback device signals=== | ||
Revision as of 12:22, 23 July 2015
IONI card edge connector fits into a standard PCI-Express 8X socket connector.
Contents
Pinout
| Color |
|---|
| Power pin |
| Input pin |
| Output pin |
| Mixed or other purpose |
The pinout of IONI drive is provided in the following table.
- I/O and low voltage signals
| Pin | Signal name | Pin | Signal name | |
|---|---|---|---|---|
| A1 | GND | B1 | 5V_IN | |
| A2 | RS485_A | B2 | RS485_B | |
| A3 | ADDRSEL1 | B3 | ADDRSEL2 | |
| A4 | HSIN1 | B4 | HSIN2 | |
| A5 | ANAIN- | B5 | ANAIN+ | |
| A6 | GPI1 | B6 | GPI2 | |
| A7 | GPI3 | B7 | GPI4 | |
| A8 | GPO1 | B8 | GPO2 | |
| A9 | GPO3 | B9 | GPO4 | |
| A10 | GPO5 | B10 | GPI5 | |
| A11 | REGEN_OUT | B11 | MECH_BRAKE_OUT | |
| A12 | ENABLE_IN | B12 | Reserved/NC | |
| A13 | STO2 | B13 | HALL_W | |
| A14 | HALL_V | B14 | HALL_U | |
| A15 | A- | B15 | A+ | |
| A16 | B- | B16 | B+ | |
| A17 | C- | B17 | C+ |
- Power signals
| Pin | Signal name | Pin | Signal name | |
|---|---|---|---|---|
| A18-A22 | GND | B18 | Not connected | |
| A23 | Not connected | B19-B22 | HV+ | |
| A24-A27 | PHASE1 | B23 | Not connected | |
| A28 | Not connected | B24-B27 | PHASE2 | |
| A29-A37 | PHASE3 | B28 | Not connected | |
| A38 | Not connected | B29-B37 | PHASE4 | |
| A39-A43 | PHASE1 | B38 | Not connected | |
| A44 | Not connected | B39-B43 | PHASE2 | |
| A45-A49 | GND | B44 | Not connected | |
| B45-B49 | HV+ |
Note 1: pins marked as Not connected are left empty for to make larger clearance for high voltage signals. Leave these pins unconnected on motherboard designs.
Note 2: Each power signal is present in two pin groups (internally parallel) and these signals should be wired parallel on motherboard.
Signal assignment
General purpose I/O (GPI/GPO)
The table below summarizes the default functions for GPIO pins.
 | Connecting GPI/GPO's are not mandatory. All of the same functions may be also accessed via SimpleMotion V2 interface. |
| Signal name | Function | Used for | Remarks |
|---|---|---|---|
| GPI1 | Home switch | Homing reference switch (optional), can also disable homing, or use Hard-stop homing without switch | Note 1 |
| GPI2 | Enable positive feed | Axis positive direction end limit switch (optional) | Normally closed switch. When switch is open, motion/force in positive direction is prevented. 1 |
| GPI3 | Enable negative feed | Axis negative direction end limit switch (optional) | Normally closed switch. When switch is open, motion/force in negative direction is prevented. 1 |
| GPI4 | Clear faults | Rising logic edge on this pin will clear fault state of drive | In IONICUBE mode, also rising edge of enable signal will clear faults. |
| GPI5 | Start homing | Rising logic edge on this pin will start homing if homing is enabled | |
| GPO1 | Servo ready | Use to indicate controller that drive is ready | Logic 1 when drive has been initialized, enabled and ready to follow setpoint commands. If homing is enabled, then servo ready will be logic 1 after homing is successfully completed. |
| GPO2 | Tracking error warning | Use to indicate controller when drive is having difficulties following the setpoint before a tracking fault occurs | Logic 1 when tracking error (position or velocity, depending on control mode) is greater than 1/8 of configured fault trigger level. |
| GPO3 | Fault state (active low) | Use to indicate controller that drive is stopped due to fault state | In IONICUBE mode GPO3 goes logic 0 after when enable signal is set low (for Mach3 compatibility). GPO3 is open drain type to allow wired and connection. |
| GPO4 | 2-way travel allowed | Use to indicate controller when axis is allowed to move in both directions (i.e. any limit switches not hit or axis lies within an optional homing defined limited travel range) | |
| GPO5 | Reserved |
1) Connect switch between GND and GPIn pin
Setpoint signals
Setpoint mode is selected by software with parameter Setpoint inputCRI and behavior is affected by parameters Setpoint smoothingCIS, Setpoint multiplierMUL, Setpoint dividerDIV, Setpoint offset nullingCAO and Enable direction inputCED.
| Drive listens setpoint commands also always through SimpleMotion V2 interface regardess of Setpoint inputCRI paramter setting. |
| Signal name | Function | Used for | Remarks |
|---|---|---|---|
| HSIN1 | High speed digital input 1 | Depending on setpoint mode, can be either:
| |
| HSIN2 | High speed digital input 2 | Depending on setpoint mode, can be either:
| |
| ANAIN- | Differential analog negative input | Used for analog setpoint mode | Setpoint voltage is the voltage difference between ANAIN+ and ANAIN- |
| ANAIN+ | Differential analog positive input | Used for analog setpoint mode |
Feedback device signals
| Signal name # | Electrical type (in most feedback device modes) | Alternate electrical type (in some feedback device modes) | Connection with various feedback devices |
|---|---|---|---|
| HALL_W | Digital input W | Hall sensor input, phase W | |
| HALL_V | Digital input V | Hall sensor input, phase V | |
| HALL_U | Digital input U | Hall sensor input, phase U | |
| A- | Differential input A- | Analog input A- | Quadrature encoder (A channel)/SinCos A |
| A+ | Differential input A+ | Analog input A+ | |
| B- | Differential input B- | Analog input B+ | Quadrature encoder (B channel)/SinCos B |
| B+ | Differential input B+ | Analog input B- | |
| C- | Differential input C- | Quadrature encoder index channel (Z channel) | |
| C+ | Differential input C+ | ||
 | In case of single-ended encoder, connect encoder's A, B, Z only to drive's A+, B+ and C+ and leave drive's A-, B- and C- unconnected. |
| With differential Hall sensor (which provides U+, U-, V+, V-, W+ and W-, connect only sensor's U+, V+ and W+ to drive's HALL_U/V/W. |
| Never connect sensor negative outputs (A-/B-/C-/U-/V-/W-) to GND. Connect them to drive's A-/B-/C- or leave unconnected. |
| Feedback devices with differential signaling may use varying naming schemes of signal pairs. For example differential signal X (which contains two electrical wires) may be denoted as: X+ and X-, or X and \X or X and X. In this Wiki we mark them X+ and X-. Some Fanuc encoders have quadrature signals named as PCA, /PCA, PCB, /PCB, PCZ and /PCZ which are equivalent to A, B and Z signal pairs. |
Other signals
| Signal name | Function | Used for | Remarks |
|---|---|---|---|
| REGEN_OUT | Regenerative resistor control output | Use to control optional regenerative resistor to prevent excessive voltage generation in HV DC bus during motor deceleration. | A buffer circuit is needed for resistor, such as a logic level MOSFET. See example schematic here. |
| MECH_BRAKE_OUT | Mechanical holding brake control output | Use to control optional holding brake of motor | A buffer circuit is needed to drive a solenoid brake, such as a logic level MOSFET. See example schematic here. |
| ENABLE_IN | Drive enable input signal (always required) | Use to enable drive and allow motor to initialize and operate | Accepts up to 24V voltage level, but works also with 3V level signal |
| STO2 | Safe torque off input signal (always required) | Use to allow motor to produce torque (activate power stage) | Accepts up to 24V voltage level, but works also with 5V level signal. STO is inactive (allows torque) when logic high is supplied. |
Electrical ratings
| Signal names | Allowed input voltages/output voltage | Internal input/output impedance (Ω) | Internal pull impedance (Ω) |
|---|---|---|---|
| 5V_IN | 5V +/-10% | - | - |
| HV+ | 0 – 55 V | - | - |
| RS485_A/B | RS485 serial bus, 2.7-5.5V signal level | >10k | - |
| ADDRSEL1, ADDRSEL2 | External address setting pull-down resistors to ground (minimum 2.2 kΩ). See article Setting IONI bus address. | - | 2.2k pull-up |
| HSIN1, HSIN2 | Logic low -0.3-1.0V, logic high 2.7-5.5V | - | 2.2k pull-up |
| ANAIN-, ANAIN+ | +/- 11V | 8k | - |
| GPI1...GPI4 | Logic low -0.3-1.0V, logic high 2.7-5.5V | - | 2.2k pull-up |
| GPI5 | Logic low -0.3-1.0V, logic high 2.7-5.5V | - | ~20-50k pull-up |
| GPO1,2,4,5 | Logic low 0V, logic high 3.3V | 220 | - |
| GPO3 | Depends on Electrical interface CEI parameter: In IONICUBE mode it is an open drain output, pulled to 0V with 220 ohm impedance or pulled to 3.3V with pull-up (allow wired and connection of multiple drives). In other modes it is push-pull output (like GPO1,2,4,5) | 220 | ~20-50k pull-up |
| MECH_BRAKE_OUT | Logic low 0V, logic high 3.3V | 220 | - |
| REGEN_OUT | Logic low 0V, logic high 3.3V | 220 | - |
| ENABLE_IN | Logic low -0.3-1.0V, logic high 2.7-26V | 5k | 10k pull-down |
| STO2 | Logic low -0.3-2.0V, logic high 4.5-26V | 8k | 20k pull-down |
| HALL_U/V/W | Logic low -0.3-1.0V, logic high 2.7-5.5V | - | 2.2k |
| A/B/C+ | RS422 receiver, 2.7-5.5V signal level | - | 2.2k |
| A/B/C- | RS422 receiver, 2.7-5.5V signal level | - | 1.1k pull to 2.5V |
Electrical interface modes (software selectable)
IONI supports various function mappings to I/O signals and is selectable through Granity CEI Electrical interface parameter. The differences between modes are:
| Mode | Description | Effects |
|---|---|---|
| Standard | The default mode | I/O assignments as described in pinout |
| IONICUBE | Mode for IONICUBE that is compatible with parallel port CNC controllers such as Mach3 and LinuxCNC software.
Not recommended with IONICUBE 1X as GPO3/fault output will not work then. |
|
| IONIZER | Not yet implemented, do not use | - |
Selecting device address
When accessing drive through SimpleMotion V2 bus, each device in the bus should be assigned to different address between 1 to 32. Device address is a sum of hardware setting and software parameter SMO SM Bus address offset. The address of device is determined at the moment of logic voltage power on and will become by sum of hardware setting and SMO.
Hardware setting is set by connecting a resistor between ADDRSEL1 and GND by following table:
| Hardware address setting | Resistance | Tolerance +/- |
|---|---|---|
| 1 | open circuit | |
| 2 | 5.6 kOhm (or two 2.7 kOhm in series) | 5% |
| 3 | 2.7 kOhm (or two 5.6 kOhm wired in parallel) | 5% |
| 4 | 1.8 kOhm (or 5.6 kOhm and 2.7 kOhm wired in parallel) | 5% |
 | Never connect ADDRSELn inputs directly to GND with lower than 1 kOhm impedance |
Hardware address allows designing a motherboard like IONICUBE where each device has different address when SMO parameter is at it's default value (0).
