Hardware Overview

1.1SP-400 Mainframe

• Mainframe size: 4 HU 19‘‘-Rack
• 4 slots for SP-Modules
• 4 slots for additional eurocards (160x100mm)

SP Modules (SPM):

• Matrix switching
• Load switching & load placement
• internal or external load placement
• 8ch. Sense Bus (e.g. current meas.)
• simulation circuits
• communication devices
• signal conditioning
• DUT specific topology
• …

Further labels in the schematic:

• µC-Board (SPC-64): 64 ch. switching outputs
• Supply-Board: 24V / 16A fuse, EMC filter
• TCP/IP, +24V / 16A, Sense-Bus, Error State
• Cabling to DUT Adapter or System internal
• Optional: to System Fixture Interface, DUT Adapter or external loads

1.2SP-1200 Mainframe

• Mainframe size: 7 HU 19‘‘-Rack
• 12 slots for SP-Modules
• 6 fans for load cooling

1.2.1Front and rear view

Front View (Switch Module side):

• 12 slots for Switch Modules population (6 HU)
• Frontpanel with On/Off switch and slot ID (1 HU)
• 3x Fans directly below SP-Modules for load cooling

Rear View (µC-Side):

• Backplane Interface with Sense-Busses, Error State and status LED
• Supply slot with 24Vdc connector and 16A Fuse
• µController card for Switch Modules with Ethernet, Trigger/Debug and status LED (1 required for each Switch Module)
• SP-1200 backplane (12 slot)
• Switch Modules cable interface connector

1.2.2Rack Supply Slot

SP-1200 Power Supply requirements: 24Vdc, max. 16A

• Overcurrent protection: Fuse 16A, switchable
• Quick plug connector for 24Vdc supply input (connector included)

1.2.3Backplane Interface Card

SP-1200 Backplane signal connectivity to external devices and systems.

• Status LEDs: Power (24V) available, Error state, TCP/IP communication
• Reset Button for setting default IP address
• Analog Sense Bus breakout: 4x SMB connector
• Error State breakout: NO contact for external interlock loop

1.2.4Switch Module µController Card

• 64x relay driver outputs (switching to GND; 300mA/ch; 10A total)
• 32x analog input channels (4x8 MUX; 12bit; 3,3V)
• 8x Dig. I/O configurable
• 1x CAN, 1x SPI communication

• Status LEDs: Power (24V) available, µC and SP-Module Status, Error state of mainframe, TCP/IP communication
• Dig. I/O & CAN breakout connector
• Ethernet port breakout: Additional TCP/IP port for local LAN (test system internal)

1.2.5Programmable ID Module

• Small CAN communication based ID module
• EEPROM for customer data read/write access
• Fixed worldwide unique ID
• Direct connect to SPC-64 Auxiliary connector read & write via TCP/IP of SPC-64
• Easy configuration via SP Editor SW

Use Cases:

• placed in sub components like DUT Adapters or fixture interface box for automated identification
• system or adapter related data transfer (e.g. calibration data, contacting counters, ..)

1.3SP-1200 Module Portfolio (Q1/22)

1.3.1Loadcard Modules -LC

1.3.2Matrix Modules -MX

1.3.3Fault Simulation Modules -FS

1.3.4Other Modules

1.3.5Stand Alone Modules -STA

Switching Platform Stand Alone Modules:

• stand alone solutions for distributed switching tasks (no SP mainframe required)
• typical formfactor: small aluminium housing with LxWxH ~190x125x60mm
• connectivity: TCP/IP port of system controller, supply voltage (e.g. 24Vdc), all other specific hardware (e.g. high power relays, control LEDs, ..)
• full integration in SP software (configuration, setting, alias names, debugging windows, ..)
• easy integration as Add On in each existing SP topology (e.g. connect to unused SPC-64 TCP/IP socket)
• note: SPM-…-STA products have different formfactor and are not designed for use inside SP-Mainframes

1.4SP Modules

1.4.1SPM-700401-LC-MF (MOS-FET)

• 4x channels: 70A continuous ON; 85A max. 40 sec ON / 80 sec OFF; 100A max. 20 sec ON / 50 sec OFF
• Current measurement app. 1% (±85A)
• Current and temperature monitoring
• PCB Temp. vs. Current (3 fans on):

Below heat sink: MOS-FET semiconductor switches with leakage current < 1µA.

Current transducers app. 1% precision, offset referenced. Sensitivity: 25mV/A; Vout: -2,125V .. 2,125V (= -85A..85A).

Power supply switching example

SPM-700401-LC-MF used for switching power supply outputs (up to 70A) to DUT (example configuration).

Using two MOSFET channels parallel would allow switching of app. 150A.

Schematic

• 4 Channels, each 70 A, 60V
• Integrated current transducers (app. 1%), output voltage connectable to Sense-Bus 1..4; current value also via communication (reduced precision)
• Onboard diagnostic (self test: relay state open/close, current transducers function)
• Overcurrent and overtemperature monitoring -> channel switch to open
• Internal load placement and external load breakout

Load scenarios

Switch high current load between DUT pins with integrated current measurement (app. 1%):

Switch external placed high current load between DUT pins with integrated current measurement (app. 1%):

Connect high current power supply directly to DUT with integrated current measurement (app. 1%):

Hot switching possible due to MOSFET switches.

1.4.2SPM-300602-LC

• 6x2 channels 30A (40A max. 60 sec)
• Current measurement app. 1% (±40A)
• Current and temperature monitoring
• Internal diagnostic

Labeled components: Short bridge clamps and breakout connectors; Clamps for external temperature sensors; Identical connectors for load or cable; Load relays 30A; Current Transducers; Backplane connector to µC card (SPC).

SPM-300602-LC-E: Schematic

• 6x2 Channels, each 30 A (40 A temporary app. 1 minute), 60V
• Integrated current transducers (app. 1%), output voltage connectable to Sense-Bus 1..4; current value also via communication (reduced precision)
• Onboard diagnostic (self test: relay state open/close, fuse, current transducers function)
• Overcurrent and overtemperature monitoring -> channel switch to open
• Internal load placement and external load breakout

Transducers: -40..40A, ~ 1%. Sense 1: COM 1,5; Sense 2: COM 2,6; Sense 3: COM 3; Sense 4: COM4.

SPM-300602-LC-P: Schematic

SPM-300602-LC with option –P = load mounting panel.

Load scenarios

Switch 2 different high current loads between DUT pins with integrated current measurement (app. 1%):

Switch 2 different external placed high current loads between DUT pins with integrated current measurement (app. 1%):

Connect high current power supply directly to DUT with integrated current measurement (app. 1%):

Hot switching not possible.

1.4.3SPM-100802-LC

• 8x2 channels 10A, 60V, fused
• Each channel configuration as dual load or single channel
• Current measurement via shunt, current transducer or in-line DMM

Labeled components: Loadboard with short clamps and breakout connectors; Load relays 10A; Relays for switching to DMM in-line current measurement; Medium blow fuses 10A; Connector for cable connectivity; Configuration area for channels and current measurement; Backplane connector to µC card (SPC).

Current measurement

Standard shunts: 25mOhm, 50mOhm, 1Ohm, 10Ohm (0.5..0.05%); 3W max. continuous power; other values on request.

Current Transducer: -12A .. 12A, ~1% precision, 200kHz; Vout offset referenced; Sensitivity: 104,2mV/A; Vout: -1,250V .. 1,250V (= -12A..12A).

Each of the 8 load channels can be configured with shunt or current transducer. Standard delivery state is blank (no shunts or current transducers). On request also mounted or separate shunts or CT-Modules possible.

Schematic

• 8x2 Channels, each 10 A, 60V, 4x Power Bus max. 18A
• Shunt or current transducers, output voltage connectable to Sense-Bus 1..4; 4 parallel current measurements: ch.1..4 to Sense 1 & 3 and ch. 5..8 to Sense 2 & 4
• Direct DMM in-line current measurement on each channel
• Loadboard with breakout connectors and clamps for shorts and smaller loads

Load configuration example

SPM-100802-LC used for specific load configuration including original motor inductors (example configuration).

1.4.4SPM-026401-LC

• 64x channels form A, 2A, 60V
• 4x power bus lines 10A
• Relay state readback via 2nd contact
• Loadboard for easy load configuration and breakout connector

Labeled components: Load mounting areas, PB-configuration and breakout connector; Short jumpers for NO channels (no load); Identical connectors for load or cable; Load relays 2A; Backplane connector to µC card (SPC).

Schematic

• 64 Channels each 2 A, 60V & 4x Power Bus Lines, 10A each
• Relay switching state monitoring via 2nd contact
• Loadboard for internal loads mounting and external load access
• including 64 short jumpers and external cable side connector

Load scenarios

Use all 64 channels as Form A (SPST) relay contacts with max. current 2A (standard delivery state of all 64 jumpers on loadboard):

Switch internal placed loads between DUT pins:

Switch internal placed loads to 4x Power Bus lines (max. 10A per PB line):

Switch external placed loads between DUT pins or to 4x Power Bus lines (max. 10A per PB line):

1.4.5SPM-021604-MX

• 16x4 matrix crosspoints, 2A, 60V
• 4x column lines for max. 10A
• 16x row lines 2A, fused
• Relay state readback via 2nd contact
• breakout connectors rows/ & columns

Schematic

• Matrix 16x4 topology (16 rows/channels to 4 columns)
• Each row/channel max. 2A, 60V, incl. fuse
• Each column max. 10A
• Relay switching state monitoring via 2nd contact
• Loadboard for external access to channels and rows
• including external cable side connector

1.4.6SPM-023206-MX

• 32x6 matrix crosspoints, 2A, 60V
• 6x column lines for max. 10A
• 32x row lines 2A, fused
• Relay state readback via 2nd contact
• breakout connectors rows/ & columns

Schematic

• Matrix 32x6 topology (32 rows/channels to 6 columns)
• Each row/channel max. 2A, 60V, incl. fuse
• Each column max. 10A
• Relay switching state monitoring via 2nd contact
• Breakout connectors for external access to channels and rows
• including external cable side connector

1.4.7SPM-1000201-ME-CMM

• 2x CMM-III or CMM-IV on a SP-Module carrier
• autoranging current measurement from 1µA- 100A on 2 channels
• expandable to max. 8 CMM‘s
• internal diagnostic via loop current
• standard factory or DAkkS calibration
• Full SP-SW support: read current values via TCP/IP commands

1.4.8SPM-300802-FS

• 8x fault simulation channels 30A, 60V
• 2x fault bus 40A (60A temp.)
• LED indicators, internal diagnostic
• high power breakout connectors

1.4.9SPM-020802-FS-D-FI

• 8x differential channels 2A, 60V
• 2x fault bus 40A (60A temp.)
• 2x fast interrupter (MOSFET, 2A, 40A)
• Internal diagnostic

1.4.10SPM-022002-FS

• 20x fault simulation channels 2A, 60V
• 2x fault bus 40A (60A temp.)
• Internal diagnostic

1.4.11SPM-DRV-001-STA

• 32x Open drain outputs 2.5A, 50V
• 32x Open drain outputs 0.3A, 30V
• 32x Dig. Inputs LVTTL max. 30V
• 8x relays form A (normally open) 2A
• 2x temperature sensor inputs
• 16A total current rating
• external fan output
• Error State contact (normally closed)
• Internal diagnostic & LED indicators

Switching of high power relays and contactors for high power requirements: 32x 2.5A/50V & 32x 0.3A/30V & total current 16A.

Automated readback of contactors AUX contacts to ensure correct switching states: Dig. IN and Dig. OUT can be linked via SW configuration, error raised if AUX state does not match.

Compact stand alone module, TCP/IP communication, distributed topologies.

Block diagram

1.5SP-1200 System Integration

System Integration 19‘‘-Cabinet, 38HU:

• 2x PXI Chassis each 18 slot
• 2x SP-1200 Mainframe each 12 slot
• 4x PS Channels (1x 1.500W, 4x 100W)
• Rack for additional HW (3HU)
• optional UPS or additional PS

• Instrument Access for instrument to matrix connectivity
• Fixture Interface with table (for needlebed adapters) or hinged (for production line integration)
• Standard Load Cabling from SP-Modules to VPC Interface
• Power Supplies and UPS
• SP-Modules with loads mounted or load breakout to external load rack
• Easy access to Switch Modules from cabinet rear door
• SP-1200 fans (3 per mainframe) provide additional rack cooling

1.6TCP/IP Topology

• Rack IDs: 0x0 .. 0xE (= 0..14)
• SP-400 Slots: 0x1..0x4 (= 0..4)
• SP-1200 Slots: 0x1..0xC (= 0..12)
• Max. SP-Modules: 15x SP-1200 = 180 Modules
• IP-Range: 192.168.111.1..236
• µC cards TCP/IP ports can be used for cascading SP mainframes
• IP address of each mainframe is set in backplane interface card (SPB)

Further labels in the diagram:

• System Controller: 192.168.111.240
• -STA 192.168.111.013: direct from HUB or from SPC-64; Rack ID: 0x0 (DIP 5..8), Slot: 0x0D (DIP 1..4)
• -STA 192.168.111.237: direct from HUB or from SPC-64; Rack ID: 0xE (DIP 5..8), Slot: 0x0D (DIP 1..4)

1.7SP-1200 Gallery