Hommel-Etamic10032865-LSSurface Roughness and Contour Measuring Station Controller PC – Full-Size PICMG 1.0 SBC in 19-Slot Passive PCI/ISA Backplane, Socket 478 to 800 MHz FSB, Up to 2 GB DDR, Dual Ethernet (10/100 + Gigabit), 8 x USB 2.0, 2 x SATA, CompactFlash Boot, 0-60 C

Product Description

What this part is

The controller computer out of a Hommel-Etamic surface roughness and contour measuring system – Jenoptik part number 10032865-LS. This is the industrial PC that runs the measuring station: it drives the axes, digitises the tactile probe signal and hosts the measuring and evaluation software. It is the electronics half of a two-part metrology system whose other half is the mechanical measuring station and probe.

Hommel-Etamic (formerly Hommelwerke) is the Industrial Metrology division of the Jenoptik Group. Systems in this family carry the names T8000, C8000, nanoscan, surfscan, waveline, waveslide, wavemove and Evovis (the evaluation software) – all searchable as either Hommel-Etamic or Jenoptik. A controller of this vintage belongs to the T8000 / C8000 generation of PC-based tactile roughness and contour stations.

The four numbers on this assembly

10032865-LS: Hommel-Etamic / Jenoptik assembly number for the controller PC. ROCKY-4786EVG-RS-R41: the IEI Technology single-board computer fitted. PCI-19S-RS-R40: the IEI 19-slot passive backplane the SBC plugs into. Doli 1250A BS: a DOLI-branded card in the backplane.

The IEI and DOLI numbers identify the configuration and allow board-level spares to be sourced independently of Jenoptik.

Why it is built this way – PICMG 1.0 and a 19-slot passive backplane:
Metrology OEMs did not use desktop motherboards. The architecture here is a passive backplane plus a CPU card on a card edge: all the intelligence lives on one full-size PICMG 1.0 single-board computer that plugs into a backplane carrying nineteen slots of PCI and ISA. Two things follow, and both are the reason this hardware still has value. First, the ISA slots: proprietary metrology interface, probe amplifier and axis cards from this era are ISA, and no modern motherboard has an ISA bus. Second, the CPU card is field-replaceable without touching the instrument cards – a failed SBC is replaced as one board while the machine’s calibration-bearing interface cards stay put. Nineteen slots is a large backplane by any standard; it exists so a fully optioned measuring station with multiple axis and probe cards fits in one chassis.

IEI ROCKY-4786EVG-RS-R41 – from IEI’s own documentation:
Full-size PICMG 1.0 CPU card, RoHS compliant, from IEI’s long-term-support range. Socket 478 for Intel Pentium 4 (Prescott) and Celeron D processors with a 400, 533 or 800 MHz front-side bus. Chipset Intel 865G / 865GV northbridge with ICH5 southbridge, Winbond W83627F/HF Super I/O, Award Flash BIOS. Graphics is the Intel Extreme Graphics II engine integrated in the northbridge (AGP 4X/8X bus internally), one VGA port. Memory is two 184-pin DDR 333/400 MHz SDRAM DIMM sockets, 1 GB per module maximum, 2 GB system maximum.

Networking is the reason the EVG suffix exists: two Ethernet ports, an Intel 82562ET 10/100 Mbps controller plus an Intel 82547 Gigabit controller attached over Intel’s CSA (Communication Streaming Architecture) bus rather than the PCI bus, with ASF 2.0 remote-control support. With the CSA attachment, the gigabit port does not compete with the instrument cards for PCI bandwidth.

I/O: 2 x RS-232 (pin header), 1 x LPT with SPP/EPP/ECP, 1 x IrDA, 8 x USB 2.0 (pin headers), 2 x Serial-ATA 150, 2 x IDE ATA-100 (40-pin, 2.54 mm pitch) supporting four Ultra ATA 100/66/33 devices, 1 x floppy (34-pin), 1 x PS/2 keyboard and mouse plus a 5-pin keyboard header, one CompactFlash Type II socket for solid-state boot media, Realtek ALC655 AC’97 codec audio. PCI bus interface 33 MHz revision 2.3. Software-programmable watchdog timer, 1 to 255 second system reset. Hardware monitoring of CPU Vcore, supply rails, CPU and system fan speed and temperature. Real-time clock with 256-byte battery-backed CMOS RAM. ACPI 2.0 power management.

Board dimensions 338 x 122 mm, weight 1.1 kg gross. AT/ATX power support. Power consumption 12 V at 7.52 A, -12 V at 500 mA, 5 V at 6.98 A running a 3.0 GHz Pentium 4 on an 800 MHz FSB with 512 MB of DDR400. Operating temperature 0 to 60 degrees C (32 to 140 degrees F), operating humidity 5 to 95 percent non-condensing. IEI documents the board as ROCKY-4786EV / EVG user manual rev. 4.10.

The DOLI card

DOLI Elektronik GmbH (Munich) builds digital measurement and control electronics – their EDC / EDCi controller family handles closed-loop position and force control, incremental and SSI encoder inputs, and plus/minus 10 V drive outputs for materials-testing and precision-motion systems. A DOLI card in a metrology station backplane is doing that class of work: axis control and transducer signal conditioning. The card marking 1250A BS is reproduced here exactly as it appears on the unit.

What the parent measuring system does

Hommel-Etamic PC-based roughness stations of this generation offer measuring ranges and resolutions of plus/minus 8 micrometres at 1 nm, plus/minus 80 micrometres at 10 nm, plus/minus 800 micrometres at 100 nm and plus/minus 8000 micrometres at 1000 nm, with micrometre or microinch display. Filtering covers DIN 4768 RC, ISO 11562 Gaussian, ISO 13565-1 two-fold Gaussian for Rk parameters and ISO/TS 16610-31 robust Gaussian, with cut-offs of 0.025, 0.08, 0.25, 0.8, 2.5 and 8 mm. Traverse lengths run to 120 or 200 mm depending on the traverse unit; traverse speeds 0.05, 0.15 and 0.5 mm/s or variable from 0.01 to 2 mm/s. Parameter sets include ISO 4287 roughness, profile and waviness parameters, ISO 13565-1 to -3 Rk parameters, ISO 12085 motif parameters and JIS B-0601. Station power supply is 100-240 V AC 50/60 Hz with an operating temperature of +10 to +40 degrees C (+18 to +25 degrees C on nanoscan). Those are system-level figures from Jenoptik literature for the T8000 / C8000 family – they describe what the controller was built to serve, not a specification of this chassis.

Scope of supply

The controller PC assembly as pictured, sold open box, quantity one. The unit’s own condition note reads: See Pictures For Unit Modules. The photographs show the modules physically present.

Fitting, commissioning and interchange notes

Socket 478 CPUs, DDR DIMMs, PATA drives and PICMG 1.0 CPU cards are all long out of production but abundant in the surplus channel, so board-level repair of this platform remains viable. The CompactFlash Type II socket accepts a solid-state boot device. The watchdog timer and hardware monitoring are on-board. ROCKY-4786EV (no G) has only the 10/100 controller and ROCKY-4786E2V has dual 10/100; the EVG variant alone carries the gigabit CSA port, so it is the like-for-like SBC swap. Within the EVG line, RS-R40 and RS-R41 differ by revision level rather than function.

The metrology interface cards carry the system’s calibration relationship with their original station.

Brand and obsolescence trail

Hommelwerke became Hommel-Etamic, which is the Jenoptik Industrial Metrology division; current-generation equivalents are the Jenoptik waveline W800 / W900 platforms with Evovis software. The same hardware is searched as Hommel-Etamic, Hommel Etamic, Jenoptik Hommel, Jenoptik Industrial Metrology or Hommelwerke. IEI Technology also trades as ICP America and iEi Integration. DOLI Elektronik GmbH remains in business building EDCi controllers. Jenoptik’s current controllers are a different architecture from the 10032865-LS assembly.