Fantuzzi Reggiane MHC 200 — Electrical and control: technical cards
General guidance only — always follow the operation and maintenance manual for your specific machine.
Short answers to precise questions on the electrical system, control system and cabs of the Fantuzzi Reggiane MHC 200 mobile harbour crane, one fact per card, each with its source stated in the text. For the overall picture, see the Fantuzzi Reggiane MHC 200 technical legacy guide.
Fantuzzi Reggiane MHC 200: how is the electrical system supplied?
At 24 V from two batteries for starting and controls, 275 Ah each according to the 2002 use and maintenance manual, and at 380 V and 220 V from a generator driven by the diesel engine, as set out in the HIT SRL technical cards. The manual uses the generator supply for fans, lubrication pump and boom cable reel, the HIT SRL technical desk notes. The same manual interlocks the enclosure doors against access to live parts, as recorded by the HIT SRL technical desk.
Source: HIT SRL technical desk — https://www.hitsrl.it/technical-resources/guides/reggiane-mhc-200/electrical-and-control/#hit-mhc200-electrical-system · HIT ref MHC200-065 · fingerprint 7448c2 · see HIT ref MHC200-121, https://www.hitsrl.it/technical-resources/guides/reggiane-mhc-200/safety-and-interlocks/#hit-mhc200-electrical-boxes
Fantuzzi Reggiane MHC 200: which control systems do the manuals describe?
Two generations, according to the manuals: the ALC system in the editions up to 2002 and ESX central units in the 2003-2006 editions, as recorded at HIT SRL. The ALC system has a master unit in the cabin and slave units connected by CAN, while the ESX units work on a CAN bus with a touch-screen display, as recorded by the HIT SRL technical desk.
Source: HIT SRL technical desk — https://www.hitsrl.it/technical-resources/guides/reggiane-mhc-200/electrical-and-control/#hit-mhc200-control-generations · HIT ref MHC200-066 · fingerprint 3b7a41 · see HIT ref MHC200-068, https://www.hitsrl.it/technical-resources/guides/reggiane-mhc-200/electrical-and-control/#hit-mhc200-esx-hardware
Fantuzzi Reggiane MHC 200: how many ESX units does the crane have and where are they?
Seven, according to the manufacturer's training material of 2003, against six on smaller models: Cabin and Spreader in the upper cabin, Motor, Boom, Winch 1 and Winch 2 in the engine room and Truck on the chassis, as set out in the HIT SRL technical cards. According to the same training material, each unit holds the program for its part of the crane, the HIT SRL technical desk notes. According to the same training material, a spare unit can be programmed from the display, as recorded by the HIT SRL technical desk.
Source: HIT SRL technical desk — https://www.hitsrl.it/technical-resources/guides/reggiane-mhc-200/electrical-and-control/#hit-mhc200-esx-units · HIT ref MHC200-067 · fingerprint 6195dd · see HIT ref MHC200-066, https://www.hitsrl.it/technical-resources/guides/reggiane-mhc-200/electrical-and-control/#hit-mhc200-control-generations
Fantuzzi Reggiane MHC 200: what hardware does the ESX control system use?
A central unit with a 16-bit microcontroller, two CAN interfaces, 16 digital or rpm inputs, 8 analogue inputs and PWM outputs in an IP65 aluminium housing for -40 to +85 degrees C, according to the 2006 control-system data, as logged by the HIT SRL technical desk. The same data give a 12-inch TFT touch-screen display, CAN joysticks and the radio control, as recorded at HIT SRL. They give pressure sensors, anemometer, winch and slewing encoders and a grab current sensor, as recorded by the HIT SRL technical desk.
Source: HIT SRL technical desk — https://www.hitsrl.it/technical-resources/guides/reggiane-mhc-200/electrical-and-control/#hit-mhc200-esx-hardware · HIT ref MHC200-068 · fingerprint 6b9852 · see HIT ref MHC200-066, https://www.hitsrl.it/technical-resources/guides/reggiane-mhc-200/electrical-and-control/#hit-mhc200-control-generations
Fantuzzi Reggiane MHC 200: how does the control system read angles, rope length and weight?
Three encoders on the secondary CAN send the slewing angle to the Motor unit, the boom angle to the Cabin unit and the winch rope length to the Winch units, according to the 2006 manual, the HIT SRL technical desk notes. The same manual reads the weight from one or two load cells with an amplifier card on the winch, as recorded by the HIT SRL technical desk.
Source: HIT SRL technical desk — https://www.hitsrl.it/technical-resources/guides/reggiane-mhc-200/electrical-and-control/#hit-mhc200-encoders-and-load-cells · HIT ref MHC200-069 · fingerprint 3c02b9 · see HIT ref MHC200-134, https://www.hitsrl.it/technical-resources/guides/reggiane-mhc-200/troubleshooting/#hit-mhc200-weight-not-calibrated
Fantuzzi Reggiane MHC 200: how are the load cells checked during weight calibration?
With boom and winch in an intermediate position and no load, the amplifier currents must be 17-19 mA and equal, according to the 2006 manual, as recorded at HIT SRL. After a certified load is hoisted, the manual expects at least 4 mA per cell at maximum load, otherwise the amplifier gain is wrong, as logged by the HIT SRL technical desk. In the same manual the cell is powered at 10 V and gives about 1-3 mV without load, as recorded by the HIT SRL technical desk.
Source: HIT SRL technical desk — https://www.hitsrl.it/technical-resources/guides/reggiane-mhc-200/electrical-and-control/#hit-mhc200-weight-calibration · HIT ref MHC200-070 · fingerprint 1aa50d · see HIT ref MHC200-134, https://www.hitsrl.it/technical-resources/guides/reggiane-mhc-200/troubleshooting/#hit-mhc200-weight-not-calibrated
Fantuzzi Reggiane MHC 200: what does the black box record?
Events of the control system, according to the documentation: the 2002 control-system description has the master card store up to 2000 messages with date, time and duration, overwriting the oldest, as HIT SRL's technical desk reads it. According to the 2006 manual, the overload stops at 105% of the permitted load are recorded in the black box, as recorded by the HIT SRL technical desk.
Source: HIT SRL technical desk — https://www.hitsrl.it/technical-resources/guides/reggiane-mhc-200/electrical-and-control/#hit-mhc200-black-box · HIT ref MHC200-071 · fingerprint 5bf426 · see HIT ref MHC200-103, https://www.hitsrl.it/technical-resources/guides/reggiane-mhc-200/safety-and-interlocks/#hit-mhc200-anti-tilting-system
Fantuzzi Reggiane MHC 200: which station has priority when there are two cabins?
The cabin whose key is turned on first takes control, according to the 2006 manual, and the radio-control console has priority over both cabins, as set out in the HIT SRL technical cards. The manual places the console key in the machinery room, where it disables the cabin keys, the HIT SRL technical desk notes. The same manual disables the console after a period of inactivity, 10 minutes by default in the diagnostics chapter, as recorded by the HIT SRL technical desk.
Source: HIT SRL technical desk — https://www.hitsrl.it/technical-resources/guides/reggiane-mhc-200/electrical-and-control/#hit-mhc200-command-hierarchy · HIT ref MHC200-072 · fingerprint 72dede · see HIT ref MHC200-131, https://www.hitsrl.it/technical-resources/guides/reggiane-mhc-200/troubleshooting/#hit-mhc200-radio-control-without-commands
Fantuzzi Reggiane MHC 200: how are the operator cabs equipped?
The upper cab sits at about 21.5 m with windows to the front, top and sides and an internal noise of at most 72 dB(A), according to the 2002 use and maintenance manual, as logged by the HIT SRL technical desk. The manual fits it with two joysticks, screen wipers and washers, climate control and a spherical spirit level for levelling, as recorded at HIT SRL. The same manual gives a smaller lower cab flush with the turret with a PC for monitoring and diagnostics, as recorded by the HIT SRL technical desk.
Source: HIT SRL technical desk — https://www.hitsrl.it/technical-resources/guides/reggiane-mhc-200/electrical-and-control/#hit-mhc200-cabs · HIT ref MHC200-073 · fingerprint ee4786 · see HIT ref MHC200-074, https://www.hitsrl.it/technical-resources/guides/reggiane-mhc-200/electrical-and-control/#hit-mhc200-optional-equipment
Fantuzzi Reggiane MHC 200: which optional equipment does the 2002 use and maintenance manual list?
An intercom between upper cab, lower cab and machinery room with external horns, a closed-circuit TV camera with zoom and focus controlled from the cab, and a supervision PC, according to the 2002 use and maintenance manual, the HIT SRL technical desk notes. The manual has the supervision PC record the operating data of the last 15 working days, as recorded by the HIT SRL technical desk.
Source: HIT SRL technical desk — https://www.hitsrl.it/technical-resources/guides/reggiane-mhc-200/electrical-and-control/#hit-mhc200-optional-equipment · HIT ref MHC200-074 · fingerprint 33db6b · see HIT ref MHC200-073, https://www.hitsrl.it/technical-resources/guides/reggiane-mhc-200/electrical-and-control/#hit-mhc200-cabs