Max HN50 Manuel de service

1HN.50.Y1.0210-1998Tech NoteCAN bus componentsHN.50.Y1.02 is newIntroductionBook 9 Partition 5Danfoss has introduced a new remote controlsystem with C

10 HN.50.Y1.02This component is located near the valve andacts as the interface between PVG and CANbus. The interface can control up to eightPVEs and

HN.50.Y1.02 11Identification of PVPX PVPX is used as a safety device for the PVGand dumps to tanks LS pressure in dangeroussituations. With PVG CIP it

12 HN.50.Y1.02Node identification Node identification specifies the address PVG CIP has for the other CAN components (applies after system reboot).Uni

HN.50.Y1.02 13The above diagram shows all functions in con-nection with one port, using four points A, B,C, and D. Points A and D define the limits of

14 HN.50.Y1.02This function limits the PVE output signal andthereby valve flow. The parameter is specifiedin percentage since the mechanical characte-

HN.50.Y1.02 15Ramps After signal tuning of points A-D as specifiedin the previous figure, the signal follows theramp that is specified here. Two sets

16 HN.50.Y1.02The following functions are provided to enableservicing and fault location on PVG CIP:• Activation of PVE• Diagnosing• Restoring factory

HN.50.Y1.02 17Restoring factory settings Factory settings of all accessible parametersare stored permanently in PVG CIP. Thisfunction is used to resto

18 HN.50.Y1.02This component is based on the Prof 1joystick and can therefore be set up for manymechanical configurations. The joystick alsocontains o

HN.50.Y1.02 19Cyclic trigger The joystick sends information on the firstPDO (tx). As standard, the joystick transferscyclically using Tc= 10 ms. NMT i

2 HN.50.Y1.02CAN communicationCAN communication works on the prioritisingof messages, thus CAN uses familiar andestablished methods such as CSMA/CA (C

20 HN.50.Y1.02This program pack offers the user several different programs for meeting various require-ments:CIP Configuration ToolSetting up a system

21HN.50.Y1.02This is an example of setting up the parame-ters in connecting a Prof 1 CIP joystick with aPVG CIP. The example is divided into steps:Ste

22 HN.50.Y1.021400, sub 1Step 2:Setting up PVE typesPVE (PVEM/H/S) types are used to select the PVG CIP control function. The types are defined in Ind

HN.50.Y1.02 23Step 3:Connecting joystick signals to PVE outputsIn the PVG CIP OD the inputs have indexes1400-1403. In this OD range only the format of

24 HN.50.Y1.02This means that in this example we mustmake the following connections in PVG CIPOD index 2104 HEX.*) Note: If a proportional signal is c

HN.50.Y1.02 25Parameter list 1 of 5 forPVG CIP (shortened version of OD)Index Subindex Parameter Name1000 Device Type1001 Error Register1003 error fie

26 HN.50.Y1.02Parameter list 2 of 5 forPVG CIP (shortened version of OD)Index Subindex Parameter Name2001 6 DBC_6_AY_A2001 7 DBC_7_AY_A2001 8 DBC_8_AY

HN.50.Y1.02 27Parameter list 3 of 5 forPVG CIP (shortened version of OD)Index Subindex Parameter Name200D 2 SW TUNE_2_BY_B200D 3 SW TUNE_3_BY_B200D 4

28 HN.50.Y1.02Parameter list 4 of 5 forPVG CIP (shortened version of OD)Index Subindex Parameter Name2018 8 TYPE_82018 9 PVPX AVAILABLE2019 RAMP MODE2

HN.50.Y1.02 29Parameter list 5 of 5 forPVG CIP (shortened version of OD)Index Subindex Parameter Name2104 10 PVE8B2104 11 PVPX2105 Float PVE push mapp

HN.50.Y1.02 3The example above shows the structure of ajoystick COB.1. A COB is started by sending a 0 (start of frame).2. An identification code (COB

30 HN.50.Y1.02PVG CIP dimensions

HN.50.Y1.02 31

32 HN.50.Y1.02Danfoss can accept no responsibility for possible errors in catalogues, brochures and other printed material. Danfoss reserves the right

4 HN.50.Y1.02CAN components supplied by Danfoss can beidentified from the abbreviation CIP (CANInterfaced Product). We supply the following:• PVG CIP•

HN.50.Y1.02 5Supply voltage Udc10 - 30 V DCMax. supply voltage 36 V DCMax. pulsation (peak to peak) 5%Common to PVG CIP & Prof 1 CIPPower supplyBa

6 HN.50.Y1.02Prof 1 CIP data format The data format is independent of the mecha-nical configuration. It is manufactured so thata signal for an 8-bit p

HN.50.Y1.02 7Voltage, neutral position 50% of UdcVoltage, full flow port A25% of UdcVersion with float position control 35% of UdcVoltage, full flow p

Fail-safe condition Alarm conditionPVG CIP Prof 1 CIP PVG CIP8 HN.50.Y1.02Safety aspects Both PVG CIP and Prof 1 CIP are designed togive maximum safet

HN.50.Y1.02 9Fail-safe condition arises when faults of thefollowing types occur:OD-index 2018 subindex 9 HEXActivation of PVPX/PVPE0No PVPX=> must