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Curtis PMC 1297 Manual

1

Preliminary on Verso page is set with right edge at 7 and 7/8,

and the top (as on the Recto page) at 1/4.

1 — OVERVIEW

OVERVIEW

The Curtis PMC 1297 motor controller is an integrated controller that com-
bines two motor controllers in one: it controls both a separately-excited traction
motor and a series pump motor. Typical applications include walkie/rider pallet
trucks, low lifts, stackers, small order-pickers, small reach trucks, and other small
industrial vehicles.

1

Fig. 1

Curtis PMC 1297

integrated traction and
hydraulic system controller.

The 1297 controller offers smooth, silent, cost effective control of motor

speed and torque. The traction section includes a full-bridge field control and
a half-bridge armature control to provide full solid-state regenerative braking.
The pump section contains a half-bridge drive designed to provide smooth and
efficient control of a series pump motor. In addition to controlling the pump
motor, the 1297 controls the valves on the Lift cylinder’s hydraulic line and thus
controls the hydraulic path for Lift and Lower operations.

The 1297 controller is fully programmable through any of Curtis PMC’s

13XX programmers. In addition to configuration flexibility, the programmer
provides diagnostic and test capability.

The 1297 is also designed to work with the optional Curtis 840 Spyglass

data display and the optional Curtis PMC 1312 tiller multiplexer.

Содержание 1297

Страница 1: ...ERS PROTECTED BY U S PATENT NO 4626750 1 2 9 7 M O D E L INTEGRATED TRACTION HYDRAULIC SYSTEM C O N T R O L L E R CURTIS PMC 235 East Airway Boulevard Livermore California 94550 USA Tel 925 961 1088 F...

Страница 2: ...KISCO NEW YORK 10549 U S A 914 666 2971 FAX 914 666 2188 CURTIS PMC 235 EAST AIRWAY BOULEVARD LIVERMORE CALIFORNIA 94550 U S A 925 961 1088 FAX 925 961 1099 ADDITIONAL OFFICES located in Bulgaria Chin...

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Страница 4: ...mum 41 Field Map Start 41 Field Map 41 Field Check 42 Emergency Reverse Parameters 43 Emergency Reverse Current Limit 43 Emergency Reverse Check 43 Emergency Reverse Acceleration Rate 43 Emergency Rev...

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Страница 7: ...glass display 19 FIG 12 Ramp restraint map for controller with Field Min set at 3 amps Field Max set at 18 amps and braking current limit set at 300 amps 28 FIG 13 Effect of adjusting the throttle dea...

Страница 8: ...ndard 5k 3 wire throttle pot B 1 FIG B 2 Mounting dimensions Curtis PMC potboxes B 1 FIG B 3 Mounting dimensions Curtis PMC footpedal FP 2 B 2 FIG B 4 Mounting dimensions Curtis throttle WP 45 CP B 2...

Страница 9: ...ost effective control of motor speed and torque The traction section includes a full bridge eld control and a half bridge armature control to provide full solid state regenerative braking The pump sec...

Страница 10: ...s through the 13XX programmer and through the controller s built in Status LED Throttle inputs for single ended or wigwag 5k pots or 0 5V throttles both standard full stroke and restricted range one t...

Страница 11: ...52 mm round case DIN case and as a bare board each with an 8 pin Molex connector cases feature front seal to IP65 and rear seal to IP40 shock and vibration protection to SAE J1378 Operating temperatur...

Страница 12: ...port in the label on top of the controller and 2 that convenient access is needed at the top of the controller to plug the programmer into its connector The outline and mounting hole dimensions for th...

Страница 13: ...operate before attempting any work on the pump motor control circuitry NOTE If the wrong hydraulic throttle input signal type is selected with the 13XX programmer the hydraulic system may suddenly beg...

Страница 14: ...J1 Pin 12 forward switch input no multiplexer Lift limit switch input multiplexer J1 Pin 13 display data output J1 Pin 14 not used J1 Pin 15 display ground reference output J1 Pin 16 display power out...

Страница 15: ...splay uses only three of J2 s six pins 1 2 and 5 A 4 pin low power connector J3 is provided for the 13XX programmer A complete programmer kit including the appropriate connecting cable can be ordered...

Страница 16: ...rmature s A1 connection going to the controller s B bus bar and its A2 connection going to the controller s TRACTION M bus bar The traction motor s eld connections are Fig 3 Standard wiring configurat...

Страница 17: ...iring for the input switches and contactors is shown in Figure 3 the connector is shown in more detail below The main contactor coil must be wired directly to the controller as shown in Figure 3 The c...

Страница 18: ...n 3 J1 Pin 2 J1 Pin 1 J1 Pin 16 J1 Pin 13 J1 Pin 15 A A EMERG REV CHK J1 Pin 9 J1 Pin 6 EMERG REV KEYSWITCH TRACTION MOTOR PUMP MOTOR CONTROL FUSE A2 A1 A2 TRACTION MOTOR FIELD S1 FORWARD INTERLOCK LO...

Страница 19: ...nection going to the B bus bar and its A2 connection going to the PUMP M bus bar Standard Control Wiring Wiring for the input switches and contactors is shown in Figure 4 the connector is shown in mor...

Страница 20: ...V 3 80 V 5 00 V Wiper Resistance 0 k 1 65 k 5 50 k 7 50 k 4 Wiper Voltage 0 50 V 2 50 V Fwd Lift 3 10 V Fwd Lift 4 40 V Fwd Lift 4 50 V 2 50 V Rev Lower 1 90 V Rev Lower 0 60 V Rev Lower Wiper Resist...

Страница 21: ...ent Source 3 Wire Pot and Electronic Throttles Type 2 With these throttles Type 2 in the programming menu the controller looks for a voltage signal at the wiper input Zero speed corresponds to 0V and...

Страница 22: ...5V input Pin 4 Hyd 0 5V input Pin 21 0 5V input Pin 4 Traction Throttle Hydraulic Throttle Traction Throttle Hydraulic Throttle Also the controller recognizes the voltage between the wiper input and B...

Страница 23: ...provides a current limited 5V source to the pot and Pot Low Pin 22 provides the return path Wiring is shown in Figure 8 and also in the standard wiring diagrams Figures 3 and 4 Potentiometers with tot...

Страница 24: ...ault There is no fault detection built into the ET XXX and the controller will detect only open wiper faults It is the responsibility of the OEM to provide any additional throttle fault detection nece...

Страница 25: ...orType 4 devices is similar to that forType 2 devices The neutral point will be with the wiper at 2 5 V measured between Pin 4 or 21 and B For the traction throttle the controller will provide increas...

Страница 26: ...cy reverse switch is pressed After the emergency reverse switch is released normal controller operation is not resumed until neutral no direction is selected or until the interlock switch is cycled Th...

Страница 27: ...12V 15V 16 1 4 6 receive data 13 5 3 7 N C 8 ground B 15 2 2 NOTE The Spyglass display can be connected to any of the 1297 s low current connectors J1 J2 or J3 not connected the vehicle will not oper...

Страница 28: ...spikes The controller also performs a welded contactor check and a missing main contactor check each time the interlock switch is engaged Controller output is inhibited if these contactor checks are...

Страница 29: ...oltage of the system and must not exceed the 2 amp rating of its driver The lowering valve solenoid coil should be rated at or below the nominal battery voltage and should be capable of opening the va...

Страница 30: ...that identify this particular con guration e g 1297 2417 In addition to specifying parameter values the OEM can designate whether a parameter will have User or OEM only access rights Accordingly two v...

Страница 31: ...Valve Parameters Lowering Valve Maximum Current Lowering Valve Minimum Current Lowering Valve Dither Lowering Valve Current Acceleration Lowering Valve Current Deceleration Load Hold Delay Lowering V...

Страница 32: ...tance the time or distance required to achieve the requested speed is influenced by a variety of factors including initial speed vehicle load and terrain M1 M2 DRIVE C L The drive current limit parame...

Страница 33: ...ratio is tuned as part of the vehicle performance adjustment process Section 5 NOTE Current ratio is only effective in drive it does not affect regenera tive braking BOOST ENABLE In situations where t...

Страница 34: ...decel rate is adjustable from 0 1 to 10 0 seconds COAST DECEL Thecoast deceleration ratede nes how quickly the controller reduces it output to zero when the Pick switch is released This parameter allo...

Страница 35: ...The interlock braking rate parameter de nes the time it takes the controller to increase from 0 braking output to 100 braking output when interlock braking is initiated The interlock braking rate is...

Страница 36: ...ing parameter de nes how the controller will apply braking force when braking is requested If the variable braking parameter is pro grammed On the amount of braking current applied by the controller w...

Страница 37: ...urations i e options 0 through 4 described in Table 2 E M BRAKE DLY The electromagnetic brake driver open delay parameter allows a delay after the interlock switch has been opened before the brake dri...

Страница 38: ...s whenever the throttle is in neutral and the vehicle is not moving or after the emergency reverse switch closes and is then released During normal operation Brake Driver Option 3 controls braking as...

Страница 39: ...never be set so high the vehicle is moving too fast when the throttle returns to small values just above the deadband NOTE The programmed creep speed is not displayed as the Throttle value in the pro...

Страница 40: ...adjusts the applied motor voltage as a function of motor load current This results in more constant vehicle speeds over variations in driving surface ramps rough terrain etc without the vehicle opera...

Страница 41: ...rottle The throttle type parameter can be programmed to 1 2 3 or 4 The standard throttle input signal type options are listed in Table 3 Table 3 PROGRAMMABLE THROTTLE TYPES Traction Throttle THROTTLE...

Страница 42: ...useful with throttle assemblies that do not reliably return to a well de ned neutral point because it allows the deadband to be de ned wide enough to ensure that the controller goes into neutral when...

Страница 43: ...wiper relative to B For throttle types 1 and 3 the deadband points are defined in terms of the nominal 5k pot resistance Using a pot of greater or lesser resistance will give different values for the...

Страница 44: ...tle range The throttle max parameter can be adjusted from 100 to 60 the default setting is 90 The nominal throttle wiper range depends on the throttle type selected See Table 1 page 12 for the charact...

Страница 45: ...at the pot wiper relative to B For throttle types 1 and 3 the deadband points are defined in terms of the nominal 5k pot resistance Using a pot of greater or lesser resistance will give different val...

Страница 46: ...creep speed set at 0 and maximum speed set at 100 a throttle map setting of 50 will give 50 output at half throttle As noted above the 50 ramp shape is always a linear response A throttle map setting...

Страница 47: ...sult in 45 output at half throttle TRACTION THROTTLE INPUT percent of active range 80 60 50 40 30 20 THROTTLE MAP 100 90 80 70 60 50 40 30 20 10 0 100 90 80 70 60 50 40 30 20 10 0 SPEED PARAMETERS 10...

Страница 48: ...voltage throttle inputs are used It is recommended that the pot low check parameter be set to On in any application where a resistive throttle is used This will provide maximum throttle fault detecti...

Страница 49: ...arts to increase it is adjustable from 25 amps up to the controller s full rated armature current value The full rated armature current depends on the controller model see speci cations in Table E 1 T...

Страница 50: ...ith increasing armature current thus emulating a series wound motor Decreasing the eld map parameter reduces the eld current at a given armature current i e it weakens the eld As the eld current is re...

Страница 51: ...shown in Figures 3 and 4 pages 8 and 10 EMR REV ACCEL Theemergency reverse acceleration rateparameter de nes the time it takes the controller to accelerate from 0 to 100 output in the opposite direct...

Страница 52: ...ition to providing routine smooth starts HPD also protects against accidental sudden starts if problems in the throttle linkage e g bent parts broken return spring give a throttle input signal to the...

Страница 53: ...rogrammer is used to make the selection Type 0 no SRO Type 1 SRO unless interlock input before a direction input Type 2 SRO unless KSI plus interlock input before a direction input Type 3 SRO unless K...

Страница 54: ...ED When the Lift switch is closed the controller activates the load hold valve thus enabling the Lift function as shown in Figure 20 Themaximum pump speed parameter de nes the maximum allowed armature...

Страница 55: ...throttle is reduced from full to none or when the Lift switch is opened The pump decel rate is adjustable from 0 1 to 3 0 seconds 3B PROGRAMMABLE HYDRAULIC PARAMETERS Pump Fig 20 Hydraulic system dia...

Страница 56: ...rom 0 1 to 25 0 seconds PUMP BDI L O The pump BDI lockout feature prevents Lift operation when the battery state of charge is below 20 This parameter can be programmed On or Off When programmed On if...

Страница 57: ...ent parameter sets the minimum current through the lowering valve Most proportional valves need a non zero closed current in order to start opening immediately when Lower is requested The LV minimum c...

Страница 58: ...ase from 100 to 0 The LV current decel rate is programmable from 0 0 to 3 0 seconds LV CHECK The LV check parameter de nes whether the controller performs missing coil checks on the lowering valve sol...

Страница 59: ...single ended or wigwag and the Curtis ET XXX electronic throttle The hydraulic throttle type parameter can be programmed to 2 or 4 The standard throttle input signal type options are listed in Table 4...

Страница 60: ...stics of your selected throttle type Fig 21 Effect of adjusting the hydraulic throttle deadband parameter 3B PROGRAMMABLE HYDRAULIC PARAMETERS Hydraulic Throttle Throttle Type 2 0 5V single ended Thro...

Страница 61: ...60 on the full stroke wiper voltage required to attain 100 controller output Fig 22 Effect of adjusting the hydraulic Throttle Max parameter 3B PROGRAMMABLE HYDRAULIC PARAMETERS Hydraulic Throttle Th...

Страница 62: ...e s active range is the voltage or resistance between the 0 output point throttle deadband and the 100 output point throttle max For example if the maximum pump speed is set at 100 a throttle map sett...

Страница 63: ...response to throttle demand for Lift operation 3B PROGRAMMABLE HYDRAULIC PARAMETERS Hydraulic Throttle Fig 24 Hydraulic throttle maps for Lift for controller with maximum speed set at 80 HYDRAULIC TH...

Страница 64: ...plied VARIABLE LOWER The variable lower parameter enables throttle control of Lower speed if a proportional lowering valve is used When variable lower is programmed Off the proportional valve aperture...

Страница 65: ...te the vehicle When this parameter is programmed On both the KSI input J1 Pin 1 and the interlock input J1 Pin 2 must be pulled high to B before the controller will engage the main contactor The conta...

Страница 66: ...actor driver however is always protected from overcurrents short circuits and overheating MUX ENABLE The multiplexer enable parameter when programmed On enables the J2 connector and thus the multiplex...

Страница 67: ...is being installed in a used vehicle however it may be desirable to transfer the existing hourmeter values to the new controller To do this the existing decimal hourmeter values must be converted to 8...

Страница 68: ...reset high middle and low byte values to the pump hourmeter First adjust the byte values as desired for the pump hourmeter Then program the Apply Pump Hours parameter On which automatically loads the...

Страница 69: ...d goes into effect DIS PUMP HRS The pump disable hours parameter is used to set the pump disable timer it can be adjusted between 0 and 250 hours in 1 hour increments If the pump disable timer expires...

Страница 70: ...er expires the controller automatically sets the service traction parameter On The user must then program the service traction parameter Off to indicate the appropriate service has been performed SERV...

Страница 71: ...ttery with no load Whenever this voltage is present for 6 seconds except during regenerative braking the BDI is reset to 100 The reset voltage value can be set from 0 90 to 3 00 VPC in 0 01 VPC increm...

Страница 72: ...throttles are in neutral and all the switches are open Wear safety glasses and use well insulated tools 1 If a programmer is available connect it to the 4 pin connector J3 2 Turn the keyswitch on The...

Страница 73: ...r should display the correct status for each switch If your application has a multiplexer cycle these switches on the multiplexer also 6 Take the vehicle down off the blocks and drive it in a clear ar...

Страница 74: ...adjusted without the controller being wired into a vehicle The wiring can be expanded to conduct a complete functional test on the bench if you want to do this contact Curtis for further information T...

Страница 75: ...ny changes in the motor the vehicle drive system or the controller will require that the system be tuned again to provide optimum performance The 1297 s MultiMode feature allows the vehicle to be con...

Страница 76: ...forward switch is engaged and the controller recognizes the forward command STEP 6 Without moving the throttle scroll up to display the Throttle parameter and read the value shown This value should be...

Страница 77: ...n full controller output at the maximum throttle position Select the Program Menu and decrease theThrottle Max setting Repeat this step until the Throttle value is 100 STEP 5 Now that the full throttl...

Страница 78: ...is reduced Reductions in the eld current over the motor s typical operating temperature range can be 10 to 50 Since the maximum available eld current deter mines the maximum torque that can be produc...

Страница 79: ...lower eld currents than speci ed will result in operation outside the motor s safe commu tation region and will cause arcing between the brushes and commutator signi cantly reducing motor and brush li...

Страница 80: ...the desired top speed Increasing the Field Min value decreases the vehicle s top speed decreasing the Field Min value increases the vehicle s top speed CAUTION Do not decrease the Field Min below the...

Страница 81: ...shed STEP 2 Once the vehicle s unloaded top speed has been set load the vehicle to its desired load capacity Leave the Field Min and Max Speed parameters at the settings determined during the unloaded...

Страница 82: ...eding the motor s safe commutation region TRACTION FINE TUNING Four additional vehicle performance characteristics can be adjusted Response to reduced throttle Response to increased throttle Smoothnes...

Страница 83: ...for the best overall response If the vehicle starts too slowly under all driving condi tions the Accel Rate should be reduced STEP 3 Increasing vehicle acceleration If acceleration feels good for slow...

Страница 84: ...is reduced to 0 and the desired speed is still not attained the system is being limited by the motor s torque capability under these operating conditions CAUTION be careful when reducing the Field Ma...

Страница 85: ...the Hydraulic Deadband and Throttle Max settings using the multi step procedures out lined for their traction throttle equivalents on pages 67 68 Step H 3 If a proportional valve is used and variable...

Страница 86: ...is therefore not covered here see the programmer manual 1297 PROGRAM MENU not all items available on all controllers M1 DRIVE C L Mode 1 drive current limit in amps M2 DRIVE C L Mode 2 drive current l...

Страница 87: ...3 4 or 4 8 BOOST ENABLE Boost current option enabled on off LOAD COMP Load compensation 0 to 25 SEQUENCING DLY Sequencing delay in seconds SRO Static return to off SRO type 3 HPD High pedal disable H...

Страница 88: ...lve in LV maximum current ADJ HOURS HIGH Hourmeter preset high byte 0 151 ADJ HOURS MID Hourmeter preset middle byte 0 255 ADJ HOURS LOW Hourmeter preset low byte 0 255 SET TOTL HRS Apply preset value...

Страница 89: ...interlock forward inputs received in that order 4 Main contactor control types see Section 3C page 57 On Interlock switch input required in addition to KSI to close contactor Off Contactor closes on...

Страница 90: ...d duty cycle as ARM PWM Traction motor armature duty cycle as FORWARD INPUT Forward switch on off neutral switch for Type 4 throttle REVERSE INPUT Reverse switch on off MODE INPUT Mode switch on M2 of...

Страница 91: ...D fault occurred HW FAILSAFE Hardware failsafe activated HYD INHIBIT Hydraulic throttle high at interlock HYD THROTTLE FAULT Hydraulic throttle fault LOW BATTERY VOLTAGE Battery voltage too low MAIN C...

Страница 92: ...ded each time the vehicle is brought in for maintenance The following 4 step diagnostic and troubleshooting process is recom mended 1 visually inspect the vehicle for obvious problems 2 diagnose the p...

Страница 93: ...Wrong throttle type selected 2 2 PUMP SENSOR pump motor current sensor error 1 Incorrect pump motor wiring 2 Controller defective 2 3 HPD HPD sequencing error 1 Improper sequence of KSI interlock and...

Страница 94: ...maintenance monitor expired 4 2 OVERVOLTAGE battery voltage too high 1 Battery voltage overvoltage shutdown limit 2 Operation with charger attached LOW BATTERY VOLTAGE battery voltage too low 1 Batter...

Страница 95: ...Table 6 Table 6 STATUS LED FAULT CODES LED CODES EXPLANATION LED off no power or defective controller solid on controller or microprocessor fault 0 1 controller operational no known faults 1 1 tractio...

Страница 96: ...TING SPYGLASS DIAGNOSTICS The eight character LCD on the Spyglass displays a continuous sequence of hourmeter battery state of charge and fault messages Fault messages are displayed using the same cod...

Страница 97: ...by disconnecting the battery 2 Discharge the capacitors in the controller by connecting a load such as a contactor coil across the controller s B and B terminals 3 Removeanydirtorcorrosionfromthepower...

Страница 98: ...assigned OEM access levels see Table D 1 On OEM speci ed models the OEM designates the access level for each parameter Restricting access rights to the OEM reduces the likelihood of important perform...

Страница 99: ...eep speed until the throttle is rotated out of the throttle deadband typically 10 of throttle This feature helps to prevent rollback when starting uphill with low throttle see Section 3A page 31 Curre...

Страница 100: ...decelera tion rates for the traction motor Emergency reverse Emergency reverse is activated when the emergency reverse switch is pressed After the emergency reverse switch is released normal controlle...

Страница 101: ...active faults Fault recovery including recovery from disable Almost all faults require a cycling of the keyswitch or interlock switch to reset the controller and enable operation The only exceptions a...

Страница 102: ...he controller is turned on when greater than 25 throttle is applied see Section 3A page 44 Hourmeters The 1297 has three built in hourmeters the total hourmeter measuring KSI on hours the traction mot...

Страница 103: ...he throttle position see Section 3A page 32 Lowering valve The aperture of the hydraulic line s lowering valve determines the speed of Lower operation the lowering valve can be either a proportional v...

Страница 104: ...is linearly decreased from full set current down to zero at 95 C NOTE Brakingcurrent limits are not reduced in overtemperature this ensures that full vehicle braking is available under all thermal co...

Страница 105: ...orce and restrain the vehicle to the requested speed see Section 3 page 27 Reverse polarity protection The 1297 controller is protected against reverse polarity by an internal diode If the battery s B...

Страница 106: ...ammable SRO feature prevents the vehicle from being started when in gear i e with a direction already selected see Section 3A page 45 Status LED A built in Status LED Light Emitting Diode is visible t...

Страница 107: ...le and hydraulic throttle have separate throttle maximum parameters see Section 3A page 36 and Section 3B page 54 Throttle types The 1294 controller accepts a variety of throttle inputs The most commo...

Страница 108: ...ft and Lower The variable Lift and variable Lower features allow the operator to use the throttle to control the speed of Lift and Lower operation see Section 3B page 56 Watchdog external internal The...

Страница 109: ...millimeters and inches RIGHT HAND OPERATION LEFT HAND OPERATION COM N O N C N C N O COM WITH MICROSWITCH PB 6 WITHOUT MICROSWITCH PB 5 WITH MICROSWITCH PB 9 WITHOUT MICROSWITCH PB 10 42 1 65 52 2 06...

Страница 110: ...8 Dimensions in millimeters and inches 55 2 2 ELEC SPECS ELECTRICAL TRAVEL 40 TOTAL RESISTANCE 5 k 10 8 0 3 1 2 3 Fig B 3 Mounting dimensions Curtis PMC footpedal FP 2 Dimensions in millimeters and in...

Страница 111: ...SSARY B 3 APPENDIX B THROTTLES Fig B 5 Mounting dimensions Curtis electronic speed control device ET series Dimensions in millimeters and inches 99 3 90 44 1 73 69 2 72 24 0 94 VIS TC 3 12 6 6 0 24 0...

Страница 112: ...citors must be adequate to meet any safety regulations regarding electrical connections between a battery operated circuit and the chassis The bypass capacitor should be installed as close to the moto...

Страница 113: ...ox on the end product The box may be constructed of just about any metal although steel and aluminum are most commonly used Most coated plastics do not provide good shielding because the coatings are...

Страница 114: ...rtis PMC motor controllers contain ESD sensitive components and it is therefore necessary to protect them from ESD damage Electrostatic discharge ESD immunity is achieved either by providing suf cient...

Страница 115: ...RRENT RATIO OEM 1 4 2 page 25 DECEL RATE M1 M2 OEM 0 1 10 0 3 0 seconds page 26 DRIVE C L M1 M2 OEM 50 RATED CURRENT 1 RC 1 amps page 24 E M BRAKE DLY OEM 0 0 30 0 3 0 seconds page 29 E M BRAKE TYPE O...

Страница 116: ...BDI L O OEM OFF page 48 PUMP BDI WARN OEM OFF page 48 PUMP C L OEM 25 RATED CURRENT 3 RC 3 amps page 46 PUMP DECEL OEM 0 1 3 0 0 1 seconds page 47 PUMP LOCK C L OEM 25 RC 3 50 RC 3 amps page 48 PUMP...

Страница 117: ...HRS OEM 0 250 10 hours page 61 TRAC FAULT SPD OEM 0 100 100 percent page 61 PUMP FAULT SPD OEM 0 100 100 percent page 61 SERVICE TOTL OEM OFF page 62 SERVICE TRAC OEM OFF page 62 SERVICE PUMP OEM OFF...

Страница 118: ...1 SPECIFICATIONS 1297 CONTROLLER Nominal input voltage 24 V PWM operating frequency 16 kHz Electrical isolation to heatsink 500 V ac minimum KSI input voltage minimum 16 8 V KSI input current no cont...

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