Curtis 840 Manual

Serial data display
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MODEL 840
SERIAL DATA DISPLAY
®
!
Read Instructions Carefully !

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Summary of Contents for Curtis 840

  • Page 1 MODEL 840 SERIAL DATA DISPLAY ® Read Instructions Carefully !
  • Page 2: Safety Instructions

    Safety Instructions This instrument was manufactured and tested according to the applicable technical standards. It complies with all the safety regulations as shipped from the factory. Installation and startup must be performed by skilled personnel. Failure to install and operate the unit in accordance with these instructions may result in damage or injury.
  • Page 3: Table Of Contents

    TABLE OF CONTENTS Page 1. Model Encodement 2. Technical Specifications 2.1 Electrical 2.2 Mechanical 2.3 Environmental 3. Installation 4. Operation 5. Troubleshooting 6. Maintenance...
  • Page 4: Model Encodement

    1. MODEL ENCODEMENT 015R Model Housing Operating Temperature Voltage Rating 015R = 12 VDC S = -10°C to +70°C F = -40°C, +70°C...
  • Page 5 Backlighting Input LED # Logo B = Backlit A=Std 101=3 LEDs N = No Logo 102 = 6 LED O= Curtis...
  • Page 6: Technical Specifications

    2. TECHNICAL SPECIFICATIONS 2.1 Electrical Operating Voltage Range: 12.0 to 15.0 VDC Maximum Operating Current (@12.0 VDC): 50 mA 2.2 Mechanical Display: 8-character, alphanumeric, dot-matrix LCD Mating Connector: Molex 8 pin, P/N 39-01-2085 Panel Cutout: 52mm, 2-1/16”...
  • Page 7: Environmental

    2.3 Environmental Operating Temperature Range: -10°C to +70°C (Standard Model) -40°C to +70°C (Freezer Model) Enclosure Protection: IP65 (Face), IP40 (Rear) Shock & Vibration: Meets SAE J 1378 (Jul 98)
  • Page 8: Installation

    24 VDC vehicles Pin 4: B+ (Heater), 36 VDC heater power for freezer option on 36 VDC vehicles Pin 5: Power, (12.0 to 15.0 VDC) supplied from Curtis Model 1297 motor controller Pin 6: Data Input from Curtis Model 1297 motor...
  • Page 9 51.5 (2.03) MAX.
  • Page 10: Operation

    4. OPERATION Being a communication device, Model 840 will operate with user intervention based on signals received from a Curtis Model 1297 motor controller. Upon initial power-up, the instrument will go through a self-diagnostic routine in which all display elements will be illuminated for 1 second and then blanked for 1 second.
  • Page 11: Troubleshooting

    5. TROUBLESHOOTING For any deviation in operation as described in Section 4, verify model number to ensure that the voltage rating of the unit matches the power supply and check connector seating for full engagement.
  • Page 12: Maintenance

    6. MAINTENANCE Model 840 is not serviceable in the field. Units returned to the factory within the warranty period (see inside backcover) without damage will be replaced without charge.
  • Page 13 This guarantee is limited to repair or replacement F.O.B. our factory. There is no further warranty or implied representation, guarantee, promise or agreement as to any Curtis Instruments product and/or component. Curtis Instruments, Inc., cannot assume responsibility or accept invoices for unauthorized repairs to its products and/or components, even though defective.
  • Page 14 CURTIS INSTRUMENTS, INC. 200 Kisco Avenue, Mt. Kisco, NY 10549 Tel. (914) 666-2971 • FAX (914) 666-2188 53027 REV A 10/01...

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