Curtis Computer 833 Model, High Voltage, Maximum Minimum, VDC 15.0 VDC 90 kΩ 30 kΩ, Key, Icon

Page 12

Table 1. Hour Meter Control Lines & Impedance Specifications

Model

Low Voltage

High Voltage

Min. Impedance

 

Maximum

Minimum

HRM+

HRM-

24 VDC

5.0 VDC

15.0 VDC

90 kΩ

30 kΩ

Table 2. Hour Meter Control Logic

Key

HRM

HRM

HRM

Hour

Icon

switch

(+)

(+)

(+)

meter

 

Off

x

x

x

Display only Steady

On

VH

x

x

On

Flashing

On

x

VH

x

On

Flashing

On

x

x

VH

On

Flashing

On

VL

VL

VL

Display

Flashing

 

or open

or open

or open

only

 

!

10

Image 12 Contents
Model Read Instructions CarefullySafety Instructions Table of Contents Model Encodement 833RB VvvvZzzz Technical Specifications Electrical Operating RangeOperating Current Relay Contact RatingsResolution Mechanical DisplayHardware Kit Panel CutoutTemperature EnvironmentalShock Installation Pin 8 = Battery +Pin 5 = Battery Pin 2 = KeyswitchPins 1, 2, 6 & 7 = Hour Meter Control + Pin 3 = Relay + Pin 4 = RelaySwitch Meter ModelHigh Voltage Maximum MinimumDischarge Adjustments SettingCurtis Model 833 Rear View Connections for Typical Model 833 Application Operation DisplayLCD Hour Meter Push-to-read Troubleshooting Problem Possible CausesMaintenance All specifications are subject to change Without notice Curtis INSTRUMENTS, INC Kisco Avenue, Mt. Kisco, NY 10549 Tel 666-2971 FAX 914