Instrumentation 700 Series Modules

Product catalog summary

Description: Curtis Solid-State Module Assemblies are designed for OEM applications, offering a variety of AC & DC meter assembly modules suitable for PC board mounting. These modules include single-function displays for counters or hour meters, dual-channel displays for maintenance/hour meters or trip odometers, and single-channel odometer configurations.

Applications: The modules are versatile and can be used in industrial, agricultural, military vehicles, vending machines, medical equipment, and more. They are ideal for monitoring equipment usage, scheduling maintenance, and validating warranties.

Features:

Includes hour meters, counters, odometers, and maintenance monitors.
Solid-state circuitry ensures silent operation and reliability.
High precision and easy-to-read LCD displays.
Compact designs with high-quality components.
Wide range of operating voltages and noise protection.
OEM compatibility with customizable options.
Distinctive icons and backlighting available.
EEPROM memory for data retention up to 25 years without power.
Manufactured under ISO 9001 Certified Quality Management System.

Model Coding: The 700 series includes models 700, 701, 703, 708, 720, and 721, each with specific configurations for digit height, reset control, functions, voltage, and backlight options.

Specifications:

Displays range from 6-digit to 7-digit with various resolutions for hour meters, counters, and odometers.
Accuracy varies by model, with hour meters at ±0.1% and counters at ±1 count.
Operating temperature ranges from -40°C to +85°C, with storage from -50°C to +85°C.
Memory requires main power for activation, with EEPROM data retention for 25+ years.
Input signals vary by model, with specific requirements for DC and AC/DC configurations.
Reset procedures require specific power application times and frequencies.

Notes: Modules are supplied with exposed components, requiring user precautions for protection. Proper mechanical support and soldering techniques are necessary to prevent damage.

Overview: This document provides technical specifications and guidelines for the 700 Series models, including models 700, 701, 703, 708, 720, and 721. It covers module dimensions, current consumption, operating voltage, and wiring instructions.

Specifications:

Module Dimensions: Dimensions are provided in millimeters for various models, with specific measurements for 5mm and 7mm displays. Tolerances are generally ±0.25 mm unless otherwise noted.
Current Consumption: Varies based on model and backlight configuration. Non-backlight models have lower current consumption compared to internal backlight models.
Operating Voltage: External or non-backlight models operate at 5-12 VDC, 12-48 VDC, 48-150 VDC, and 100-230 VAC. Internal backlight models operate at 12 VDC only.

Wiring Guide:

Pin Assignments:
- P (J2): V+
- N (J3): V- (common)
- I (J4): Enable V+ for elapsed time activation or count increment (optional on some models)
- R (J5): Reset V+ to reset count/elapsed time (optional on some models)
- L (J1): Illumination Control - 12 VDC only, applicable to external backlight units

Additional Notes: