Overview
The Honeywell 30754975-503 servo plate assembly is a genuine OEM replacement module designed for Honeywell Truline DR4500 and DR45AT 12-inch circular chart recorders. This servo plate assembly is built exclusively for DR4500 Truline 12-inch circular chart recorders, serving as the driving mechanism that controls pen motion and chart synchronization. The Honeywell 30754975-503 is a servo-plate assembly replacement module designed for the TRULINE circular chart recorder series and serves to restore or upgrade the servo-mechanism that drives the chart-pen motor for accurate process recording.
Key Features
- Direct-Fit Replacement: Designed specifically for TRULINE/DR45AT/DR4500 series circular chart recorders to ensure compatibility
- Servo-Plate Mechanism: Replaces worn or malfunctioning pen drive components—motor, gear, plate—for accurate chart control
- Multi-Pen Support: Suitable for single-pen or dual-pen models of the chart recorder family
- High-Precision Motion Control: Maintains chart timing, pen alignment and drive stability for accurate process data logging
- Simplified Installation: Enables field-replacement of the drive assembly without full recorder removal or re-calibration of inputs
- OEM Quality: Genuine Honeywell part intended to match original recorder performance and durability
Technical Specifications
The servo plate assembly is engineered for use in circular chart recording systems where precise pen positioning and chart advance control are critical to data integrity.
- Application: Replaces worn pen drive mechanism in chart recorders
- Includes: Mechanical drive plate, motor/gear components, servo control electronics
- Function: Controls pen motion, chart timing, and input signal synchronization
- Weight: Approximately 1.11 lbs
- Form Factor: Plug-in module assembly
Typical Applications
The 30754975-503 is part of Honeywell’s TRULINE service parts range, intended for the 12-inch circular chart recorders in the DR45AT/DR4500 family. Common uses include:
- Process monitoring and control in industrial facilities
- Temperature, pressure, and flow rate recording
- Legacy data logging in manufacturing and utilities
- Retrofit and maintenance of existing Truline recorder installations
Compatibility & Replacements
Compatible With
- Honeywell Truline DR4500 12-inch circular chart recorder
- Honeywell Truline DR45AT 12-inch circular chart recorder
- Single-pen recorder models (Truline series)
- Dual-pen recorder models (Truline series)
Replaces / Drop-In Replacement For
- Original Honeywell 30754975-503 servo plate assemblies in worn or damaged condition
- Malfunctioning pen drive mechanisms in DR4500/DR45AT recorders
- Serves as OEM replacement when servo plate must be removed for service
Works With
- Honeywell Truline circular chart recorder analog input channels
- Mechanical chart advance systems (motor-driven)
- Single and multi-channel process monitoring configurations
- Legacy industrial control and data acquisition systems
