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Temperature & Process Control

AL830

Temperature Controller

The AL830 is a three-phase SCR phase-angle controller for high-power electric furnaces, rectifier regulation and industrial three-phase voltage-control systems.

Key Specifications

Input
Thermocouple, RTD, mV and standard signals
Sampling period
125 ms
Alarm modes
High, low, deviation and power-on alarm suppression modes
Communication
RS232 and RS485

Technical Detail

Technical Details

Structured technical reference

The AL830 is an industrial three-phase SCR phase-angle controller for high-power electric furnaces, rectifier regulation and industrial three-phase voltage-control systems.

This page splits the legacy rich HTML into model coding, dimensions, mounting, three-phase wiring, typical power circuits and specifications for fast engineering review.

Model coding

The AL830 purchase model is normally confirmed by optional functions. Confirm communication and special requirements during quotation.

ItemDescription
Basic model
AL830 three-phase SCR phase-angle controller
Options
QP4, QP8, QP16 and QP30 program control; So soft output; Svtr / Pvtr transmission; Rem remote setpoint; Prt print record
Model example
AL830/QP8 indicates a three-phase phase-angle controller with 8-segment program control

Panel, dimensions and mounting

AL830 front panel reference
Front panel display and keys
AL830 dimension drawing
Outline dimensions
AL830 mounting drawing
Mounting dimensions

Wiring and power circuits

Three-phase power wiring must be confirmed together with load type, SCR module and protection design. Do not wire from the web diagrams alone.

AL830 terminal wiring diagram
Terminal wiring
AL830 three-phase rectifier voltage-control wiring
Three-phase rectifier voltage control
AL830 single-phase SCR circuit
Single-phase SCR circuit
AL830 two-phase SCR circuit
Two-phase SCR circuit
AL830 bridge rectifier control circuit
Bridge rectifier control

Key specifications

ItemDescription
Input signals
Programmable thermocouple, RTD, mV and standard signal inputs, with input expansion according to application needs
Measurement accuracy
±0.2% FS ± 1 digit
Sampling period
125 ms
Control algorithm
PID control with auto-tuning and segmented output-power limiting
Alarm modes
High, low, high-deviation and low-deviation alarm modes, with power-on alarm suppression
Digital communication
Optional RS-232 / RS-485
Panel size
96 x 96 mm
Power supply
100-240 VAC, 50/60 Hz; 24 VAC/DC, 50/60 Hz
Operating environment
0-50°C, <=85% RH, non-condensing
Output mode
Three-phase SCR phase-angle trigger pulse output

Related technical documents

AL830 documentation is included in the AL808 / AL809 / AL810 / AL830 series manuals.