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Temperature & Process Control

AL810

Temperature Controller

The AL810 outputs single-phase SCR phase-angle trigger pulses for voltage regulation on resistive loads, inductive loads, transformer primaries and rectifier systems.

Key Specifications

Input
Thermocouple, RTD, mV and standard signals, with expandable input support
Accuracy
±0.2% FS ±1 digit
Communication
Optional RS232, RS422 and RS485
Program control
Optional 4, 8, 16 or 30-segment program control

Technical Detail

Technical Details

Structured technical reference

The AL810 is an industrial single-phase SCR phase-angle controller. It outputs phase-angle trigger pulses for resistive loads, inductive loads, transformer primaries and rectifier voltage-regulation systems.

This page organizes model coding, dimensions, mounting, terminal wiring, SCR trigger circuits and specifications for purchasing and engineering checks.

Model coding

The AL810 purchase model is normally confirmed by communication interface and optional functions.

ItemDescription
Basic model
AL810 single-phase SCR phase-angle controller
Communication
0 none, 232 RS-232, 422 RS-422, 485 RS-485
Program control
QP4, QP8, QP16 and QP30 options for 4 / 8 / 16 / 30-segment program control
Signal and record options
So soft output, Svtr SV transmission, Pvtr PV transmission, Rem remote setpoint and Prt print record
Model example
AL810/485/QP8 indicates a single-phase phase-angle controller with RS-485 communication and 8-segment program control

Panel, dimensions and mounting

AL810 front panel reference
Front panel display and keys
AL810 dimension drawing
Outline dimensions
AL810 mounting drawing
Mounting dimensions

Wiring and trigger circuits

SCR wiring depends on load type and module configuration. Confirm the manual and panel wiring design before field wiring.

AL810 terminal wiring diagram
Terminal wiring
AL810 SCR trigger circuit 1
Single-phase SCR trigger circuit
AL810 SCR trigger circuit 2
Single-phase voltage-regulation wiring reference

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
Single-phase SCR phase-angle trigger pulse output

Related technical documents

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