Temperature & Process Control

AL808

Name: AL808 Process Controller
Brand: ALTEC
SKU: AL808

Process Controller

The AL808/AL809 process controller provides PID auto-tuning, configurable input ranges and segmented output-power limiting for temperature, pressure, flow, level and humidity loops.

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Key Specifications

Series models: AL808, AL809, AL810 and AL830
Communication: Optional RS232, RS422 and RS485
Options: Ramp/soak program, soft output, PV/SV transmission, remote setpoint and print record
Process variables: Temperature, pressure, flow, level and humidity

Technical Detail

Technical Details

Structured technical reference

The AL808 / AL809 / AL810 / AL830 series is an industrial PID process controller family. Model selection is based on panel size, main output, auxiliary output, alarm, communication and optional functions.

The detail below is modeled as maintainable sections for model coding, wiring, dimensions, specifications and documents, so engineering and purchasing users can check fit quickly.

Model coding Wiring Dimensions Specifications Documents

Model coding

A purchase model is normally confirmed by basic model, panel size, OUT1, OUT2, ALARM1, communication and options.

ItemDescription

Basic model: AL808, AL809, AL810, AL830
Panel size: Blank, D, E, M, A, B for different panel size formats
OUT1 / OUT2: 0 no output, R relay, L logic, T single-phase zero-cross SCR trigger, 3T three-phase zero-cross SCR trigger, D continuous current output
ALARM1: 0 no alarm, R relay alarm output
Communication: 0 none, 232, 422, 485
Options: QP4 / QP8 / QP16 / QP32 program control, Rem remote setpoint, Pvtr PV transmission, Svtr SV transmission, Prt printing, Clk real-time clock

Panel and dimensions

AL808 front panel reference — Front panel display and keys

AL808 dimension drawing — Outline and cutout dimensions

Wiring reference

Terminal assignments vary by enclosure and output option. Confirm the final wiring against the manual for the selected model.

AL808 standard wiring diagram — AL808 standard wiring

AL808D / AL808E wiring diagram — AL808D / AL808E wiring

AL808A / AL808B wiring diagram — AL808A / AL808B wiring

AL808 single-phase SCR trigger wiring — Single-phase SCR trigger

AL808 three-phase SCR trigger wiring — Three-phase SCR trigger

Key specifications

ItemDescription

Measurement accuracy: ±0.2% FS + 1 digit
Sampling period: 125 ms
Input signals: Thermocouple J, K, E, R, S, T, B, N; RTD Pt100, Cu50; linear current and voltage inputs
Output modes: Relay, SSR logic, SCR zero-cross trigger, SCR phase-angle trigger and analog output
Control algorithm: Advanced PID with auto-tuning, manual/automatic control and optional program control
Communication: Optional RS-232 / RS-422 / RS-485
Operating environment: 0-50°C, <=85% RH, non-condensing