F4-4LTC Four-Loop PID Temperature Controller Module Manual

This document details the F4-4LTC, an intelligent DL405 PLC module that combines four single-loop PID temperature controllers into one unit, accepting RTD or thermocouple inputs and providing solid-state relay outputs for heater or chiller control. It covers specifications, operation, alarm capabilities (including low/high/deviation alarms and heater burn-out detection), loop configuration via V-memory, and power budget considerations for DL405 systems.