TTM-I4N-PAB Temperature controllers TOHO

TTM-I4N-PAB Temperature controllers TOHO
Product Overview

The Toho TTM-i4N is a compact and versatile digital temperature controller designed for precise and reliable process temperature management. Suitable for a wide range of industrial applications — including heating, ovens, furnaces, and general process control — the TTM-i4N combines advanced control accuracy with simple operation and durable design.

Key Features & Specifications

Power Supply: 100–240 VAC, 50/60 Hz, 6 VA
Input Types:
- Thermocouple: K, J, R, T, N, S, B
- RTD: 3-wire Pt100 / JPt100
Control Outputs:
- OUT1: Relay contact (250 VAC, 3 A) or SSR drive output (12 V DC)
- Optional OUT2 / EV2 relay contact output (available on request)
Control Modes: PID (Type A, B, or FUZZY) and ON/OFF control
Display: Dual 4-digit LED display showing Process Value (PV) and Set Value (SV)
User Interface: Simple front panel with UP/DOWN keys, Function (F) key, and Menu (M) key
Memory: Non-volatile EEPROM retains all settings during power loss
Operating Conditions: 0–50 °C, 20–90% RH (non-condensing)
Storage Conditions: −25 to +75 °C, 5–95% RH
Weight: Less than 100 g
Certifications:
- EMC: EN61326-1
- Safety: EN61010-1 / UL61010-1

Functions & Operation

The TTM-i4N offers a user-friendly control interface through its digital keypad and dual display. It allows quick configuration of all control parameters and supports:

Auto-tuning (AT): Automatic optimization of PID parameters
Alarm/Event Outputs: Configurable EV1 and EV2 alarms (deviation, high/low limit, process deviation)
Timer and Dimming Control: Built-in timer and adjustable LCD brightness
Input/Output Monitoring: Real-time I/O status visualization
Error Indication: Automatic alarm messages for system faults or sensor failures