1.1 Key Features

• Universal Inputs: DC voltage, Thermocouple (TC), RTD, Digital Input (contact).

• Large VFD Display: Shows measured data, clock, and bargraph simultaneously.

• Multi-Channel Recording: Up to 4 channels (pen model).

• Universal Power Supply: 90–250 VAC, 50/60 Hz (except /P1 model).

• High Reliability: Contact-free potentiometer, brushless-DC motor.

• Easy Maintenance: Modular design, few wearing parts.

• Options: RS-422-A interface, IC memory card, remote control.

1.2 Function Summary

• Recording: Trend, Zone, Partial, POC (Pen Offset Compensation).

• Printout: Channel, List, Manual, Alarm, Periodic, Message.

• Alarms: High/Low limit, High/Low difference, Rate-of-change.

• Calculations: Difference, Linear scaling, Square root, MATH (optional).

2. BEFORE OPERATION

2.1 Handling Precautions

• Cleaning: Use a soft, dry cloth. Avoid benzene, thinner, or harsh chemicals.

• Static Electricity: Keep static-charged objects away from signal terminals.

• Insecticides: Do not expose front door/panel to volatile sprays.

• Malfunction: If unusual sounds/smoke occur, disconnect power immediately.

2.2 Unpacking

• Check all items against the packing list.

• Verify model code on the nameplate.

3. INSTALLATION

3.1 Mounting

• Panel Mount Only: Designed for installation in control panels.

• Panel Thickness: 2–26 mm.

• Cutout Dimensions: Refer to dimensional drawings.

3.2 Wiring

• Power: Connect to 90–250 VAC, 50/60 Hz.

• Inputs: Wire TC/RTD/DC signals to input terminals.

• Alarm Output: Connect relay contacts to external devices.

• Remote Control: Wire to CONT 1–5 terminals (optional).

4. OPERATION

4.1 Front Panel Keys

• MENU: Enter SET mode (press 3 seconds).

• ESC: Return to previous menu.

• UP/DOWN: Select menu items/values.

• RIGHT: Move cursor during data entry.

• ENT: Confirm selection/store settings.

4.2 Display Modes

• AUTO: Cycles through all channels.

• MAN: Displays a single selected channel.

• CLK: Shows date/time.

• Bargraph: Left-referenced (%) or Center-zero.

4.3 Basic Operations

• Start/Stop Recording: Press REC key.

• Load Chart Paper:

  1. Open front door.

  2. Insert chart paper into top hopper.

  3. Engage sprocket teeth with paper perforations.

  4. Close guides and door.

• Replace Pens/Ribbon: Open door, remove cassette, replace components.

5. SETTINGS

5.1 Mode Overview

• Operation Mode: Normal measurement/recording.

• SET Mode: Basic settings (range, alarm, clock).

• SET UP Mode: Initial settings (bargraph, temp unit).

5.2 Entering SET Mode

1. Press MENU for 3 seconds.

2. Select setting with UP/DOWN → press ENT.

3. Adjust value with UP/DOWN/RIGHT → press ENT.

4. Press MENU for 3 seconds to exit.

5.3 Common Settings

• Input Range: Set for each channel (mV, V, TC, RTD).

• Alarms: Set level, hysteresis, relay assignment.

• Clock: Set date (YY/MM/DD) and time (HH:MM:SS).

• Chart Speed: Select 5–1500 mm/h.

5.4 Entering SET UP Mode

1. Power on while holding ENT until “SET UP” appears.

2. Follow menu prompts → store settings before exiting.

6. MAINTENANCE

• Clean Front Door: Monthly with soft cloth.

• Replace Battery: Every 5 years (data backup).

• Calibration: Annual calibration with standard sources.

• Error Codes:

  • ERROR 011: Chart paper exhausted.

  • ERROR 040: Invalid reference channel.

  • ROM/RAM ERROR: System fault (contact service).

7. SPECIFICATIONS

• Channels: 1–4 (pen), 6–24 (dot).

• Input Ranges:

  • DC Voltage: 20 mV–20 V.

  • TC: B, K, R, S, N, T, E, J, L.

  • RTD: PT100, JPT100.

• Accuracy: ±0.1% of span (DC), ±0.15% (TC/RTD).

• Power Consumption: 30 VA (4-pen model).

8. OPTIONS

• RS-422-A Interface: PC communication.

• IC Memory Card: Data/setting storage.

• Remote Control: External start/stop, printout.

• Alarm Relay Outputs: 4–24 relays.