Mitsubishi NZ2GF2B2-16R Fieldbus Remote I/O Module

Model Code Breakdown

Product Positioning: CC-Link IE Field remote device station, block-type remote I/O with 16-point relay outputs. DIN rail mountable and supports Ethernet daisy-chain cascading.

2. Core Electrical Specifications

2.1 Output Load Parameters

Output Type: Passive mechanical relay contacts

Rated load per channel: AC240V / DC24V, 2A per point

Total common terminal current: 8A for 16-point common terminal

Output response time: Approx. 12ms (inherent relay actuation delay)

Common terminal specification: 16 points share one COM terminal (2-wire wiring)

2.2 Power Supply & Power Consumption

External power supply: DC24V (module main power supply)

Overall current draw: 0.19A @ DC24V

2.3 Physical Dimensions & Weight

Outline dimensions: W200mm × H50mm × D68mm

Weight: 0.45kg, fits standard 35mm DIN rail mounting

2.4 Network Features

Fieldbus: CC-Link IE Field (1Gbps Ethernet)

Station occupation: 1 station

Dual RJ45 ports: Support daisy-chain cascading, no switch required

Supported functions: Synchronous communication, fast disconnection recovery, automatic I/O parameter recognition, output hold/clear switching

TSN Compatibility: Toggle switch enables CC-Link IE TSN mode (compatible with iQ-R motion master stations)

2.5 Environmental Ratings & Certifications

Operating temperature: 0 ~ +55°C; Storage temperature: -25 ~ +75°C

Humidity: 5 ~ 95%RH, non-condensing

Certifications: Full industrial certifications including CE, UL/cUL, RoHS, marine classification society approvals (LR/DNV/ABS), KC, etc.

3. Terminal & Wiring Instructions
4. Network Interface: Dual RJ45 ports (P1 In, P2 Out) for daisy-chaining subsequent remote I/O modules via Ethernet cables
5. Power Terminals: DC24V and 0V power input
6. Address DIP Switch: Rotary knob for setting remote station numbers (0 ~ 63 stations)
7. I/O Terminals: 16-channel relay outputs (Y0 ~ Y15) with unified COM common terminal

Wiring Feature: Passive contacts compatible with AC220V solenoid valves, indicator lamps and contactor coils; non-polarized for both AC and DC loads.

4. Same Series Comparison (Screw vs Spring Terminals)

The two models deliver identical electrical performance; only terminal structures differ, making them mutually interchangeable.

5. Compatible Master Station PLCs
6. iQ-R Series: R04/R08/R16/R32 CPUs, RD77GF motion modules (supports synchronous control)
7. Q Series: Q03UDVCPU + QJ71GF11-T2 CC-Link IE master station
8. L Series: L06CPU + LJ71GF11-T2
9. Motion Controllers: MELIPC, MR-J5 servo CC-Link IE fieldbus systems
10. Typical Application Scenarios
11. Remote drive of distributed solenoid valves and indicator lamps on production lines (compatible with AC220V loads)
12. Long-distance I/O expansion for packaging machinery and logistics sorting lines
13. Cabinet-split I/O for shipbuilding and construction machinery (marine classification certified)
14. Production line retrofits: Deploy distributed remote outputs over existing Ethernet wiring to reduce control cabinet cabling
15. Model Selection & Alternative Solutions

7.1 Direct Functionally Equivalent Replacement

Spring terminal variant: NZ2GF2S2-16R (fast wiring, screwdriver-free)

7.2 Alternatives for Higher Current Loads

For higher driving current requirements (transistor type): NZ2GF2B1-16T (DC24V transistor, 0.5A per point)

7.3 Legacy CC-Link Fieldbus Replacement (Non-Ethernet)

Legacy CC-Link (non-Gigabit IE) remote relay output module: AJ65SBTB2N-16R (incompatible fieldbus protocol, cannot be directly substituted)

8. Critical Usage Precautions (Hard Restrictions)
9. Relay outputs are prohibited from driving inductive loads exceeding 2A per point; surge suppressors must be paralleled with contactors and solenoid valves
10. Industrial shielded Cat5e/Cat6 Ethernet cables are mandatory for fieldbus daisy-chaining; single link total length ≤ 100m
11. An RC snubber circuit is recommended across contacts for AC inductive loads to extend relay service life
12. The module only accepts DC24V main power supply; load voltage on the I/O side is independent and shall not share ground with the module power supply
13. iQ-R series master stations are mandatory for synchronous motion control applications; Q series does not support fieldbus synchronization

Full Application Scenarios of Mitsubishi NZ2GF2B2-16R

Core Applicability Preconditions

This module features 16-point passive dry relay contact outputs, rated 2A per channel at AC240V/DC24V. As a CC-Link IE Field Gigabit Ethernet remote I/O module, it supports Ethernet daisy-chain cascading, universal AC/DC load compatibility and strong isolation between high/low voltage circuits. It is suitable for distributed control applications with scattered stations, long wiring distances, AC220V loads and infrequent switching cycles, and unsuitable for high-speed frequent switching loads.

1. Logistics Conveyance & Sorting Automation (Most Common Application)

Applicable Equipment

Belt conveyors, roller sorting lines, warehouse WCS systems, diverting/merging transfer machines, elevators, parcel scanning sorting stations

Controlled Loads

1. AC220V pneumatic solenoid valves (diverter baffles, lifting cylinders, pushers)
2. On-site station indicator lamps, fault alarm buzzers, 3-tier tower lights
3. Small conveyor motor contactors, turnout reversing valves

Selection Advantages

Production line stations are dispersed while the main control cabinet is centralized. Remote I/O modules connected via Ethernet replace numerous multi-core cables. One NZ2GF2B2-16R deployed per sorting station covers all cylinder and lamp outputs, drastically cutting cabling costs.

2. Packaging Machinery Industry

Applicable Equipment

Vertical/horizontal packaging machines, blow molding machines, filling lines, labeling machines, sealing machines, carton strapping machines, food dispensing production lines

Controlled Loads

1. AC220V pneumatic actuation solenoid valves, heat-sealing heating relays
2. Feed gates, cutter cylinders, pressing mechanisms
3. Equipment status indicator lamps, audio-visual alarms, reject devices

Selection Advantages

Filling and packaging workshops feature dust and humidity. Relay contacts provide superior high-voltage isolation and anti-interference performance compared to transistor outputs. CC-Link IE Gigabit communication delivers stable synchronization with zero delay for multi-station linkage.

3. Automotive Manufacturing Lines (Welding / Coating / Final Assembly)

Applicable Stations

Body welding fixtures, coating drying lines, door assembly stations, component loading/unloading tooling, auxiliary I/O for robot peripherals

Controlled Loads

1. AC220V clamping solenoid valves and positioning cylinders for welding fixtures
2. Coating air dampers, drying oven damper actuators, spray valves
3. Station safety indicator lamps, fault alarms, workpiece ejection mechanisms

Additional Compatibility Benefits

The module holds full marine certifications (LR/DNV/ABS) plus CE/UL approvals, meeting compliance standards for export automotive equipment. TSN-supported fieldbus enables synchronized linkage with robot servos when paired with iQ-R motion PLCs.

4. Machine Tools & Metalworking Equipment

Applicable Equipment

CNC lathes, machining centers, grinders, stamping presses, sheet metal bending machines, automated material warehouses

Controlled Loads

1. Lubrication pump and cooling water pump contactors (AC220V)
2. Pneumatic fixtures, door switch cylinders, chip removal solenoid valves
3. Machine operation panel indicator lamps, alarm horns, tool magazine locking mechanisms

Usage Notes

Machine tools generate heavy electromagnetic interference. Relay isolation prevents high voltage from leaking into the PLC. Remote sub-distribution boxes installed near machine tools reduce wiring routed from the main cabinet.

5. Food, Beverage & Pharmaceutical Production Lines

Applicable Equipment

Beverage filling lines, sterilization tunnels, pastry baking lines, pharmaceutical dispensing equipment, cleanroom conveyors

Controlled Loads

1. Cleanroom pneumatic valves, filling head cylinders, bottle positioning mechanisms
2. Cleaning spray solenoid valves, hot air circulation fan starters
3. Cleanroom status lamps, production line emergency stop alarm outputs

Environmental Compatibility

Wide operating temperature range of 0~55°C with non-condensing resistance suits high-temperature sterilization zones and low-temperature cold storage dispensing stations. Screw terminals resist oil contamination and simplify cleaning & maintenance.

6. Rubber, Plastic Extrusion & Injection Molding Equipment

Applicable Equipment

Automated pick-and-place robots for injection molding machines, extrusion lines, rubber vulcanization lines, pelletizers

Controlled Loads

1. Mold clamping solenoid valves, ejector cylinders, feed gate reversing valves
2. Temperature control fans, barrel auxiliary heater contactors
3. Robot safety warning lamps, fault audio-visual alarms
4. Marine & Port Maritime Equipment (Unique Certified Application)

Fully certified by marine classification societies, the module is engineered for distributed control on ship decks and in cargo holds:

1. Cargo hold valve control, ventilation fan startup/shutdown
2. Auxiliary cylinders and status indicator lamps for deck loading equipment
3. Remote output control for sub-control boxes of port quay cranes and container gantry cranes

Advantage

Marine systems feature mixed AC220V/DC24V power supplies. Passive relays are non-polarized and compatible with complex onboard power distribution systems.

8. HVAC, Water Treatment & Environmental Complete Equipment

Applicable Equipment

Wastewater treatment control cabinets, waste gas treatment units, central air conditioning units, activated carbon waste gas adsorption towers

Controlled Loads

1. Inlet/outlet electric valves, aeration fan contactors
2. Dosing pumps, drain solenoid valves, dust removal dampers
3. System fault alarms, running status indicator lamps

Application Feature

Equipment is located far from central control PLCs; discrete unit layout enables simple daisy-chain Ethernet wiring.

9. Small Custom Non-Standard Automation Equipment

Test fixtures, assembly tooling, battery inspection equipment, electronic component sorting machines:

Drives small DC24V cylinders and fixture clamping valves

Station indicator lamps and defective product ejection solenoid valves

Ideal for low-volume multi-station tooling; 16 output points fully cover all actuators on a single fixture.

Unsuitable Application Scenarios (Model Selection Pitfall Avoidance)

1. High-frequency switching loads (multiple on/off cycles per second): Mechanical relay contacts suffer short service life; select transistor output module NZ2GF2B1-16T instead
2. Pure DC24V high-speed servo and fast cylinder control
3. Emergency stop safety circuits and forced safety door cutoffs (special safety relay modules required)
4. Single-channel loads exceeding 2A, or unprotected large inductive loads without surge suppression circuits

Core Selection Judgment Mnemonic

Scattered field layout, long-distance wiring, AC220V solenoid/contactor driving demand, low switching frequency → Prioritize NZ2GF2B2-16R

Centralized control cabinet layout, frequent cylinder actuation, DC24V-only loads → Select transistor output modules