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- IC670CHS101
- I/O Terminal Block
- USA
- 165 × 139 × 50 mm
- 0.49 kg
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Product Overview
The GE IC670CHS101 I/O Terminal Block is a modular field-wiring and signal termination component used in compatible GE industrial automation systems. It provides an organized physical interface for connecting field wiring with the associated I/O architecture.
In industrial control applications, terminal blocks are essential for maintaining reliable connections between controllers, I/O equipment, sensors, switches, actuators, and other field devices. A properly installed terminal block provides a defined connection point that can simplify commissioning, inspection, troubleshooting, and future maintenance.
The supplied product information identifies the GE IC670CHS101 as an I/O Terminal Block, with dimensions of 165 × 139 × 50 mm and a weight of 0.49 kg.
Product Information
- Manufacturer: GE
- Product Family: Industrial Automation / I/O
- Model: IC670CHS101
- Product Type: I/O Terminal Block
- Dimensions: 165 × 139 × 50 mm
- Weight: 0.49 kg
- Application: Industrial Automation
- System Role: I/O Field Wiring and Termination
The IC670CHS101 should be installed only within a compatible I/O system and according to the applicable system wiring arrangement. Before commissioning, verify the associated I/O hardware, terminal assignments, signal types, voltage levels, and field-device connections.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | GE |
| Model Number | IC670CHS101 |
| Product Type | I/O Terminal Block |
| Dimensions | 165 × 139 × 50 mm |
| Weight | 0.49 kg |
| Application | Industrial Automation |
| System Role | I/O Wiring and Termination |
| Installation | Industrial Control Cabinet |
| Function | Field Signal Connection |
| Maintenance | Wiring / Inspection / Troubleshooting |
The dimensions and weight listed above are based on the product information supplied.
Function and Working Principle
The IC670CHS101 provides a structured termination point for field wiring associated with compatible I/O equipment.
A simplified input signal path can be represented as:
Field Sensor / Switch
↓
Field Wiring
↓
IC670CHS101
↓
I/O Module
↓
Controller
↓
Control Logic
For output circuits, the signal path operates in the opposite direction:
Controller
↓
I/O Module
↓
IC670CHS101
↓
Field Wiring
↓
Actuator
The terminal block itself is primarily a physical wiring and termination component. The actual signal processing and control functions are performed by the associated I/O hardware and controller.
Role in Industrial Control Systems
A terminal block creates an organized boundary between control-system hardware and field wiring.
A representative automation structure is:
Field Devices
↓
Field Wiring
↓
IC670CHS101
↓
I/O Hardware
↓
PLC / Controller
↓
Application Logic
↓
Output I/O
↓
IC670CHS101
↓
Actuators
This structure helps technicians identify field circuits and simplifies access during commissioning and maintenance.
A clearly organized terminal arrangement is particularly useful on industrial machines with a large number of sensors, switches, solenoids, contactors, and other field devices.
Industrial Applications
Machine Automation
The IC670CHS101 can be incorporated into compatible industrial machine control systems for organized I/O field termination.
Manufacturing Equipment
Manufacturing systems can use structured terminal connections to simplify field wiring between production equipment and automation controllers.
Packaging Systems
Packaging machines often contain numerous discrete signals. Organized terminal connections make installation and troubleshooting more manageable.
Material Handling
Conveyors, transfer systems, sorting equipment, and other material-handling machines can use structured I/O wiring architectures.
OEM Machinery
OEM machine builders can use modular terminal arrangements to standardize cabinet wiring across different machine configurations.
Process Equipment
Industrial process equipment can use terminal blocks to organize field signals between instruments and control-system I/O.
Installation Guide
1. Confirm the Product Model
Before installation, verify:
GE IC670CHS101
I/O Terminal Block
Check the complete model number before installing the component.
2. Review the System Architecture
Identify all equipment associated with the terminal block.
Review:
- I/O modules
- Controller
- Field devices
- Field power supplies
- Input circuits
- Output circuits
- Terminal assignments
- Wiring diagrams
- Control-system configuration
A complete understanding of the system reduces the risk of incorrect wiring.
3. Verify Electrical Requirements
Before connecting any field circuit, verify:
- Voltage
- Current
- Signal type
- Polarity where applicable
- Common connections
- Field power
- Grounding arrangement
- Associated I/O channel
Do not connect an unknown field circuit until its electrical characteristics have been identified.
4. Back Up Existing Documentation
Before modifying an existing control cabinet, preserve:
- Wiring diagrams
- Terminal schedules
- I/O lists
- Controller configuration
- Field-device identification
- Cable labels
- Existing maintenance records
This information is particularly valuable when replacing an existing terminal block.
5. Place the System in a Safe State
Before installation:
- Stop automatic machine operation.
- Place the process in a safe condition.
- Identify all affected circuits.
- Isolate electrical power where required.
- Follow approved lockout/tagout procedures.
- Verify that hazardous energy has been controlled.
6. Inspect the IC670CHS101
Before installation, inspect the terminal block for:
- Cracked housing
- Damaged terminals
- Bent contacts
- Corrosion
- Contamination
- Mechanical impact
- Loose hardware
Do not install visibly damaged equipment.
7. Check Cabinet Clearance
The supplied dimensions are:
165 × 139 × 50 mm
Additional cabinet space should be provided for:
- Field wiring
- Cable bend radius
- Terminal access
- Adjacent modules
- Maintenance
- Ventilation
The product dimensions should not be treated as the total installation clearance.
8. Install the Terminal Block
Install the IC670CHS101 in the appropriate position within the compatible I/O system.
Check:
- Correct orientation
- Proper alignment
- Secure mounting
- Terminal accessibility
- Mechanical clearance
Avoid excessive force when installing or connecting the terminal block.
9. Connect Field Wiring
Connect each field circuit according to the approved wiring documentation.
For every connection, verify:
- Terminal number
- Device identification
- Wire identification
- Signal type
- Voltage
- Polarity
- Common connection
Tighten connections according to the applicable installation requirements.
10. Label Connections
Clearly identify connected field circuits.
Useful information includes:
- Device tag
- I/O address
- Terminal number
- Signal description
- Cable number
- Voltage level
Good labeling significantly reduces troubleshooting time.
Commissioning Procedure
Step 1 — Visual Inspection
Inspect the IC670CHS101 and all associated wiring.
Step 2 — Verify Terminal Assignments
Compare actual wiring against the approved wiring documentation.
Step 3 — Inspect Connections
Verify that all field connections are secure.
Step 4 — Verify Electrical Characteristics
Confirm signal voltage, polarity, and signal type.
Step 5 — Check Field Power
Verify the applicable field power supplies.
Step 6 — Check I/O Hardware
Confirm normal operation of the associated I/O equipment.
Step 7 — Test Input Circuits
Activate input devices individually and verify the expected controller indication.
Step 8 — Test Output Circuits
Command outputs under controlled conditions and verify field-device response.
Step 9 — Inspect for Abnormal Conditions
Check for:
- Unexpected voltage
- Loose wiring
- Abnormal heating
- Incorrect signal behavior
- Intermittent connections
Step 10 — Return to Operation
Return the machine or process to normal operation after successful commissioning.
Troubleshooting Guide
Problem 1: Input Signal Is Missing
Possible causes include:
- Incorrect terminal
- Loose wiring
- Open circuit
- Failed field sensor
- Incorrect signal voltage
- I/O module problem
- Configuration problem
Diagnostic Procedure
- Verify the field device.
- Check field wiring.
- Inspect the IC670CHS101 terminal.
- Verify the expected signal.
- Check the associated I/O channel.
- Compare the actual wiring with documentation.
Problem 2: Output Device Does Not Respond
Possible causes include:
- Incorrect terminal assignment
- Loose connection
- Missing field power
- I/O channel fault
- Wiring problem
- Failed actuator
- Incorrect control logic
Trace the output path:
Controller → I/O Module → IC670CHS101 → Field Wiring → Actuator
This identifies the section requiring further investigation.
Problem 3: I/O Signal Is Intermittent
Possible causes include:
- Loose terminal
- Damaged conductor
- Vibration
- Corrosion
- Poor electrical connection
- Electrical interference
- Unstable field power
Inspect the entire signal path before replacing the terminal block.
Problem 4: Several I/O Channels Fail Together
Multiple simultaneous channel failures should first be investigated as a common-system problem.
Check:
- Field power
- Common wiring
- I/O module
- Controller
- Terminal connections
- Shared electrical circuits
If several channels fail at exactly the same time, a shared component is often a more likely starting point than multiple independent terminal failures.
Problem 5: Input Remains Permanently ON
Possible causes include:
- Shorted field wiring
- Incorrect wiring
- Incorrect common connection
- Failed field device
- I/O channel problem
- Incorrect configuration
Measure the field signal and compare it with the expected device state.
Problem 6: Input Remains Permanently OFF
Check:
- Field-device operation
- Field power
- Wiring continuity
- Terminal connection
- Signal voltage
- I/O channel
- Controller configuration
Determine whether the signal is missing at the terminal block or whether it is present but not being recognized by the I/O system.
Problem 7: Output Remains ON
Possible causes include:
- Controller logic
- Output-channel problem
- Incorrect wiring
- Short circuit
- Field-device fault
- Incorrect terminal assignment
First determine whether the controller is commanding the output. Then inspect the electrical path.
Problem 8: Terminal Connection Is Overheating
Abnormal heating may indicate:
- Loose connection
- Excessive current
- Incorrect wire size
- High-resistance contact
- Wiring error
- Damaged terminal
If abnormal heating is detected, stop the affected circuit when safe to do so and identify the cause before continued operation.
Problem 9: Fault Appears After Wiring Changes
Check:
- Terminal numbers
- Wire identification
- I/O addresses
- Polarity
- Common connections
- Signal voltage
- Controller configuration
Compare the new configuration against the previous known-good condition.
Problem 10: Replacing the Terminal Block Does Not Resolve the Fault
If replacing the IC670CHS101 does not correct the problem, inspect:
- Field device
- Field wiring
- I/O module
- Field power
- Controller
- Configuration
- Common connections
The terminal block may not be the actual source of the problem.
I/O Diagnostic Strategy
A reliable troubleshooting approach is to follow the physical signal path.
For inputs:
Field Device
↓
Field Wiring
↓
IC670CHS101
↓
I/O Module
↓
Controller
For outputs:
Controller
↓
I/O Module
↓
IC670CHS101
↓
Field Wiring
↓
Actuator
This method prevents technicians from replacing components without first identifying where the signal is actually being lost.
Wiring Inspection Procedure
Input Wiring
For an input circuit:
- Identify the field device.
- Verify field power.
- Inspect the field wiring.
- Check the IC670CHS101 terminal.
- Measure the expected signal where appropriate.
- Check the I/O channel.
- Verify controller status.
Output Wiring
For an output circuit:
- Verify the controller command.
- Check the I/O channel.
- Inspect the terminal connection.
- Verify field power.
- Check field wiring.
- Test the actuator.
Terminal Block Replacement Procedure
Phase 1 — Preparation
- Confirm GE IC670CHS101.
- Verify the replacement part.
- Record all terminal assignments.
- Back up wiring documentation.
- Photograph the existing wiring where appropriate.
- Label unidentified conductors.
- Place the machine in a safe state.
Phase 2 — Removal
- Stop the system.
- Isolate applicable power.
- Verify safe conditions.
- Document existing connections.
- Disconnect field wiring.
- Remove the existing terminal block.
Phase 3 — Installation
- Inspect the replacement IC670CHS101.
- Verify the model number.
- Install it in the correct position.
- Secure the terminal block.
- Reconnect field wiring.
- Verify each connection individually.
Phase 4 — Verification
- Check terminal tightness.
- Verify polarity.
- Check signal voltage.
- Verify I/O channel assignments.
- Inspect cable routing.
- Compare wiring against documentation.
Phase 5 — Commissioning
- Restore power.
- Check system status.
- Test input circuits.
- Test output circuits.
- Verify field-device operation.
- Monitor the system under normal operating conditions.
Preventive Maintenance
| Maintenance Item | Recommended Action |
|---|---|
| IC670CHS101 | Inspect physical condition |
| Terminal Connections | Check security and condition |
| Field Wiring | Inspect for damage |
| Wire Labels | Verify identification |
| Field Power | Check stability |
| I/O Modules | Review diagnostic status |
| Cabinet | Keep clean and dry |
| Grounding | Verify system arrangement |
| Wiring Documentation | Keep updated |
| Field Devices | Verify operation |
| Terminals | Inspect for corrosion |
| System Diagnostics | Record recurring problems |
Environmental Considerations
Temperature
Maintain the terminal block within the environmental conditions appropriate for the complete control system.
Dust
Prevent excessive dust accumulation around terminals and cabinet components.
Moisture
Protect the terminal block from condensation and excessive humidity.
Vibration
Continuous vibration can gradually loosen mechanical connections.
Electrical Interference
Route sensitive I/O wiring appropriately and maintain suitable separation from high-current circuits and major electrical noise sources.
Common Installation Mistakes
Incorrect Terminal Assignment
Always compare each connection with the approved wiring diagram.
Loose Field Connections
A loose terminal can cause intermittent signals and localized heating.
Incorrect Polarity
Where polarity is required, verify the positive and negative connections before energizing the circuit.
Incorrect I/O Channel
Connecting a field device to the wrong terminal can cause incorrect machine behavior even when the wiring is electrically sound.
Poor Wire Identification
Unlabeled wiring makes future maintenance more difficult and increases the possibility of reconnection errors.
Insufficient Cabinet Clearance
The IC670CHS101 measures 165 × 139 × 50 mm, but additional room is required for wiring and maintenance.
Replacing Hardware Without Testing the Circuit
An I/O fault does not necessarily mean that the terminal block has failed. The field device, wiring, I/O module, power supply, or controller may be responsible.
Key Advantages
- Provides structured field-wiring termination
- Supports organized I/O connections
- Simplifies field-device wiring
- Facilitates maintenance and inspection
- Supports modular industrial automation architectures
- Provides a defined termination point for field circuits
- Suitable for machine-control applications
- Suitable for manufacturing equipment
- Suitable for OEM automation systems
- Dimensions of 165 × 139 × 50 mm
- Weight of 0.49 kg
Technical FAQs
What is the GE IC670CHS101?
The GE IC670CHS101 is an I/O Terminal Block used as a field-wiring and termination component within compatible GE industrial automation systems.
What is the main function of IC670CHS101?
Its primary function is to provide an organized termination point for field wiring associated with compatible I/O equipment.
What are the dimensions of IC670CHS101?
The supplied dimensions are 165 × 139 × 50 mm.
What is the weight of IC670CHS101?
The supplied weight is 0.49 kg.
Can IC670CHS101 cause an I/O fault?
Yes. Loose, damaged, corroded, or incorrectly connected terminals can interrupt or distort field signals.
Why is an input not detected by the controller?
Check the field device, wiring, IC670CHS101 connection, signal voltage, associated I/O channel, and controller configuration.
Why does an output not activate the field device?
Check the controller command, I/O channel, terminal connection, field power, field wiring, and actuator.
Why are multiple I/O points failing?
Investigate common power supplies, common wiring, associated I/O hardware, and controller status before replacing individual components.
Why is an I/O signal intermittent?
Loose connections, damaged wiring, vibration, corrosion, unstable power, and electrical interference can all contribute to intermittent operation.
Can a loose terminal cause heat?
Yes. A high-resistance connection can generate localized heat, particularly when significant current flows through the connection.
Should the terminal block be replaced immediately after an I/O fault?
No. First trace the signal path and verify the field device, wiring, terminal connection, I/O hardware, power, and controller.
What should be documented before replacing IC670CHS101?
Record terminal assignments, field-device connections, I/O addresses, wire identification, and applicable wiring documentation.
How should an IC670CHS101 fault be diagnosed?
Trace the affected signal from the field device through the field wiring and IC670CHS101 to the I/O module and controller.
Conclusion
The GE IC670CHS101 I/O Terminal Block is a field-wiring and termination component for compatible industrial automation systems. The supplied product information specifies dimensions of 165 × 139 × 50 mm and a weight of 0.49 kg.
Reliable operation depends on correct terminal assignments, secure wiring, appropriate electrical connections, proper I/O configuration, and suitable environmental conditions.
During installation, technicians should verify the complete I/O architecture, document terminal assignments, inspect every connection, and confirm signal characteristics before energizing the system.
When troubleshooting an I/O problem, tracing the complete signal path is the most effective approach. Starting with the field device and progressing through the wiring, IC670CHS101, I/O hardware, and controller helps distinguish terminal faults from problems elsewhere in the automation system.
Proper installation, accurate documentation, preventive inspection, and systematic troubleshooting can improve maintenance efficiency and reduce unnecessary replacement of industrial automation components.