OVERVIEW

Official designation: Allen-Bradley 440G-TZS21UPLH (Guardmaster TLS-Z GD2 Series, Guard Locking Switch)

Role/Application: A power to lock solenoid interlock switch with solid state OSSD outputs and RFID sensing for machine guard safety interlocking up to PLe Cat 4.

KEY SPECS SUMMARY

Power: 24V AC/DC solenoid

Interfaces / Ports: 8 pin M12 connector

Indicators: PWR, CH1, CH2 LEDs

Operating Temp: -10 to 60 degrees C

Platform / Compatibility: TLS-Z GD2, PLe Category 4

Limit: 2 PNP safety, 1 PNP auxiliary outputs

Lifecycle: Active or mature, varies by model/revision

FREQUENTLY ASKED QUESTIONS

Technical Specifications:

Q: What is the maximum holding force rating of the guard locking mechanism on this switch?

A: The certified holding force Fzh is 2000 Newtons with a stainless steel actuator.

Wiring & Installation:

Q: What type of connector is used for the electrical wiring of this safety guard locking switch?

A: The electrical connection uses an 8 pin M12 quick disconnect micro connector.

Troubleshooting & Compatibility:

Q: What is the maximum output current for the solid state PNP safety and auxiliary contacts?

A: The maximum output current for each of the safety and auxiliary PNP contacts is 200 mA.

Replacement & Upgrades:

Q: Is this TLS-Z GD2 guard locking switch compatible with the older TLS-GD2 actuators?

A: No, the TLS-Z GD2 requires the fully flexible actuator with the integrated RFID target.