Manufacturer: Omron
Product No.: G9SX-EX401-RT
Country of origin:Japan
Product Type: Safety Relay Expansion Modules
Payment: T/T, Western Union
Weight: 1500g
Shipping port: Xiamen
Warranty: 12 months
Integrating directly into master safety architectures, the Omron G9SX-EX401-RT expansion module expands the output capabilities of standard safety systems by providing additional instantaneous relay channels. Operating on a 24 VDC supply, this unit features 4 instantaneous safety outputs and 1 auxiliary feedback output, allowing industrial automation systems to scale safety-related control circuits without compromising response speed or diagnostic visibility. Designed with robust screw terminals, it ensures high vibration resistance and secure wiring connections in demanding industrial environments.
| Parameter | Specification Value |
|---|---|
| Manufacturer | Omron |
| Model Code | G9SX-EX401-RT |
| Series | G9SX Series |
| Device Type | Flexible Safety Expansion Unit |
| Rated Supply Voltage | 24 VDC |
| Operating Voltage Range | -15% to 10% of rated supply voltage |
| Rated Power Consumption | 2 W maximum |
| Safety Relay Outputs | 4 instantaneous outputs (DPST-NO x 2) |
| Auxiliary Outputs | 1 auxiliary semiconductor output |
| Rated Load | 250 VAC, 3 A / 30 VDC, 3 A (resistive load) |
| Rated Carry Current | 3 A |
| Operating Time (OFF to ON) | 30 ms maximum |
| Response Time (ON to OFF) | 10 ms maximum |
| Mechanical Durability | 5,000,000 cycles minimum (switching frequency: 7,200 cycles/hour) |
| Electrical Durability | 100,000 cycles minimum (rated load, switching frequency: 1,800 cycles/hour) |
| Terminal Type | Screw terminals |
| Product Net Weight | 0.165 kg |
| Shipping Weight (Calculated) | 1.50 kg |
This expansion unit must always be matched with a master G9SX unit (e.g., G9SX-AD or G9SX-ADA series). It cannot operate as a standalone safety relay. When replacing older Omron safety expansion modules, verify terminal footprints; the RT model features screw terminals, which differ from spring-cage (RC) variants.
When calculating the safety integrity level (SIL) and performance level (PL) for your safety loop, remember to add the 10 ms maximum response time of the expansion unit to the response time of your master G9SX unit. Ignoring this cumulative propagation delay can lead to insufficient safety distances for light curtains and emergency stop stations.
Ensure that the cross-unit connection cable is fully locked into place on both sides before applying 24 VDC control power. Powering the system up with a loose or partially inserted communication bus connector will cause the master module to enter a critical system fault mode, requiring a full power cycle to reset.
Global Express Shipping
Returns & Warranty
Global Express Shipping
Returns & Warranty
Orders are processed and delivered Monday-Friday (excluding public holidays).
For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .
| Country of origin |
Japan
|
A field-first diagnostic sequence for 1756-OF4 analog output problems: channel mode, removable terminal block, scaling, and controlled electrical checks.
A direct comparison of 1746-OA8 and 1746-OA16 output count, common grouping, backplane current and temperature-derated load limits.
A field checklist for recording the 1761-NET-DNI hardware series, firmware, EDS file, DF1 settings, DeviceNet address and messaging configuration before replacement.
The EL3062 is a 0–10 V EtherCAT terminal. The EL3062-0030 is a 0–30 V variant. This checklist covers identification, scaling and commissioning.
A field checklist for replacing Allen-Bradley 1769-OW8 relay output modules without losing load-group, wiring, and commissioning details.
A field checklist for matching PLC digital and analog I/O to sensors, loads, commons, isolation groups, filters, and replacement settings.
