Part of the Omron DRT2 Smart DeviceNet I/O Units series — see the full model table, lifecycle status and replacement parts.
Omron DRT2-ROS16 — DeviceNet 16 Relay Output Slave
SKU: DRT2-ROS16USD 170.00
DRT2 Smart DeviceNet slave, 16 NO relay outputs, 3 A per point, screw terminals. In stock, China shipping.
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Product Overview
The Omron DRT2-ROS16 is a Smart DeviceNet slave with sixteen relay outputs on a screw terminal block It is manufactured by Omron Corporation. Hengyixin Automation stocks this relay in Xiamen and ships within 3-5 business days to most Asian, European, and North American ports. The slave sits on a DeviceNet network next to the machine it controls. A CJ1 / CJ2 / NJ master PLC writes the output bits over DeviceNet; the DRT2 energises sixteen DRTA-NY5W-K relays that switch loads up to 3 A at 250 VAC or 30 VDC. Smart Active Parts libraries on the NS HMI read operation counts and on-time straight from the slave without ladder code. Key specs: Output Type 16 relay outputs, normally open, plug-in DRTA-NY5W-K relays; Output Rating 3 A per point, 10 A per common, 250 VAC / 125 VDC max; Switching Capacity 750 VA AC max, 90 VDC DC max per relay; Network DeviceNet slave, 11-25 VDC communications power (from network); Current Draw 215 mA max at 24 VDC / 395 mA max at 11 VDC; Connection M3 screw terminal block, 1-wire I/O, detachable; Expansion XWT-ID08 / XWT-OD08 / XWT-ID16 / XWT-OD16 expansion.
Key Features
- 35 mm DIN rail mount, IP20, -10 to +55 degC
- 3 A per point, 10 A per common, 250 VAC / 125 VDC max
- DRT2-series Smart DeviceNet slave
- DRTA-NY5W-K plug-in relays, one-step field replacement
- SKU: DRT2-ROS16
- Series: DRT2-series Smart DeviceNet I/O slave
Best-Fit Applications
- Contactor control for a row of small pumps or fans in a process skid.
- Predictive-maintenance setup where operation counts flag relays nearing end of life.
- Replacing a hardwired relay panel on a retrofit that already runs DeviceNet.
Buying Checklist
- Choose DRT2-ID16 for 16 inputs if the panel needs to read field signals too.
- Choose DRT2-OD16 for 16 transistor outputs at 0.5 A if you only switch DC loads.
- Confirm the master PLC has a DeviceNet scanner module - CJ1W-DRM21 or CJ2 built-in port.
Technical Specifications
| Series | DRT2-series Smart DeviceNet I/O slave |
|---|---|
| Output Type | 16 relay outputs, normally open, plug-in DRTA-NY5W-K relays |
| Output Rating | 3 A per point, 10 A per common, 250 VAC / 125 VDC max |
| Switching Capacity | 750 VA AC max, 90 VDC DC max per relay |
| Network | DeviceNet slave, 11-25 VDC communications power (from network) |
| Current Draw | 215 mA max at 24 VDC / 395 mA max at 11 VDC |
| Connection | M3 screw terminal block, 1-wire I/O, detachable |
| Expansion | XWT-ID08 / XWT-OD08 / XWT-ID16 / XWT-OD16 expansion units via I/O link |
| Diagnostics | Operation counter, total on-time, supply voltage monitoring |
| Mounting | 35 mm DIN rail, IP20 housing, 125 x 50 x 51.8 mm, 260 g |
| Operating Temperature | -10 to +55 degrees C, 25-85 percent humidity (no condensation) |
FAQ for DRT2-ROS16
What relay fits inside the DRT2-ROS16?
The DRTA-NY5W-K is the replacement relay. It plugs into a socket on the DRT2 board, so swapping a failed relay takes seconds without unwiring. Order spares with the slave so a failed relay does not stop the line while you wait for parts.
Can the DRT2-ROS16 mix AC and DC loads on different outputs?
Yes - each relay output is independent, so you can wire some outputs to 24 VDC solenoids and others to 120 VAC indicator lamps from the same slave. Just stay within the 3 A per point and 10 A per common limits, and respect the 250 VAC / 125 VDC max contact voltage.
What master PLC works with the DRT2-ROS16?
Any Omron PLC with a DeviceNet scanner: CJ1W-DRM21 on CJ1 / CJ2, CS1W-DRM21 on CS1, or a built-in DeviceNet port on the NJ501-1500 / NX102 series. Configurable with CX-Integrator over USB or Ethernet - the EDS file is on the Omron Europe support site.
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