The NTRL02 family instruction documents connection to IMRIO02 Remote I/O Slave Modules and to NTCS04 Control Station Termination Units where analog output bypass or additional stations are required.
01
Overview
Product Introduction
NTRL02B is sourced as a revision-suffixed member of the NTRL02 fiber optic remote-link termination family. The manufacturer NTRL02 instruction describes the termination of IMRIO02 remote I/O slave links, local station connections and optional NTCS04 station expansion.
The accessible instruction is family-level and does not define what changed in the “B” suffix. Buyers should therefore match the full NTRL02B label, assembly revision and optical connector details rather than treating every NTRL02 marking as identical.
02
Verified manufacturer data
Technical Specifications
| Link medium | Multimode optical fiber |
|---|---|
| Documented fiber | 62.5/125 µm graded-index, 850 nm, 100 MHz·km |
| Maximum fiber attenuation | 3.3 dB/km |
| Maximum documented link length | 3 km (10,000 ft) with recommended cable |
| Receiver input range | −30 dBm minimum to −10 dBm maximum |
| Transmitter output | −15 dBm minimum |
| Optical connector family | Amphenol 905/906 SMArt as documented |
| Remote I/O connection | P1 to IMRIO02 module cable |
| Station connections | P2 to NTCS04 for analog bypass/additional stations; P3 for stations without analog bypass or digital indicators |
| Redundant-unit link | TB1 connects the station link between redundant NTRL02 units |
| Power | +24 VDC |
| Maximum current | 170 mA |
| Mounting | One position on NFTP01 Field Termination Panel |
| Operating temperature | 0 to 70 °C (32 to 158 °F) |
| Relative humidity | 0–95% to 55 °C; 0–45% at 70 °C, noncondensing |
| Atmosphere | Noncorrosive |
| Legacy certification stated | CSA certified for ordinary (nonhazardous) locations |
03
System fit
Compatibility & Revision Control
It also documents direct station connections without analog bypass and digital indicator station connections.
The “B” suffix is not defined in the accessible family manual. Confirm the complete label, board assembly, optical interface and cabinet drawing before replacement; no suffix interchange is assumed.
04
Maintenance context
Applications & Fault Scenarios
Remote cabinet offline
A remote I/O cabinet disappears from the link and optical power, fiber continuity, module cable and +24 V supply must be separated.
High optical loss
A link works intermittently after fiber work because connector contamination, bend loss or total attenuation exceeds the documented budget.
Station bypass issue
A control station does not retain the expected analog bypass behavior and the P2/NTCS04 topology needs review.
Suffix mismatch
A replacement is marked NTRL02 but the installed unit is NTRL02B, requiring assembly and connector verification before use.
05
Field practice
Fiber Link, Station Wiring & Maintenance
Protect the optical path
Keep caps fitted until connection, clean the fiber ends with the approved method and maintain bend radius. Never judge connector compatibility by diameter alone.
Confirm link direction
Trace transmit to receive between local master and remote slave ends. Record fiber identity before removal and verify optical level against the documented receiver range.
Review station topology
Use P2 when the documented NTCS04 analog-bypass or station-expansion arrangement is required; use P3 only for the specified non-bypass or indicator-station connection.
Maintain on a controlled interval
The manufacturer instruction calls for cleaning and connection checks at six-month intervals or during plant shutdown. Isolate power and apply ESD controls before board service.
06
Source record
Official Documentation
| Manufacturer | Document | Document no. / version | Link |
|---|---|---|---|
| Elsag Bailey | Fiber Optic Remote Link and Electrical Remote Link Termination Units (manufacturer-issued; archived copy) | I-E96-429A | Open document |
07
Order support
Amikon Service
Test scope and unit condition are confirmed before dispatch, with ESD-safe export packing. DOA, returns, warranty and after-sales support follow the quotation.
08
Product-specific answers
FAQ
What optical fiber is documented for NTRL02B family applications?
The family instruction specifies 62.5/125 µm graded-index multimode fiber at 850 nm, with the documented connector and attenuation limits.
What is the maximum documented link distance for NTRL02B?
The NTRL02 family instruction gives 3 km (10,000 ft) when the recommended cable and optical budget are met.
Does the NTRL02B suffix have a documented interchange rule?
Not in the accessible family instruction. Match the full suffix, assembly revision, optical connector and cabinet drawing before approving a spare.
How is NTRL02B connected to an IMRIO02 module?
The manufacturer architecture uses the P1 module-cable connection. The exact cable assembly must be taken from the installed documentation.
When is an NTCS04 used with NTRL02B?
The documented P2 arrangement uses NTCS04 for control stations requiring analog output bypass or for additional station connections.
What should an NTRL02B fault check cover?
Verify +24 V power and fuse condition, transmit/receive routing, optical cleanliness and level, fiber continuity, module cable and station-link wiring.
Request a quotation
NTRL02B RFQ
For an accurate offer and revision check, send the following five details. Add nameplate photographs and connected-module information when available.
Email the RFQ- Part Number
- Quantity
- Destination
- Required Date
- Machine/System Model
