Model 922-420
SUBSEA QUALIFIED 4-20 mA GATEWAY
/922-420Multiplexer_prod_banner_narrow.jpg)
The Model 922-420 provides an advanced SIIS Level 1 gateway to a SIIS level 3 network, and is ideally suited to interface with modern control systems. It has been designed and qualified specifically for permanent subsea installation and is highly fault tolerant by using protection and redundant circuitry.
Advanced diagnostics provide real time health monitoring of the system and include optical SFP information, temperature, voltage, humidity, Ethernet link status, and Ethernet switch configuration. The model 922-420 uses a common unified software interface, like all of Focal’s SOC products, making integration faster and easier.
Optical communication performance can be extended by using Focal’s subsea qualified fiber-optic SFP modules. Option are available supporting tiebacks or step outs of up to 200 km.
Features
- 8 isolated SIIS level 1 (4-20 mA) channels
- 1-port SIIS level 3 (100 Base-T(X) Ethernet) switch
- Qualified per ISO 13628-6 / API 17F
- MTBF > 200,000 hours at +40 C
- Advanced diagnostics and configuration using Modbus TCP
- DHCP-configured IP address with static IP backup
- 3U Eurocard form-factor with options for front panel or heat sink
- Failsafe remote firmware update
Benefits
- Proven SIIS level 1 & level 3 solution for subsea communications
- Reduces cost by using standard configurations
- Simplifies integration with unified software interface
- Supports copper or fiber-optic connections with qualified SFP modules
| 922-420 Specifications |
|
|---|---|
| SIIS Level 1 (4-20 mA) | |
| No. Channels |
8 (8 on 21-pin Micro-D) |
| Sampling |
1 ms |
| Resolution |
±0.25% F.S. |
| Protection |
Over-voltage up to ±25V; ESD ±15 kV air, ± 8 kV contact |
| Isolation |
250 Vrms |
| SIIS Level 3 (Optical and Copper Ethernet) |
|
| No. Ports | Copper: 1 (1 on Front 9-pin Micro-D) Optical: 2 (2 on Front SFP Port) |
| Format |
SIIS level 3, 10/100 Base-T(X) |
| Connectors |
|
| Harness | 1 x 21-pin Micro-D |
| Front | 1 x 9-pin Micro-D 2 x SFP (optical port) |
| Power |
|
| Consumption |
SIIS-Medium, 5.5 W typical (6 W max.) |
| Voltage |
+20 to +28 VDC, regulated |
| Current |
0.2 A (0.5 A max.) |
| Protection |
ESD, EMI, over-voltage, reverse voltage, overcurrent (no fuses) |
| Management |
|
| Ethernet Switch |
Layer 2, Broadcast storm protection, rate limiting, flow control, 802.1q VLAN, DHCP, 802.1p port Priority, port mirroring |
| Diagnostics and Configuration |
LED, Webserver, Modbus TCP / RTU, CLI, TELNET |
| Redundancy |
Automatic, < 3 s |
| Firmware |
Fail safe remote firmware update |
| Mechanical |
|
| Dimensions |
3U Eurocard, 160 mm x 100 mm x 4 HP |
| Mounting |
Eurocard 3U rack or 4 x M3 hardware |
| Options |
Front panel |
| Life Cycle |
|
| Design Life |
> 20 years @ +40°C |
| MTBF |
> 200,000 hrs @ +40°C |
| Testing |
Factory Acceptance Test (FAT) at min. and max. temperature |
| Options |
Environmental Stress Screening, thermal or vibration |
| Environmental |
|
| Temperature |
-20°C to +70°C (operation) -40°C to +85°C (storage) |
| Humidity |
5% to 85% RH, non-condensing |
| Vibration |
5 g, per ISO13628-6 / API 17F |
| Shock |
30 g, per ISO 13628-6 / API 17F |
| Qualification |
ISO 13628-6 Q1 / API 17F |
| Options |
8000 PSI rated |
Contact Us
Typical Applications
- Subsea communications
- Long distance step out or tie back
- Interface to devices (e.g. sensors, valves, pumps)
- Subsea Electronics Modules (SEM) and other subsea distribution nodes
- Upgrades available for legacy communication systems
