Industrial-grade interface for simultaneous Modbus-TCP, OPC-UA, MQTT, RTU and ASCII data streams — certified for Zone 2 and marine applications.
Functional Overview
The IOCN module converts internal VM600 registers into industry-standard protocols without additional software. Two independent 10/100 Mb Ethernet ports and one software-selectable RS-485 (2-wire or 4-wire) provide physical redundancy and mixed-media networks.
Technical Data
|
Parameter
|
Value
|
Test Standard
|
|
Supply
|
5 VDC ±5 %, 0.4 A
|
Back-plane IEC 60950-1
|
|
Isolation
|
2 kV RMS 50 Hz, 1 min
|
IEC 60255-5
|
|
Surge
|
4 kV line-earth, 2 kV line-line
|
IEC 61000-4-5
|
|
Ethernet
|
10/100 Mb, auto-MDIX, 2 ports
|
IEEE 802.3
|
|
Serial
|
RS-485 2W/4W, 1200 m, 38.4 kBd
|
TIA/EIA-485-A
|
|
Operating temp
|
-40 … +70 °C
|
IEC 60068-2-1/-2
|
|
Salt mist
|
1000 h
|
IEC 60068-2-52
|
|
MTBF
|
> 200 000 h @ 40 °C
|
MIL-HDBK-217F
|
Protocol Stack & Capacity
|
Service
|
Max Sessions
|
Data Update
|
Latency
|
|
Modbus-TCP
|
8 clients
|
1 ms/Register
|
<5 ms
|
|
OPC-UA Server
|
5 sessions
|
1 kHz subscription
|
<10 ms
|
|
MQTT Publisher
|
3 brokers
|
1 kHz topic
|
<15 ms
|
|
Modbus-RTU
|
1 master
|
38.4 kBd
|
3.5 char time
|
|
ASCII Raw
|
1 stream
|
10 kHz burst
|
<1 ms
|
Installation Workflow
① Insert into any I/O slot – lever locks automatically
② Select protocol template via on-board web page (no restart)
③ Save → traffic starts immediately; LED bar confirms link health
Real-World Deployments
• Refinery hydro-cracker: OPC-UA to ABB 800xA, 15 k tags, zero re-transmit
• City gas SCADA: MQTT over 4 G to AWS IoT, end-to-end <80 ms
• Desert compressor: Modbus-RTU 2-wire, 1200 m, no repeater
Need a spare or a full rack?
One e-mail to ab@mooreplc.com covers quotation, export docs and worldwide freight – no hidden charges, no field-service fee.
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