OMRON MD series network requirements

OMRON's MD-650 and MD-900 manual asks for at least -60 dBm, round trips of 10 ms or less, no more than two access points heard at -85 dBm, and 802.11 a/b/g, and says a lone AMR can run without Wi-Fi while a fleet cannot.

Ben RutterIndustrial network engineer

Updated Oct 5, 2026
Reviewed Oct 5, 2026
4 sources
Safety: educational only

Vendor or body: OMRON
Model or version: MD-650 and MD-900 with FLOW Core Fleet Manager; MD Series Platform User's Manual I681-E-03
Last verified: Oct 5, 2026
Sourced values: 13
Loss-of-comms timeout: Wireless watchdog timer, user-set in SetNetGo; no default published
Top speed: 2.2 m/s (MD-650); 1.8 m/s (MD-900)

Values

Parameter	Value	Condition
Minimum signal strength	-60 dBm¹	Recommended minimum; OMRON calls -40 dBm or stronger ideal
Co-channel access points	No more than two detectable access points at -85 dBm, and no more than one above -85 dBm, at any location¹	Listed as Channel Interference
Latency	10 ms¹	Maximum recommended round-trip latency
Wireless standard	IEEE 802.11 a/b/g²	Manual and datasheet agree
Wi-Fi security methods	WPA-PSK, WPA2-PSK, PEAP-MSCHAPv2, EAP-TLS¹	Encryption TKIP/RC4 or CCMP/AES; OPEN is selectable but marked not recommended; no WPA3 listed
Bandwidth per AMR	50 average, unlikely to exceed 500 kbps¹	Rises when MobilePlanner actively manages AMRs or debug tools run; payloads that stream through the AMR's wireless interface add more
Coverage	Constant service throughout the workspace for a fleet¹	OMRON allows partial coverage for a single or segregated AMR where no commands or status are needed, and recommends a dedicated network restricted to the AMRs
Effect of a poor connection	Frequent disconnections may leave an AMR unable to reconnect, requiring user intervention¹	OMRON also lists failed Jobs or Goals from packet loss, unintended behavior if Fleet Manager parameters change while an AMR is disconnected, and collisions between AMRs in close proximity
Onboard controller traffic over Wi-Fi	Port forwarding between the User LAN and the wireless network lets the onboard NX102 controller exchange data over Wi-Fi¹	Configured in SetNetGo; the manual's example connects an EtherNet/IP coupler unit to the NX102 over the wireless network using CIP tag data links
Roam scan settings	Background scan every 3 s by default; fewer channels selected gives faster roams³	Scanning drops to one tenth as often while signal is above the RSSI roam threshold (default 50, unit not stated)
Maximum roam time	Not published by the vendor¹	Checked the MD manual and the FLOW Core manual
Fast roaming support	Not published by the vendor¹	No mention of 802.11r, 802.11k, 802.11v or key caching in the MD manual or the FLOW Core manual
Ports, AMR to Fleet Manager	TCP 37; TCP/UDP 5000; TCP/UDP 7272; UDP 10000 and up⁴	Allocate at least twice as many UDP ports from 10000 as there are AMRs; bidirectional traffic must be allowed

When it loses the network

Behavior: A single AMR can keep navigating without Wi-Fi using its stored map; in a fleet, Fleet Manager connectivity is required. OMRON does not state whether a fleet AMR stops, finishes its job, or continues when the link drops.
Timeout: Wireless watchdog timer, user-set in SetNetGo; no default published³
Recovery: With the watchdog enabled, the AMR resets its wireless interface and tries to reconnect; OMRON warns frequent disconnections may require user intervention. After a Fleet Manager failover, AMRs take 1 to 3 minutes to reconnect and resume.

Top speed

2.2 m/s (MD-650); 1.8 m/s (MD-900)¹

Sources

MD Series Platform User's Manual, Cat. No. I681-E-03. Read Oct 5, 2026.
MD Series AMR datasheet, Cat. No. I885-E-05. Read Oct 5, 2026.
Fleet Operations Workspace Core User's Manual, 20569-020 Rev. G (Cat. No. I635). Read Oct 5, 2026.
AMR Wireless Communication Technical Guide 72503-100 A. Read Oct 5, 2026.

About this page

Built from 4 sources: 4 vendor documents. Researched and drafted with AI assistance, then reviewed and approved by Ben Rutter on Oct 5, 2026. How pages are made

First published: Oct 5, 2026
Last updated: Oct 5, 2026

Change history (1)

Oct 5, 2026 First published

Cite this page

Plain

Ben Rutter. "OMRON MD series network requirements." OT Wireless, published October 5, 2026. https://otwireless.com/requirements/omron-md-series/

APA 7

Rutter, B. (2026, October 5). OMRON MD series network requirements. OT Wireless. https://otwireless.com/requirements/omron-md-series/

BibTeX

@misc{rutter2026omronmdseries,
  author = {Rutter, Ben},
  title = {{OMRON MD series network requirements}},
  year = {2026},
  howpublished = {\url{https://otwireless.com/requirements/omron-md-series/}},
  organization = {OT Wireless},
}