Product Handbook 2026 - Volume 1

Flowmetering Flowmetering ancillaries 3

Technical data for the M850 series flow computers (continued)

Ethernet port

Transmission protocol

Modbus TCP, ICMP (ping), DHCP server, http server, BACnet IP

Interface

10 BaseT Ethernet

Data buffer

300 B

Number of opened connections (simultaneously)

4

Connection type

RJ-45 / SELV

LED indication

2 (build in RJ-45 socket)

USB port

Socket type

A type, according to USB standard

3.5 6

Version

USB 2.0

Recording format

FAT16 (within a limited scope) Power supply (M850-W-x and M850-W-x-UL)

Rated supply voltage

100 - 240 Vac; 50 / 60 Hz

Supply voltage range

85 .. 264 Vac; 47 .. 63 Hz

Power consumption

Maximum 20 VA

Over voltage category

CAT Power supply (M850-P-x)

Rated supply voltage

24 Vdc

(SELV and Limited Energy Supply)

Supply voltage range

18 .. 36 Vdc

Power consumption

Maximum 8 W Wire terminals (M850-W-x and M850-W-x-UL)

Wire connection / terminals

Spring type terminal block

Solid 0.2 .. 2.5 mm 2 Stranded 0.2 .. 1.5 mm 2 Stranded with ferrule 0.25 .. 1.5 mm 2 AWG 26 .. 12

Conductor cross section

Non cULus version cable entry

4 glands type M20, 2 glands type M16

cULus version cable entry

4 conduit hubs ½" NPT

Technical data for the M850 series flow computers continued on next page

TI-P333-29 EMM Issue 5

Page 6 of 10

M850-W and M850-P Flow Computers

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