Boiler house Energy monitor
2
Technical data for the B850 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
2.12 7
Socket type
A type, according to USB standard
Version
USB 2.0
Recording format
FAT16 (within a limited scope)
Power supply (B850-W-2)
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 III Power supply (B850-P-2)
Rated supply voltage
24 Vdc
(SELV and Limited Energy Supply)
Supply voltage range
18 .. 36 Vdc
Power consumption
Maximum 8 W Wire terminals (B850-W-2)
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
Wire terminals (B850-P-2)
Wire connection/terminals
Screw type terminal blocks, plug type
Solid 1.5 mm 2 max Stranded 1 mm 2 max Stranded with ferrule 0.25 .. 1.5 mm 2 AWG 30/14
Conductor cross Section
Technical data for the B850 series flow computers continued on next page
TI-P408-01 EMM Issue 7
Page 7 of 9
B850 Boiler House Energy Monitor
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