IM-P408-04
EMM Issue 7
22
B850-W and B850-P Boiler House Energy Monitor
Wall mounted B850-W boiler house energy monitor
RJ-45
Wiring diagram
from
Section 15, Appendix, IM-P408-03
L
L
N
E
N/O
COM
N/C
A(+)
B(-)
GND
I+
I-
N
E
1
2
3
13
14
15
19
20
21
1 A fuse
Relay 1 (of 4)
100-240 Vac from supply
Voltage free contacts
30 Vdc 0.1 A
240 Vac 3 A
Modbus
RTU slave
4 - 20 mA
Output
Ethernet LAN
Relay 1 (of 4)
Relay 1 (of 4)
RS-485
RS-485
RS-485
Out 1 (of 2)
Out 1 (of 2)