Datasheet

EM111
Specication are subject to change without notice EM111 DS 291015
4
Output specifications
RS485 serial port RS485 by screw
connection.
Function For communication
of measured data,
programming parameters
Protocol ModBus RTU (slave
function)
Baud rate 9.6, 19.2, 38.4, 57.6, 115.2
kbaud, even or no parity,
Address 1 to 247 (default: 01)
Driver input capability 1/8 unit load. Maximum 247
transceivers on the same
bus.
Data refresh time 1sec
Read command 50 words available in 1
read command
Rx/Tx indication Rx segment on display
is shown when a valid
Modbus command is sent
to that specic meter
Tx segment on display
is shown when a valid
Modbus reply is sent back
to the master
M-bus port M-bus by screw
connection.
Function For communication of
measured data
Protocol M-bus according to
EN13757-1
Baud rate 0.3, 2.4, 9.6 kbaud
Meters in the M-bus network 250
Primary address Selectable
Secondary address Univocally dened in each
unit
Identication number range from 5000 0000 to 6999
9999
Other Available functions: wild
card, header, initialisation
SND_NKE, and req_udr
management. Management
of primary address
modication via M-bus and
reset of partial energy via
M-bus available.
VIF, VIFE, DIF and DIFE:
see protocol
Static output
Purpose For pulse output
proportional to the active
energy (kWh)
Pulse rate Selectable in multiple of
100
Max 1000 or 3000 kWh
according to pulse ON
duration
Pulse ON duration Selectable: 30ms or 100
ms according to EN62052-
31
Output type open collector PNP
Load V
ON
2.5 VAC/DC max. 100mA
V
OFF
260 VAC max.
Digital input specifications
Digital inputs Free of voltage contact
Function Tariff management (switch
between t1-t2)
Number of inputs 1
Contact measurement voltage 5 V
Input impedance 1kohm
Contact resistance 1kohm, close contact
100kohm, open contact
Overload In case a voltage is
erroneously applied to the
digital input, the input is not
damaged up to 30 VAC/
DC.