Siemens WZU-485E-MOD Руководство по эксплуатации - Страница 3
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7.
Technical data
General information
Communication protocol
Modbus address range
Transmission rate
Communication address
Data refreshing
Parity
Number of stop-bits
Default settings
Transmission rate
Modbus Parity
Communication address
RS485 information
HW network connection
Bus termination
Power supply
Alternating current
Direct current
Consumption
Recommended fuse
Galvanic Isolation
From the meter
From the RS485 network
WZU-485E-MOD
Modbus RTU on RS485
1 – 247
2400 / 4800 / 9600 / 19200 bps
M-Bus primary address of T550
(Loop 4:
)
Stand-by mode: 60 min
In operation: After every data request, up to 10s
Even / odd / none
1
9600 bps
even
0 (meter default; must be changed)
RS485: A+, B-, GND
communication signal inputs (A, B) are protected
against short-term (pulse) overload
use external resistor (120 Ohm)
permissible range AC 16...28 V
permissible range DC 10...32 V
<50mA (typically <20 mA / 24 V)
fuse T 100 mA
yes
no
Subject to change without prior notice
3