Data Sheet for Product
Table Of Contents
12
Siemens
A6V11439454_en--_d
Smart Infrastructure
2021-03-31
Diagrams
Connection terminals
RDF870KN
RDF870MB
X1
Multifunction input 1
M
Input reference ground for X1, X2 and Y50
X2
Multifunction input 2
Y50
DC 0…10 V output
CE+, CE-
KNX bus + and - terminals
REF
Modbus reference ground
A+, B-
Modbus + and - terminals
L, N
AC 230 V operating voltage
Q1
Output, fan speed 1, AC 230 V
Q2
Output, fan speed 2, AC 230 V
Q3
Output, fan speed 3, AC 230 V
Q4
Output, fan speed 4, AC 230 V