Installation and connection
25
EDS460-490_D00085_01_M_XXEN/02.2016
Legend to wiring diagram
* The external test/reset buttons of several devices must not be connected to one
another.
A1, A2
Supply voltage U
S
(see ordering information),
6 A fuse recommended; two-pole fuses should be used on IT
systems. For UL and CSA applications, the use of 5 A fuses is
mandatory.
k1, l …
k12, l
Connection of measuring current transformers 1…12
A, B BMS bus (RS-485 interface with BMS protocol)
R, R/T External reset button (N/O contact)*
T, R/T External test button (N/O contact)*
C11, C12,
C14
Common alarm relay K1: Alarm 1, common alarm for alarm
or device error.
C21, C22,
C24
Common alarm relay K2: Alarm 2, common alarm for alarm
or device error.
R
on/off
Activate or deactivate the BMS bus terminating resistor
(120 Ω) ).
W Measuring current transformer
To Next Page
Loading...