Alpha Technologies EDSM - Manual (Page 9)

704-721-C0-004, Rev. D 9
Fig. 1-2, Power System Interconnection
ECM XM2
with SI Connector
XM2
with SI Connector
"Master "
XM2 with EDSM/
Embedded Xpdr
Digital External
Transponder
To Head End
RF
(or DT Option)
RF
Output
C
O
M
RF
C
O
M
S
Y
S
C
O
M
S
Y
S
C
O
M
S
Y
S
A
U
X
36V 24V 12V
3A 2A 1A
36V 24V 12V
3A 2A 1A
D
T
SERVICE SERVICE CUSTOME CUSTOME R
XM2
with SI Connector
Surge Suppressor
(Alpha P/N 162-028-10)
1.0 Introduction, continued
1.1 System Layout
The diagram below shows a typical power supply system using either an embedded or
external digital transponder.The EDSM can monitor up to six (6) power supplies, two battery
strings via the AUX connector, and one (1) generator. The EDSM collects data from these
devices and relays it to the head end using a digital transponder.
System Part Numbers:
EDSM with DT Connector 745-678-20
EDSM Sheet Metal/Faceplate 745-427-21
XMS2 Serial Interface 704-742-20
AlphaBus Communications Cable 874-460-20
Available Battery Sense Wire Kits:
874-842-21 WR KT,BAT SNSE,COMM MDL,36V 1STR,6'
874-842-27 WR KT,BAT SNSE,COMM MDL,36V 1STR,9'
874-842-28 WR KT,BAT SNSE,COMM MDL,36V 2STR,9'
874-841-21 WR KT,BAT SNSE,COMM MDL,48V 1 STR,6'
874-841-20 WR KT,BAT SNSE,COMM MDL,48V 2 STR,6'