Static Transfer Switch
STS207
User Manual
Page 11 (28
)
ELTEK VALERE DEUTSCHLAND ©2009
UM_STS207_WEB_E_R1.4
3.4 Electrical connections
The STS207 is equipped with:
1 rear side connector for: AC input 1 (inverter), AC input 2 (mains), AC output and signalling
1 front side connector RJ11 (additional CAN-Bus connector)
1 front side connector RJ45 (Ethernet 10/100MB)
3.4.1 Pin assignment of the rear side connector:
Pin
Designation
2b
AC-Input 1 (Inverter)/Phase L1
5b
STS-Output / Phase L1
8b
AC-Input 2 (Mains)/Phase L1
11b
Common Neutral Conductor
16a
CAN
_
L Signal ( low )
17a
CAN_V+ DC-8…15V
18a -
19a
Synchronization / SYNC - STAT 2
20a -
16b
CAN_V- DC-Supply GND
17b
CAN_H Signal ( high )
18b
Synchronization / SYNC - STAT 1
19b
Synchronization / SYNC - SIG 2
20b -
16c
Alarm relay output, NO
17c
Alarm relay output, COM
18c
Synchronization / SYNC - GND
19c
Synchronization / SYNC - SIG 1
20c -
28b
+
Vi (DC-Power Supply
*
)
31b
-
Vi (DC-Power Supply
*
)
*
STS207HV: Vi = 91.8-275V
DC
STS207LV: Vi = 38-75V
DC
STS207LV: Vi = 19-45V
DC
Figure 4. Rear side connector
(shown from the rear side of the module)
