Appendix A -
Connector Pinout & Related
Specifications
A.2 - Specification of the External Power Supply
The eWON COSY must be powered by a safety Low Power Supply (LPS) in accordance with
clause 2.5 of UL/IEC 60950-1 Ed2. Standard, 12-24Vdc, 30W min. Certified for 60°C and for
altitudes up to 2000m. The safety LPS power supply is not part of the delivery.
Suggested power supply:
SIEMENS SITOP logo power 24V 2.5A 60W - Siemens order ref: 6EP1332-1SH43.
Equivalents are available on the market.
Power Supply
Characteristic
Value
Power supply voltage
external 12-24 VDC +/- 19%
Max COSY input power
30W max.
Internal voltage protection
max 30V
Input protection
protected against polarity inversion
A.3 - Digital Output & Digital Inputs
Characteristic
Value
Type of digital output
5
Open drain MOSFET
Max. current (ext,source)
200 mA
Isolation (both DI & DO)
1,5 kV
DI voltage range
0 to 24 VDC
DI protection
33 VDC Max
DI OFF state
input voltage range
0 to 5 VDC
DI ON state
input voltage range
10 to 30 VDC
DI ON state
current range
From 3,8 mA @ 12 VDC to 8,2 mA @ 24 VDC
5 During the starting boot process, the DO will be switched ON for a short time (2 sec)
Page 26 / 32
eWON COSY 131 | IG 022
