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
Digital Inputs
Characteristic Value
Type of digital output
2
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
2 When the eWON COSY reboots, a short phase of ON state is part of the starting process.
Page 27 / 30 eWON COSY 131 | IG 022