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6 technical specifications of the coordinators – Siemens S5-135U/155U User Manual

Page 290

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6-28

System Manual

C79000-G8576-C199-06

6.6

Technical Specifications of the Coordinators

Important for the USA and Canada

The following approvals have been obtained:

S

UL Listing Mark
Underwriters Laboratories (UL) to Standard UL 508, Report E 85972

S

CSA Certification Mark
Canadian Standard Association (CSA) to Standard C 22.2 No. 142,
Report LR 63533

923A Coordinator

923C Coordinator

Degree of protection

IP 00

Operating temperature

0 to +55

_C

Transportation and storage
temperature

40 to +70

_C

Relative humidity

95% max. at +25

_C, no condensation

Operating altitude

3500 m max. above sea level

Supply voltage

5 V

$ 5%

5 V

$ 5%

24 V +25%/ –15%

Current consumption at 5 V

0.5 A typical

1.1 A typical

Current consumption at 24 V

60 mA

Minimum backup voltage

2.7 V

Backup current

100 nA typical

2

mA typical

Acknowledgement time for
access to communication
memory via S5 Bus

320 ns typical

Transmission rate of the serial
interface

9600 bps

Transmission cable

Shielded 4-wire line, PG
connecting cable

Transmission range

1 km max. at 9600 bps

Weight

Approx. 0.3 kg

Dimensions (W x H x D)

20.32 x 233.4 x 160 mm

Multiprocessor Operation/Coordinators