Siemens S5-135U/155U appendix Technical Specifications of the Coordinators

Models: S5-135U/155U

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Multiprocessor Operation/Coordinators

6.6Technical Specifications of the Coordinators

Important for the USA and Canada

The following approvals have been obtained:

SUL Listing Mark

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

SCSA Certification Mark

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

Degree of protection

Operating temperature

Transportation and storage temperature

Relative humidity

Operating altitude

Supply voltage

Current consumption at 5 V

Current consumption at 24 V

Minimum backup voltage

Backup current

Acknowledgement time for access to communication memory via S5 Bus

Transmission rate of the serial interface

Transmission cable

Transmission range

Weight

Dimensions (W x H x D)

923A Coordinator

923C Coordinator

 

 

IP 00

0to +55 _C 40 to +70 _C

95% max. at +25 _C, no condensation

 

3500 m max. above sea level

 

 

 

5 V $ 5%

 

5 V $ 5%

 

 

24 V +25%/ ±15%

 

 

 

0.5 A typical

 

1.1 A typical

 

 

 

±

 

60 mA

 

 

 

 

2.7 V

 

 

 

100 nA typical

 

2 mA typical

 

 

 

 

320 ns typical

 

 

 

±

 

9600 bps

 

 

 

±

 

Shielded 4-wire line, PG

 

 

connecting cable

 

 

 

±

 

1 km max. at 9600 bps

 

 

 

 

Approx. 0.3 kg

 

 

 

20.32 x 233.4 x 160 mm

 

 

 

6-28

System Manual

C79000-G8576-C199-06

Page 290
Image 290
Siemens S5-135U/155U appendix Technical Specifications of the Coordinators, 923A Coordinator 923C Coordinator