ABB S800 - Page 153

Section 3 Technical Data and Performance Power Supply and Cooling Requirements
3BSE015969-600 A 153
SS823 - - - 24 82 55C/(131F)
(12)
SS832 - - - 7.9 27 55C/(131F)
(12)
(1) Cooling load is the heat (BTU/H) produced by the equipment that may be required to meet room or enclosure cooling
specifications.
(2) 40C(104F) applies to Compact MTUs with I/O modules or S800L mounted on a vertical DIN-rail.
(3) With maximum load at ModuleBus 24 V and 5V
(4) In redundant configuration twice
(5) 24 V from ModuleBus (91 mA) or 24 V external (91 mA) or 48 V external (22 mA).
(6) 500 mA per channel with maximum load per channel.
(7) 2 A per channel with maximum load per channel.
(8) Short circuit current <
15 A during 20 ms.
(9) With maximum channel load
(10) 40C(104F) mounter on a vertical DIN-rail.
(11) a.c. 120/230V.
(12) Horizontal mounting only.
Table 32. I/O Station Power and Cooling (Typical) Values (Continued)
Device
5 Volts
ModuleBus
24 Volts
ModuleBus
24 Volts
External
Power
Dissipation
(Watts)
Cooling
Load
(1)
(BTU/H
Typical)
Maximum Ambient
Temperature