Rockwell Automation 8520 9/Series CNC Integration Maintenance Manual Documentation Set - Manual (Page 51)

Section 2A
Planning Your System Layout
2A-6
Table 2A.B
Component and Module Heat Generation Wattages
Component or Module Heat Generation Wattage (W)
9/230 and Main Power Supply 130
9/260 or 9/290 and Main Power Supply 225
9/440 CNC/1394 Drive 5kw System Module (@100%) 80
9/440 CNC/1394 Drive 10kw System Module (@100%) 98
9/440 Axis Modules/1394 Drive (each module @100%) AM03 AM04 AM07 AM75
48 63 93 346*
9/440 CNC Power On/Off Control Module 5
Portable Operator Panel Interface Assembly 72
Monochrome Operator Panel 125
Color TFT Operator Panel (flat panel) 55
Color CRT Operator Panel 175
MTB Panel 15
HPG 1.2
3-axis Digital Servo Module 13.5
3-axis Analog Servo Module 14
4-axis Digital Servo Module (8520-ENC4) 15
4-axis Analog/1394 Servo Module (8520-SM4) 14
1746I Ring Adaptor (module only) 0.9
1771-HTE Termination Panel 0
MTB Panel I/O Module 5
Remote I/O Module (8520--RIOM) 4.2
* 18 Watts in cabinet, 328 Watts out through cabinet heat sink
The temperature rise inside a metallic cabinet incorporating only an
internal convection cooling fan can be roughly calculated with the
following formula:
T = W/6S
- T = Temperature rise in cabinet ( ° C)
- W = Heat generation (Watts) by units and modules
- S = Heat radiation surface area (sq. meter) of cabinet
(total cabinet surface area minus any area in contact with the floor or
building wall)
The above equation assumes a closed cabinet with heat dissipated only
through cabinet radiation.