
3. INSTALLATION
B–63523EN/03
36
Table 3.4.2 (a) Heat output (for LCD–mounted type control unit)
Unit 16i 18i 21i
Heat output
(W)
Remarks
LCD–mounted
Without option slots f f f 33W (*1)
type control unit
With 2 option slots f f f 37W (*1)
With 3 option slots f f — 39W (*1)
With 4 option slots f f — 40W (*1)
Option board (*5)
HSSB board f f f 3W
Sub–CPU board f f — 13W
Loader control board f f f 10W
PMC C f f f 5W
Serial communication board
(remote buffer, DNC1, DNC2)
f f f 6W
Symbol CAPi T board — — f 10W
RISC board f f — 9W
Data server board f f f 9W
I/O Link–II board f f f 9W
NOTE
1 The liquid–crystal display and MDI unit are included. Option boards are not included.
2 When option boards are used, the total heat output of the selected option boards must not
exceed the following value:
Rack type Total heat output
4–slot rack 38W
3–slot rack 38W
2–slot rack 26W
3.4.2
Heat Output of Each
Unit