Mitsubishi MELFA RH-6SH Series Standard Specifications Manual page 154

3Controller
Three cards can be installed on one controller.
(The communication line of maximum 6 channels cable connected.)
Table 3-38 ： Difference by the card version
Type
RZ581A or earlier
RZ581B or later
: The option slot 1(OPT1) or 2(OPT2) is available. (Up to two boards can be used.)
△
○ : Every option slot is available. (Up to three boards can be used.)
(*1) Operation is compatible with RZ581A.
Options
3-142
Supporting software version
From the E1 to K6
△
△ (*1)
K7 or later
Unrelated to the software version, up to two boards can be
△
used. (Slot 1(OPY1)/ 2(OPT2))
Up to three boards can be used, by using with version K7 or
○
later. (Slot 1(OPY1)/ 2(OPT2)/ 3(OPT3))
Rmarks