130
Appendix 1
Differences and compatibility
with the FR-A840
Item
FR-A840
FR-A846
Protective structure
Enclose type (IP20): FR-A840-00620(22K) or
lower
Open type (IP00): FR-A840-00770(30K) or higher
Dust- and water-proof type (IP55): all capacities
Multiple rating
(Pr.570 Multiple rating
setting)
SLD, LD, ND (initial setting), HD rating
(Setting range “0 to 3”)
LD, ND rating (initial setting)
(Setting range “1, 2”)
Brake transistor
(brake resistor usable)
Built in for FR-A820-00046(0.4K) to 01250(22K)
Built in for FR-A840-00023(0.4K) to 03160(55K)
None (the use of brake resistor is unavailable)
Internal fan
None
Provided
Protective function
―
Internal-circulation fan alarm (FN2), Abnormal
internal temperature (E.IAH) provided
Pr.30 Regenerative
function selection
Setting range “0 to 2, 10, 11, 20, 21, 100, 101, 110,
111, 120, 121”
Setting range “0, 2, 10, 20, 100, 110, 120”
Pr.70 Special regenerative
brake duty
Provided
None
Regenerative brake duty
(setting value "9" in Pr.52,
Pr.54, Pr.158, Pr.774 to
Pr.776, Pr.992, Pr.1027 to
Pr.1034)
Provided (setting available)
None (setting unavailable)
DC reactor
Option
Built-in
Operation panel
FR-DU08: IP40 (except for the PU connector
section)
FR-DU08-01: IP55 (except for the PU connector
section)
