Hitachi SJ Series, User Manual

Page: 186 / 786

12-4-17
Chapter 12 Inverter Functions
Analogue command holding function (analogue
holding function)
• If the main speed command [AA101] is an analogue
input command (01-03), this function is effective
even when data are held by the analogue command
holding [AHD] function.
• If 019[AHD] function is effective, the held data can
be moved up/down by using [FUP]/[FDN] function.
Action chart
(A frequency command uses [AHD] in the analogue
input.)
Parameters
• The input terminal function 019 [AHD] analogue
command holding function (analogue holding
function) holds the command of the analogue input
when the function becomes ON. When the function
becomes OFF, the command returns to the
analogue command. Namely, data changes with the
[FUP]/[FDN] function are not saved.
Item Parameters Data Description
Main speed
command
selection
[AA101] 01~15
01: Ai1-L input, 02: Ai2-L input, 03: Ai3-L input,
07: parameter setting, 08: RS485
communication, 12: pulse string input (main
body), 14: program function EzSQ, 15: PID
arithmetic
Input terminal
function
selection
[CA-01]~[CA-
11]
019 AHD: Analogue command holding
020 FUP: Remote operation acceleration
021 FDN: Remote operation deceleration
022 UDC: Remote operation data clearance
FUP/FDN
overwriting
target selection
[CA-60]
00 Overwrites the frequency command.
01 PID target value is overwritten.
FUP/FDN
memory
selection
[CA-61]
00
The command is not saved in case of
power shutdown.
01
The command is saved in case of power
shutdown.
FUP/FDN UDC
terminal mode
selection
[CA-62]
00 Cleared to 0 Hz.
01 Cleared to the saved command.
Acceleration
time for
FUP/FDN
functions
[CA-64] 0.00~3600.00(s)
Sets acceleration time for FUP/FDN
functions.
Deceleration
time for
FUP/FDN
functions
[CA-66] 0.00~3600.00(s)
Sets deceleration time for FUP/FDN
functions.
Ａ
！
Operation
command.
(FW,RV)
FUP
FDN
If [FUP] and [FDN] terminals are made ON
simultaneously, acceleration/deceleration
is not made.
Frequency
command
Output
frequency