Hitachi CONVENTION 14 - Manual (Page 271)

List of Holding Registers
Network Data Func.
Code
Name R/W Description
Reg. Range Res.
A071 PID enable R/W Enables PID function,
two option codes:
00
}PID Disable
01 }PID Enable
1068h 0, 1
A072 PID proportional gain R/W Proportional gain has a range of
0.2 to 5.0
1069h 2 to 50 0.1
A073 PID integral time
constant R/W Integral time constant has a
range of 0.0 to 150 seconds
106Ah 0 to 1500 0.1 sec
A074 PID derivative time
constant R/W Derivative time constant has a
range of 0.0 to 100 seconds
106Bh 0 to 1000 0.1 sec
A075 PV scale conversion R/W Process Variable (PV), scale
factor (multiplier), range of 0.01
to 99.99
106Ch 1 to 9999 0.01
A076 PV source setting R/W Selects source of Process
Variable (PV), option codes:
00
}[OI] terminal (current in)
01 }[O] terminal (voltage in)
02 }ModBus network
10 }Calculate function output
106Dh 0, 1, 2, 3
A077 Reverse PID action R/W Two option codes:
00 }PID input = SP-PV
01 }PID input = -(SP-PV)
106Eh 0, 1
A078 PID output limit R/W Sets the limit of PID output as
percent of full scale,
range is 0.0 to 100.0%
106Fh 0 to 1000 0.1 %
A081 AVR function select R/W Automatic (output) voltage
regulation, selects from three
type of AVR functions, three
option codes:
00
}AVR enabled
01 }AVR disabled
02 }AVR enabled except during
deceleration
1070h 0, 1, 2
A082 AVR voltage select R/W 200V class inverter settings:
00 }200
01 }215
02 }220
03 }230
04 }240
400V class inverter settings:
00
}380
01 }400
02 }415
03 }440
04 }460
05 }480
1071h 0 to 5
A085 Operation mode
selection R/W Two option codes:
00 }Normal operation
01 }Energy-saver operation
1072h 0, 1
A086 Energy saving mode
tuning R/W Range is 0.0 to 100 % 1073h 0 to 1000 0.1 %
B 28
Appe
ndix B
B 28
Appendix B