Hitachi SJ700 Series Software, Instruction Manual

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Chapter 6 Interface with the Inverter
6 - 4
6.3.6 General-purpose analog input terminal (O2 terminal)
You can use the O2 terminal as a general-purpose analog input terminal. By referencing the data stored
in variable "XA (2)", the data (ranging from -10000 to 10000) input via the O2 terminal can be fetched.
Switching the O2 terminal to a general-purpose analog input terminal does not require any special setting.
Even when the O2 terminal is used to input frequency commands, the O2 terminal can also function as a
general-purpose analog input terminal. Note that the handling of data fetched via the O2 terminal
depends on the settings made by the [O2]-[L] input functions (A111 to A115).
The figure below shows the relationship between the input voltage and the value to be fetched (when the
settings of functions "A111" to "A115" are the defaults).
6.3.7 General-purpose analog output terminal (FM terminal)
You can use the FM terminal as a general-purpose analog output terminal for the easy sequence function.
For this purpose, specify "12" (YA0: general-purpose output 0) for the [FM] signal selection (C027).
When used as a general-purpose analog output terminal, the FM terminal can output the pulse signal that
corresponds to the data (0 to 10000) stored in variable "YA (0)". The FM output characteristics follow the
FM gain adjustment (C105). The figure below shows the output waveform (with "C105" set to 100%).
Function code Function name Setting Remarks
C027
[FM] signal
selection
00: Output frequency
01: Output current
02: Output torque
03: Digital output frequency
04: Output voltage
05: Input power
06: Electronic thermal overload
07: LAD frequency
08: Digital current monitoring
09: Motor temperature
10: Heat sink temperature
12: General-purpose output 0
The analog output of
program variable (YA
(0)) data is enabled only
when C027 = 12.
XA(2)
10000
-10000
10 0
-10
Input voltage (V) across O2
and L terminals
Voltage across FM and
CM1 terminals: 10 V
Always 6.4 ms
(YA (0)/10000) x 6.4 ms