4-20
Section 4 Software Interface
4-2 Analog Output Module
3) When offset/gain adjustment mode is activated
When parameter mode is activated (when bit 15 of the module status register is set ON) and bit 6 of the parameter type setting
status register is set ON, the status of offset/gain adjustment is indicated. For this, the status of EEPROM writing completion
flag, voltage or current up/down status, and which of offset and gain values is now indicated are displayed. In this mode, offset
address +3 is unused.
* When using D300win, assign a WORD type variable to this register. If you access by the bit, assign a BOOL type variable to
each bit.
(6) Mode changeover register (offset address +4)
When a value in the range from “30000” to “32767” (INT type) is input to offset address +4, parameter mode is activated. In
this mode, offset address +5 becomes the parameter type setting register, and offset addresses +6 and +7 become the
parameter setting data registers.
To change over from parameter mode to D/A conversion mode, input a digital value (smaller than “30000”) that corresponds to
the analog value to be output.
* When using D300win, assign an INT type variable to this register.
Note: When mode is changed over from “D/A conversion” to “parameter”, the value that corresponds to the digital input value of
0 (zero) is output as analog output value. The values shown in the table below may not apply when conversion
characteristic has been changed by scaling.
Output range Output value in parameter mode
0to5V 0V
1to5V 1V
0to10V 0V
-10to10V 0V
4to20mA 4mA
0to20mA 0mA
15(F) 078
+2
Unused
Unused
OFF: Offset value is
displayed
ON: Gain value is
displayed
ON: Down
ON: Up
ON: Module internal EEPROM
writing completed
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