D/A Conversion Enable/Disable Setting (Un\G0); Ch Digital Values (Un\G1 To Un\G6) - Mitsubishi MELSEC-Q series User Manual

3
SPECIFICATIONS
3.4.2
(1) Set whether D/A conversion is enabled or disabled for each channel.
(2) To validate the settings, ON/OFF of the Operating condition setting request (Y9) is
(3) By default, all channels are set to D/A conversion disabled.
3.4.3
(1) This area is used to write digital values from the programmable controller CPU as 16-
(2) If a value outside the settable range is written, the upper or lower limit value of the
Output range setting
0: 4 to 20 mA
1: 0 to 20 mA
2: 1 to 5 V
3: 0 to 5 V
4: –10 to 10 V
D: User range setting3
E: User range setting2
F: User range setting1
3
- 30 3.4 Buffer Memory

3.4.2 D/A conversion enable/disable setting (Un\G0)

D/A conversion enable/disable setting (Un\G0)
required. (Refer to Section 3.3.2.)
b15 b14 b13 b12 b11 b10
0 0 0 0
Un\G0
b6 to b15 information is fixed at 0.
Design the system so that the D/A conversion enable/disable setting (Un\G0)
changes to "Enable" after the external power (Refer to Section 4.3) is supplied.
Analog output may not be performed properly if the external power is not at the
specified voltage.
CH digital values (Un\G1 to Un\G6)
bit signed binary code.
range is used for D/A conversion. (Refer to Table 3.7.)
Also, if this happens, a check code and an error code will be stored in the Set value
check code (Un\G11 to Un\G16) and Error code (Un\G19) respectively.
Table3.7 Output range settings and settable range
Normal resolution mode
Digital value that is set when
Settable range
a value outside the settable
(practical range)
range is written
-96 to 4095
4096 or larger: 4095
(Practical range:
-97 or smaller: -96
0 to 4000)
-4096 to 4095
4096 or larger: 4095
(Practical range:
-4097 or smaller: -4096
-4000 to 4000)
b9 b8 b7
0 0 0 0 0
Settable range
(practical range)
-288 to 12287
(Practical range:
0 to 12000)
-16384 to 16383
(Practical range:
-16000 to 16000)
-12288 to 12287
(Practical range:
-12000 to 12000)
b6 b5 b4 b3 b2
CH CH CH CH CH
0
6 5 4 3
1: D/A connversion disabled
0: D/A conversion enabled
High resolution mode
Digital value that is set when
a value outside the settable
range is written
12288 or larger: 12287
-289 or smaller: -288
16384 or larger: 16383
-16385 or smaller: -16384
12288 or larger: 12287
-12289 or smaller: -12288
b1 b0
CH
2 1