Offset/Gain Setting - Mitsubishi AJ65SBT2B-64AD User Manual

4
SETTINGS AND THE PROCEDURE BEFORE
OPERATION
4.8

Offset/gain Setting

When correcting errors of digital output values in the user range setting 1 and 2, follow the
procedure described in Figure 4.7. On the AJ65SBT2B-64AD, the offset/gain setting can
be configured without communication with the master station. In such case, follow the
procedure described in Figure 4.8.
(1) Configuring the offset/gain setting with communication with the master station
Power on the module.
Short the TEST terminals to enter test mode.
Check that the "RUN" LED is off.
A
Whenever the SELECT/SET switch is set to the SELECT
position, the indication of the offset/gain adjustment LEDs
change as shown below.
User range setting 1
(-10 to 10V)
CH1 Offset value setting
CH1 Gain value setting
CH2 Offset value setting
CH2 Gain value setting
CH3 Offset value setting
CH3 Gain value setting
CH4 Offset value setting
CH4 Gain value setting
User range setting 2
(-5 to 5V) or
(current)
CH1 Offset value setting
CH1 Gain value setting
CH2 Offset value setting
CH2 Gain value setting
CH3 Offset value setting
CH3 Gain value setting
CH4 Offset value setting
CH4 Gain value setting
Switch the indication of the offset/gain adjustment LEDs
with the SELECT/SET switch and check that the LED of the
target channel and the "OFFSET" LED turn on.
ON ON
Figure 4.7 Procedure to configure the offset/gain setting with communication with the master station
4
- 12 4.8 Offset/gain Setting
Start
Start data link.
ON
* 1 When the RUN LED does not turn on, the possible cause is a failure of the hardware. For details,
refer to Section 3.5.2.
Apply a voltage or pass a current generating an offset value for
one second or more.
CH A/D conversion completion flag (RXn0 to RXn3) turns on.
For voltage For current
Switch the SELECT/SET switch to the SET position. Check
*1
that the "RUN" LED turns on and release the switch.
ON
Switch the indication of the offset/gain adjustment LEDs
with the SELECT/SET switch and check that the LED of the
target channel and the "GAIN" LED turn on.
ON ON
Apply a voltage or pass a current generating a gain value for one
second or more.
CH A/D conversion completion flag (RXn0 to RXn3) turns on.
For voltage For current
Switch the SELECT/SET switch to the SET position. Check
*1
that the "RUN" LED turns on and release the switch.
ON
Adjust other channels?
NO
Open the TEST terminals.
Power off the module.
End
ON
YES
A