Mitsubishi Electric MELSEC iQ-F FX5 User Manual page 162

• A channel where the set value is out of the range causes a rate alarm detection cycle setting range error
(error code: 1B9H).
• Since the default value is 0, change the setting value when setting the rate alarm function.
CH1 Rate alarm upper limit value
Set an upper limit value of the change rate of digital output values to detect a rate alarm.
For details on the alert output function, refer to the following.
Page 46 Alert output function
■Buffer memory address
The following shows the buffer memory address of this area.
Buffer memory name
CH Rate alarm upper limit value
CH Rate alarm upper limit value (In FX3
allocation mode function)
■Setting range
The possible setting range is from -32768 to +32767.
Unit of the setting value varies depending on the setting of 'Rate alarm change rate selection' (Un\G299).
Rate alarm change rate selection (Un\G299)
Rate specification (0)
Digital output value specification (1)
■Enabling the setting
Turn offonoff 'Operating condition setting request' (Un\G70, b9) to enable the setting.
■Default value
The default value is 0 for all channels.
APPX
160
Appendix 4 Buffer Memory Areas
CH1 CH2
524 724
91 92
Unit
0.1%
digit
CH3 CH4
924 1124
93 94