Omron E3X-DRT21-S User Manual page 54

Section 3
Explicit Message Communications
● Read threshold settings/read threshold settings on differentiation
mode/read threshold settings on difference outputs
These commands read threshold settings of the sensor with the unit No. specified with
the Instance ID. Data is shown in hexadecimal, and the data for each single unit is 16-
bits long. If the data is negative, the 12th bit is 1 (on).
Threshold settings
Bit Bit
15 14
0 Fixed
Depending on the sensor type, [Read Differentiation Threshold Settings] and [Read
Difference Threshold Settings] might not be able to be performed correctly.
● Read Operating Mode Settings
It reads the operating mode settings of the sensor with the unit No. specified with the
Instance ID.
Bit
00
01 to 15
E3X-DRT21-S
52
User's Manual
Bit Bit Bit Bit Bit
13 12 11 10 09
0:
+
/
1:
-
Description
Operating mode
No data
Bit Bit Bit Bit
08 07 06 05
Threshold setting (0000Hex to 0FA0Hex)
E3X, E3C: 0: L/ON, 1: D/ON; E2C: 0: NO, 1: NC
Always 0
Bit Bit Bit Bit Bit
04 03 02 01 00
Data