Specific Data; Measuring Currents And Voltages - Beckhoff EL3692 Documentation

Bit position (from left)
Function
Table 4: Structure of the REAL value
Name
Value
Table 5: Process data 0x1A02
SAI Inputs 0x1600 (0x1601)
The terminal can be controlled via this PDO. The data are also available as Control WORD.
Name
Control → Disable
autorange
Control → Start
conversion
Control → Mode
Control → Range
Table 6: Process data 0x1600
Example Program [} 129]: Decomposition of WORDS into bits.
5.7

Specific data

This section describes various terminal-specific data.
5.7.1

Measuring currents and voltages

Measuring currents and voltages used
The following measuring currents and voltages are used, depending on the measuring range.
EL3692
1
Sign
Explanation
Current measured value as REAL
Explanation
Request to disable Autorange.
Measurement request (rising edge), only
required in single shot mode.
Current measuring mode:
0: 4-wire measurement
1: 4-wire measurement, single-shot mode
2: 2-wire measurement
3: 4-wire measurement, single-shot mode
Current measuring range:
-1: 10 mΩ - 100 mΩ
0: 100 mΩ - 1 Ω
1: 1 Ω - 10 Ω
2: 10 Ω - 100 Ω
3: 100 Ω - 1 kΩ
4: 1 kΩ - 10 kΩ
5: 10 kΩ - 100 kΩ
6: 100 kΩ - 1 MΩ
7: 1 MΩ - 10 MΩ
Version: 2.1
8 23 (+1 "hidden bit", see
IE559)
Exponent Mantissa
Position, size
0x6002:01, 4 bytes
Position, size
0x6000:01, 1 bit CW.0
0x6000:04, 1 bit CW.3
0x6001:05, 4 bit CW.4 - CW.7
0x6001:09, 1
byte
Commissioning
Bit in Control
WORD
CW.8 - CW.15
115