L-Card L-502-P-G-D-I, Руководство пользователя

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6 General description.
6.1. ADC entry point connection ............................................................................................ 59
6.1.1. Connecting to the ADC entry point of single-phase voltage source ............................. 59
6.1.2. Connection to ADC input with up to 16 differential voltage sources .......................... 62
6.1.3. Connection to the ADC input for the case where the common wire of the signal
sources has a offset potential Ucm of max. ± 1 V relative to the AGND circuit. .............................. 63
6.1.4. Measurement of the voltage drop on the circuit section in the differential mode (up to
16- channels) 64
6.1.5. Differential connection of the transformer (throttle) winding with midpoint and offset
potential with respect to AGND ............................................................................................................. 64
6.1.6. Example of mixed connection of voltage sources "with common ground" and
differential. 64
6.1.7. Connecting a power supply to the ADC input ............................................................... 65
6.1.8. Consistent connection of remote current sources or voltage through a long line with a
wave resistance of Zw with load on the side of the receiver. ............................................................... 66
6.1.9. Differential connection of an isolated current source or voltage .................................. 66
6.1.10. The coordinated connection of a remote voltage source through a pair of long line
with a wave resistance Zw with matching on the signal source side ................................................... 67
6.2. Connecting the DAC outputs........................................................................................... 68
6.2.1. 2-channel output ±5 V ..................................................................................................... 68
6.2.2. Single-channel differential output ±10 V ....................................................................... 68
6.3. Connecting the digital inputs and outputs. ................................................................... 69
6.3.1. Connecting the LED or the optron input. Option 1........................................................ 69
6.3.2. Connecting the LED or the optron input. Option 2........................................................ 69
6.3.3. Connecting a contact to a digital input ........................................................................... 69
BIBLIOGRAPHY. ......................................................................................................... 72
LIST OF TABLES. ....................................................................................................... 72
LIST OF FIGURES ....................................................................................................... 72
CONTENTS .................................................................................................................... 4