Commissioning
EL3773
92
Version: 2.5
Bit
Name
Description
SW.5
Limit 2
1
bin
See
SW.4
1
bin
SW.3
Limit 1
1
bin
See
SW.2
1
bin
SW.1
Overrange
1
bin
Analog input signal lies above the upper permissible threshold for this
terminal
SW.0
Underrange
1
bin
Analog input signal lies under the lower permissible threshold for this
terminal
Control word
The EL3773 has no control word
Synchronization, trigger and conversion time
The EL3773 generally operates in oversampling mode. It can be operated with and without Distributed
Clocks activated.
Distributed Clocks activated
• the EtherCAT system-wide synchronized Distributed Clocks also encompass this EL3773
• the terminal then operates synchronously with all other DC devices
• the sampling clock is derived from the local DC in the EtherCAT slave controller (SYNC0:
Oversampling, SYNC1: Provision of the data)
Advantages
• several EL3773 record the measured values of all their channels synchronously
• accurate time stamp of the individual samples
The following limit values are to be observed
• minimum sampling time 100 µs (10,000 kSps)
• only non-periodic values are permissible for the sampling rate
• the PDO StartTimeNextlatch can only be used/activated with cycle times > 100 µs
Table of sampling times
Fig. 106: Samplingtime
The minimum EtherCAT cycle time for the EL3773 is 100 µs. In order to activate Distributed Clocks, "DC" is
to be selected in the Predefined PDO list, so that amongst others the time stamp PDO is selected
Summary of Contents for EL3773
Page 1: ...Documentation EL3773 Power Monitoring Oversampling Terminal 2 5 2018 03 13 Version Date...
Page 2: ......
Page 6: ...Table of contents EL3773 6 Version 2 5...
Page 39: ...Mounting and wiring EL3773 39 Version 2 5 Fig 29 Other installation positions...
Page 41: ...Mounting and wiring EL3773 41 Version 2 5 Fig 31 Block diagram...
Page 47: ...Commissioning EL3773 47 Version 2 5 Fig 38 Incorrect driver settings for the Ethernet port...
Page 147: ...Commissioning EL3773 147 Version 2 5 Fig 168 Confirming program start...