McCrometer ProComm - Command Response Times; Busy and Delayed-Response; Long Messages; Non-Volatile Memory

30125-48 Rev. 1.0 | 05AUG2021
Page 11
Performance
11.5 Command Response Times
Times
Minimum 5 ms
Typical 10 ms
Maximum 50 ms
11.6 Busy and Delayed-Response
The transmitter may respond with "busy" status if a further command is received while self-test is underway. Delayed-
response is not used.
11.7 Long Messages
The largest data eld used is in the response to Command#20:
34 bytes including the two status bytes.
11.8 Non-Volatile Memory
Non-Volatile Memory is used to hold the device’s conguration parameters.
New data is written to this memory immediately on execution of a write command.
11.9 Modes
Fixed current mode is implemented, using Command#40. This mode is cleared by power loss or reset.
11.10 Write Protection
Write-protection is provided with Device Specic Command#128. This command takes eect only if the writing of WP ag
is enabled. The parameter that allows the change is set via display in the specic menu. Refer to the ProComm Converter
IOM manual for more details.
11.11 Damping
Damping is standard, aecting only the PV and the loop current signal.