95
No analog output.
The analog is set as
“disable” or wrong
object.
Check through communication the setting
of analog.
No pulse output or
incorrect pulse output
The setting of the
pulse object or
constant is wrong.
Check through communication the setting
of pulse.
The communication
address of the meter
is not correct.
Check if the address of the meter is
consistent with its definition or if there
are more than two identical addresses in
the same network.
The communication
speed of the meter
is not correct.
Check if the communication speed of the
meter is consistent with its definition.
The communication
link has not been
connected to the
terminal resistor.
Check if the 120-Ohm resistor has been
connected.
The communication
link suffers
interference.
Check if the communication-shielding
layer has been earthed effectively.
There is no
communication
between the upper end
device and the meter.
The communication
line is interrupted.
Check if the communication cable has
been disconnected.