SPM33 provides two relay operation modes. The action of relay is different
in these two modes. The default control mode of this product is remote control.
Users can modify to alarm control through panel relay setting or through
communication.
◆ Remote control (external) - The relay is controlled by a PC or PLC by
using commands through communication.
◆ Alarm Control (internal) - If there is an alarm generated, the relay on the
action, you can refer to specific alarm setpoint alarm.
◆ When setting as Alarm mode, Alarm Subject including All, Voltage, Current,
Frequency, Total active power, Voltage Phase lose, or DI 1 off, etc
Once the relay has been in the remote control mode, even if the alarms
generated, it will not act, the relay mode must be set to alarm mode, then can
operate the alarm action.
Reset (effective only under remote mode): When the relay acts, it can return to
the state after N times (N is set reset time, can be set by the panel and
communications, N = 0, the relay can`t reset, that is, relay will not restore to
original state).
Silencer: when elected relays, relay 1 in alarm mode, have a mute button
function simulation, when an alarm occurs, the relay 1 will have action, under
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