Switched quantity·Uarious independent each other contact signals (On/off)
TTL levelStandard TTL level of 0∼5 V, high level alarm

switched quantity output: ·relay control output-On/off (with backlash)
                                         ·Contact capacity: AC 220V/3A; DC24 V/5A (resistive load)
communication output: ·standard serial both-way communication interface
                                    ·communication mode: RS-232C, RS-485
                                    ·baud rate 300∼9600 bps (free set up)
                                    ·(only model X803 has communication function)

measuring channel
·8-channels (in digital alarm, instrument users can shut any channel which are not using)
display mode   ·LED of 0.8 inch high brightness displays the operation state for all channels.
                         ·Displays all channels operation state by planar luminotron tube
                        ·Displays LED operation state
Alarm mode     ·sound alarm: 220 V/8W electric bell (self-provided by users), buzzer (built-in instrument)
                      · Flash alarm: flash alarm for current alarm channel.
Alarm output  ·Relay contact capacity: AC220V/3A; DC24V/5A (resistive load)
Silencing test  users self-provide the panel silencing button and external connection silencing test button
Parameter set  ·Digital set on gently-touched panel keystroke;
                         ·permanent storage of parameter set value even after breaking off.
                        ·Parameters set value can be locked with cipher code