background image

Sigma_XT_signs_m3.5.docx 

 

     

Page 14 of 14

 

8.

 

Troubleshooting 

Output Unit refers to a SIGN, this fault will be 

 

Address is the same as another device in the 485 circuit 

 

Power has failed to the sign. 

 

RS485 signal has failed to the sign. 

 

Status Unit refers to an LCS, this fault will be 

 

Address is the same as another device in the 485 circuit 

 

Power has failed to the LCS. 

 

RS485 signal has failed to the LCS. 

 

9.

 

Specifications 

 

Internal Sign 

External Sign 

Local Control Station 

Size 

195 x 300 x 50mm 

195 x 300 x 50mm 

135 x 186 x 50mm 

Material  

1.2mm steel Epoxy coat 

Thermoplastic 

1.2mm steel Epoxy coat 

IP Rating 

IP 40 

IP 55 

IP 40 

Op. Voltage 

15V to 30V DC 

15V to 30V DC 

21 to 30v DC 

Current 

 Quiesant 

20 mA 

20 mA 

60 mA 

Current 

 Alarm State

 

140 mA

 

140 mA

 

70 mA

 

 

OUTPUT UNIT X      →

 

FAULT 

STATUS UNIT X      →

 

FAULT 

Summary of Contents for Sigma XT

Page 1: ...Fire Alarm and System Warning Signs Local Control Stations Installation and Operations Manual Serial Communications Type SIGMA XT FP Issue 3 5 March 2020...

Page 2: ...CS 7 Power and Data Connection 7 Connection to Hold and Mode inputs 8 Mode input 8 Hold input 8 Mode select keyswitch 8 Manual release 8 Processor and Watchdog Reset Switches 9 Internal fault indicati...

Page 3: ...tatus units have monitored inputs to which remote Hold or Mode select switches can be connected These inputs are monitored for open and short circuit faults and therefore need to have a 470R 1W trigge...

Page 4: ...Signs Mount Sunshade Remove cover and Internal circuit board Mount using suitable fixings ONLY Mount to sunshade surface if the enclosure is twisted on mounting it will crack over time Best practice...

Page 5: ...he corresponding terminals at the control panel Connecting Signs with RS485 Serial 3 1 1 Connecting up to 3 Signs For systems requiring up to 3 signs or devices to be installed wiring is as follows No...

Page 6: ...WN BEFORE ANY CHANGES TO SIGNS Connections for the first 3 signs or devices remains the same as the previous wiring diagram For more than 3 signs a separate power supply is required from the 24VDC out...

Page 7: ...r systems requiring a LCS to be installed wiring is as follows Notes FIP MUST BE POWERED DOWN BEFORE ANY CHANGES TO SIGNS If installed as one of the first 3 devices on the STATUS SERIAL RS485 circuit...

Page 8: ...e inputs Therefore for the system to be in Automatic and manual mode all Mode inputs must be inactive Indication of the Mode is given on the front of the status unit by the Manual only or Automatic an...

Page 9: ...e located along the bottom of the PCB and are as follows 4 8 1 COM This LED indicates that the data communications connection to the control panel is not present This may be because the data lines are...

Page 10: ...ERED DOWN BEFORE ANY CHANGES TO DEVICES IMPORTANT Devices with the same address will cause an intermittent fault to be displayed Assigning Sign Function In addition to addressing signs connected to th...

Page 11: ...utton on the module to view the faults If status units are detected the LCD will display X the address of the status unit found To accept the status units found slide the WRITE ENABLE switch on the mo...

Page 12: ...p to 3 additional signs There is no need to configure the address or sign function switches however the internal buzzer and flashing functions can still be adjusted separately IMPORTANT An additional...

Page 13: ...cables for the RS485 circuit with the FIP effectively in the middle of the circuit rather than at one end FIP MUST BE POWERED DOWN BEFORE ANY CHANGES TO SIGNS If process is done with power connected...

Page 14: ...ame as another device in the 485 circuit Power has failed to the LCS RS485 signal has failed to the LCS 9 Specifications Internal Sign External Sign Local Control Station Size 195 x 300 x 50mm 195 x 3...

Reviews: