Johnson Systems EDI-120 Control Retrofit User Manual
Page 12

12
+12V
Common
+12V
Analog
Input
1 Thru 4
Common
+12V
Analog
Input
1 Thru 4
Maintained
Normally
Open
Switch
Contact
Normally
Open
Thermostat
Switch
Overtemp
Input
Normally
Open
Common
Maintained
Normally
Open
Switch
Contact
Common
Fire
Alarm
Input
Maintained
Normally
Open
Switch
Contact
Common
Security
Alarm
Input
Maintained
Normally
Open
Switch
Contact
Common
Auxiliary
Input
+12V
100mA
Max
Open
Collector
Output
+12VDC Power Supply Output
• A regulated +12VDC power supply is available for powering external
devices.
• Terminate on +12VDC and COMMON on the 6-position breakaway
connector provided.
• External devices should not exceed the maximum combined current draw
of 2 Amps.
0-10VDC Analog Inputs or Load Shed Contact Inputs
• Four (4) analog inputs terminate on the 6-position breakaway connector
provided.
• Inputs can be configured for normal or load shed mode of operation.
• Inputs can be patched to any combination of dimmer control outputs.
• Programmed in the “ANA MODE” and “ANA PAT” menus.
See page 24 and 25 for details.
Over-Temperature Input (Normally Open)
• OVERTEMP INPUT (N.O.) is terminated on the 6-position breakaway
connector provided.
• Disables all dimmer outputs when the thermostat contact/switch is closed.
• Controlled via a maintained contact/switch to low-voltage common
(COMMON).
Fire Alarm Input (Normally Open)
• FIRE ALARM (N.O.) is terminated on the 6-position breakaway connector
provided.
• Triggers selected channels to turn on when contact/switch is closed.
• Controlled via a maintained contact/switch to low-voltage common (COM).
• Programmed in the “F-ALARM” menu. See page 27 for details.
Security Alarm Input (Normally Open)
• SECURITY ALARM (N.O.) is terminated on the 6-position breakaway
connector provided.
• Triggers selected channels to cycle on and off at a 1 Hertz rate when
contact/switch is closed.
• Controlled via a maintained contact/switch to low-voltage common (COM).
• Programmed in the “S-ALARM” menu. See page 27 for details.
Auxiliary Input (Normally Open)
• AUXIALIARY INPUT (N.O.) is terminated on the 6-position breakaway
connector provided.
• Triggers 1 of 12 presets when contact/switch is closed.
• Controlled via a maintained contact/switch to low-voltage common (COM).
• Programmed in the “AUX IN” menu. See page 26 for details.
Open Collector Output
• OPEN COLLECTOR OUTPUT is terminated on the 6-position breakaway
connector provided.
• Sink up to 100mA.
• Trigger Solid State Relays (SSR) or other external devices.
• Controlled via DMX and/or Analog Input 4.
• Programmed in the “OC MODE” menu. See page 26 for details.