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GT20 Wire and Programming Manual www.NabcoEntrances.com
P/N C-00140 Rev 5-7-18
CHAPTER 6: PROGRAMMING THE GT20 CONTROL
Do not place nger or uninsulated tools inside the electrical GT20 Control Touching wires or
other parts inside the enclosure may cause electrical shock, serious injury or death
Shut Breaker OFF Failure to do so may result in serious personal or fatal injury When
uncertain whether power supply is disconnected, always verify using a voltmeter
DN 1209
②
④
⑤
⑥
⑦
⑧
⑨
⑩
⑪
⑭
⑮
⑬
⑯
⑱
⑰
②
②
③
①
⑫
Table 2
Terminals (1-13)
# Description # Description # Description
1 Power/Program Selector Switch 7 Reference Switch Connecon 13 Joysck
2 Connecon Terminals 8 Potenometer (FSlam) 14 LEDs
3 LCD Display 9 Connecon to Encoder 15 Serial Port
4 CAN Bus Port 10 Connecon to Power Supply 16 Status LED = green
5 Processor 11 Buzzer 17 Status LED = green
6 Relay PCB Board (available March 2016) 12 USB Port 18 Jumper
Table 3
LEDs (14)
LED Description Indicator
SOK System OK Green ashing
OE acve Opening Element blue = acv
SE acve Safety Element yellow = acv
ERROR ERROR red
E-Lock Relay E-Lock Relay white