Gallagher T20 Note d'installation - Page 8
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Gallagher T20 Reader
Gallagher Controller 3000-8R or 3000-4R
The ports to which the Gallagher T20 Reader can connect are set up as groups:
•
Four groups (numbered 1 to 4) on the Controller 3000-8R, and
•
Two groups (numbered 1 and 2) on the Controller 3000-4R
Each group provides connection for two readers. Refer to the following diagram for
the location of the ports on the Controller 3000-8R.
Page 8
P4
P4
RS485
P2
PF4
PE4
PF3
PE3
PF2
PE2
PF1
PE1
P3
DETECTOR
LED
PD4
PC4
PB4
PD4
PC4
PD3
PC3
PB3
PD3
PC3
PD2
PC2
PB2
PD2
PC2
PD1
PC1
PB1
PD1
PC1
PB1 to PB4
PC1 to PC4
2 x Cardax IV Readers
Inputs
per connector
pin 1 = Input 1
pin 2 = Ground
Reader 1 = pins 1 & 3
pin 3 = Input 2
Reader 2 = pins 2 & 4
Pin 1 = Reader 1 transmit
Pin 2 = Reader 2 transmit
Pin 3 = Reader 1 receive
Pin 4 = Reader 2 receive
Installation Note
P1
J1 to J4
RS485
terminating resistors
PA4
Group 4
PA4
POWER
OUT
Group 3
PA3
PA3
POWER
OUT
Group 2
PA2
PA2
POWER
OUT
Group 1
PA1
PA1 to PA4
PA1
POWER
OUT
Power Out
pin 1 = power out
pin 2 = 0 V
Document Code: 3E3140
Edition 3, April 2013