PTI security systems APEX - Page 57

D25
D27 D26
D28
D5
D4
D6
D2
D3
D1
D25 is on when INPUT1 (IN 1) is on D26 is on when INPUT2 (IN 2) is on D27 is on when INPUT3 (IN 3) is on D28 is on when INPUT4 (IN 4) is on
When on, shows communications BEFORE optical isolation:
D1 = RS-485 RX D2 = RS-485 TX D3 = RS=485 ENABLE When on, shows communications AFTER optical isolation: D4 = RS-485 RX D5 = RS-485 RX D6 = RS-485 ENABLE
D10 is on when RELAY1 (K1) is activated D11 is on when RELAY2 (K2) is activated
Drawing 20: LED layout on
the APEX board
53
rev. 7-2017 114A3863.E