8
ABB Automation
1MRS 750107-MUM
Serial LonTalk
Adapter
Technical Reference Manual
SLTA Option Card
4.
Mechanical and electrical design
4.1.
Block diagram
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4.2.
Mechanical structure
The SLTA option card is built on a printed circuit board (PCB) of size 100 mm x
160 mm. The size of the front plate is 116.4 mm x 19.8 mm.
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RX
TX
LED
Control
Logic
Continuous
light control
Internal open
collector bus
Internal error
line
Fibre optic
interface
Control
Logic
LTS-20
diagnostic
LTS-20 SLTA core
module
RS232
interface
RS232
LED
Service
LED
Service
PIN
S1
Configuration
jumpers
S2
Configuration
jumpers
sslta_2
Service
Pin
Tx
Rx
0279C
FOC
RS232
Service
Led
RS232
SSLTA-C-MM
Fibre optic LED
RS232 LED
Configuration jumpers
Service LED
RS232
interface
Fibre
optic TX
Fibre
optic RX
Service pin
S1
S2
sslta_3
