13
6.
I/O interface diagram
6.1
TTL IO
For TTL IO : IO07 ~ IO00, IO17 ~ IO10
I/P specification:
V
I
**
V
IH
**
(min)
2V
V
IL
**
(max)
0.8V
V
O
**
V
OH
**
(min)
2.4V
V
OL
**
(max)
0.5V @24mA
For byte-programmable TTL I/O IO07 ~ IO00, IO17 ~ IO10 to configured as pull high or pull
low. JP0,JP1 are used for output state of power on. (refer 8.2 Jumper setting)
6.2
Isolated output diagram
For output:
OUT07~OUT00, OUT17~OUT10
OUT27~OUT20, OUT37~OUT30
OUT47~OUT40, OUT57~OUT50
OUT67~OUT60, OUT77~OUT70 (Relay)
O/P specification:
V
O
**
V
O
**
(max)
250Vac/30Vdc
Io **
I
O
**
(cont)
3A(rms)
Notes:
** V
I
, input voltage
** V
IH
, High-level input voltage
** V
IL
, Low-level input voltage
** V
O
, output voltage
** V
OH
, High-level output voltage
** V
OL
, Low-level output voltage
** I
O
, output current
