Mesa 7I37, Руководство пользователя

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7I37 4
CONNECTORS
CONTROLLER CONNECTOR
50 pin header connector J1 connects to the IO card that controls the 7I37 isolated
I/O card. This can be a male 50 pin header on the top of the 7I37 card or a female 50
conductor header on the bottom side of the 7I37 depending on 7I37 model:
PIN FUNCTION DIRECTION PIN FUNCTION DIRECTION
1 IN0 FROM 7I37 25 IN12 FROM 7I37
3 IN1 FROM 7I37 27 IN13 FROM 7I37
5 IN2 FROM 7I37 29 IN14 FROM 7I37
7 IN3 FROM 7I37 31 IN15 FROM 7I37
9 IN4 FROM 7I37 33 OUT0 TO 7I37
11 IN5 FROM 7I37 35 OUT1 TO 7I37
13 IN6 FROM 7I37 37 OUT2 TO 7I37
15 IN7 FROM 7I37 39 OUT3 TO 7I37
17 IN8 FROM 7I37 41 OUT4 TO 7I37
19 IN9 FROM 7I37 43 OUT5 TO 7I37
21 IN10 FROM 7I37 45 OUT6 TO 7I37
23 IN11 FROM 7I37 47 OUT7 TO 7I37
Note: all even pins are grounded. 49 +5V PWR TO 7I37
AUX 5V POWER
4 pin header P1 or 2 pin terminal block P1 can be used to supply 5V power to the
7I37 if the controller cable is too long and voltage drop too high. P1 has the following
pinout:
PIN FUNCTION PIN FUNCTION
1 5V 1 5V (Square pad)
2 GND 2 GND
3 GND
4 5V
Four pin header is used on 7I37T, 7I37TA rev. D and earlier and 7I37 rev. B and
earlier. Two pin terminal block is used on 7I37TA rev. E and later and 7I37 rev. C and later.