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6
DATA1_N
7
DATA2_P
2.3.5 DIO Connector
The BRAV-7520/BRAV-7521 provides 16-bit Iso. DIO by a 2*10pin phoenix connector, 8-bit Iso.
DI(High:5-24V,Low:0-1.5V) and 8-bit Iso. DO(200mA). Table 2.6 for
Table 2.6: 16-bit DIO Pin Assignments
Pine
1
2
3
4
5
6
7
8
9
10
(All of the above DIOs are TTL signals, digital inputs (high level 1: 2-5.25V, low level 0: 0-0.8V), digital
output (high level 1: minimum 2.4V, low level 0: Maximum 0.4V).)
2.3.6 COM Connector
The BRAV-7520/BRAV-7521 provides 4 serial ports of COM1/2/3/4 by 4*D-sub 9-pin connectors.
COM1/2
can be configured as RS232、RS422 or RS485 by BIOS setup. COM3/4 only support RS232.
Table 2.7 for COM1/2 pin assignments. Table 2.8 for COM3/4 pin assignments.
13
CTRL
14
GND
Figure 2. 7
DIO Signal
Pin
DI0
11
DI1
12
DI2
13
DI3
14
DI4
15
DI5
16
DI6
17
DI7
18
ECOM1
19
VCC_ISO
20
18
20
PWR
Pin assignments.
DIO Signal
DO0
DO1
DO2
DO3
DO4
DO5
DO6
DO7
E_GND
PCOM1
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