Chengdu Ebyte Electronic Technology Co.,Ltd.
E150-400T30S user manual
Copyright ©2012–2022
，
Chengdu Ebyte Electronic Technology Co.,Ltd.
8
8
RXD
Input
TTL serial input, connect to external TXD output pin, pull-up input
9
TXD
Output
TTL serial output, connect to external RXD input pin
10
GND
Input
Module power ground
11
ANT
output/output
RF signal output/output terminal, IPEX interface, for connecting the
antenna
12
GND
Input
Module power ground
13
GND
Input
Module power ground
14
GND
Input
Module power ground
15
GND
Input
Module power ground
16
PWM1
output
PWM Output
17
PWM2
output
PWM Output
18
GND
Input
Module power ground
19
DAC1
output
DAC output pin
20
DAC2
output
DAC output pin
21
ADC1
Input
ADC input pin for voltage measurement (0~5V)
22
ADC2
Input
ADC input pin for voltage measurement (0~5V)
23
ADC4
Input
ADC input pin for current measurement (0~20mA)
24
ADC5
Input
ADC input pin for current measurement (0~20mA)
25
DI1
Input (very weak
pull-up)
Digital input, IO status can be inquired through Modbus commands
26
DI2
Input (very weak
pull-up)
Digital input, IO status can be inquired through Modbus commands
27
DI3
Input (very weak
pull-up)
Digital input, IO status can be inquired through Modbus commands
28
DI4
Input (very weak
pull-up)t
Digital input, IO status can be inquired through Modbus commands
29
DO1
output (open
drain)
Open-drain output, pull-up resistor must be added externally, otherwise
it cannot output high level
30
DO2
output (open
drain)
Open-drain output, pull-up resistor must be added externally, otherwise
it cannot output high level
31
DO3
output
(push-pull)
Push-pull output
32
DO4
output
(push-pull)
Push-pull output
