User Manual
5. Electrical Connection
13
Item
Remark
Name
Description
D
SD
SD
card
interface
Function is reserved
E
Debug
Debugging
serial port
Used for debugging local controller
F
RST
Reset port
Used for hardware reset of local
controller
G
DO1~DO4
Digital output
Relay output ports, where the relay
specification
is
250Vac/1A
or
30V/1A
DO-DO4: Not assigned
H
PT1,
PT2,
AI1~AI4
Analog input
Function is reserved
I
A1B1~A6B6
RS485
communicatio
n port
Supports 6 inputs of RS485, and
can be connected to slave devices
or background
J
CAN
CAN
communicatio
n port
Function is reserved
K
24V
DC24V power
supply port
Current
≤2.0A,
and
the
switch-mode power supply used for
this port should be insulated
intensely
L
AC
(100~240V)
AC
power
supply port
Connected
to
100~240Vac
(
50/60Hz
), and the current
≤0.5A
M
GPS/BDS
GPS antenna
port
Function is reserved
N
RF
Wireless
antenna port
Function is reserved
O
Grounding
hole
Connecting protection ground cable
P
PLC
（
L1/L2
）
PLC
Communicatio
n port
Function is reserved
Digital input/output ports (DIN
and
DO1~DO4) are configured to
collect node data and control node communication.
The farthest communication distance of COM1 to COM6 (A1B1
–
A6B6) is no more than 1000m.
Summary of Contents for EMS200
Page 1: ...EMS200 V12 UEN Ver11 201812 EMS200 Local Controller User Manual...
Page 2: ......
Page 6: ...IV...
