Flintec EM100-C - Power Connection

EM100-C User Manual
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Page 15 of 81
3.3.2. Power Connection
The power supply is designed to accept a +12V
DC
or +24V
DC
supply. The power supply ground is
not the same potential as the comms or main chassis ground pins. Only use the appropriate power
and return pins for the supply, all comms and GPIOs pins to be referenced to the associated comms
or main chassis ground.
EM100 J1 Pin Number
Pin Name
Function
1 & 3
Vin
Power Supply Input.
5 & 7
Vin Return
Power Supply Input GND.
17
GND
Main Chassis GND.
6 & 12
GND C
Communications GND.
9
Input 1
GPIO Input.
11
Input 2
GPIO Input.
13
Output 1
GPIO Output (Open-Drain).
15
Output 2
GPIO Output (Open-Drain).
19
Boot
Firmware Upgrade Facility.
2
CAN L
CANopen Differential Pin-.
4
CAN H
CANopen Differential Pin+.
8
RS-232 RX
Serial Port Input.
10
RS-232 TX
Serial Port Output.
14
RS-485 RX+
Differential Rx+ Pin.
16
RS-485 RX-
Differential Rx- Pin.
20
RS-485 TX+
Differential Tx+ Pin.
18
RS-485 TX-
Differential Tx- Pin.
Note: If using the USB port to setup and configure, it should be noted when a power cycle or
software reset (see ‘SR’ command) is applied, the USB cable may require disconnecting, then
reconnecting after powered up.