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Programming Manual
2
Connect to Your Host
Both RS232 and USB interfaces are available in different models of FM400 series. Each model is equipped with
corresponding connector to meet various application demands.
USB Models (FM4xx-11x)
The USB models provide a plug-and-play solution. Both
USB HID and USB COM Port Emulation interfaces are
available for user’s choice.
RS232 Models (FM4xx-00x)
The RS232 models support the standard RS232 interface
equipped a 9-pin D-sub connector with power jack for
external 5Vdc power inlet.
Universal Models (FM4xx-98x)
The universal models support RS232 and USB interfaces
with OK/NG signal outputs and external trigger input.
Pin No. Signal Description I/O Type
Case FG Frame Ground ---
1 VCC --- I
2 Data - USB Data - I/O
3 Data + USB Data + I/O
4 GND --- ---
Pin No. Signal Description I/O Type
Case FG Frame Ground ---
1 --- --- ---
2 TXD Transmit Data I
3 RXD Receive Data O
4 --- --- ---
5 GND Signal Ground ---
6 --- --- ---
7 CTS Clear to Send I
8 RTS Request to Send O
9 VCC 5Vdc Power Supply I
Pin No. Signal Description I/O Type
1 VCC 5Vdc Power Supply I
2 TXD Transmit Data O
3 RXD Receive Data I
4 GND Signal Ground ---
5 --- --- ---
6 RTS Request to Send O
7 OK
OK Signal Output
(3-24Vdc)
O
8 Data + USB Data + I/O
9 Trigger External Trigger Input I
10 CTS Clear to Send I
11 --- --- ---
12 Data - USB Data - I/O
13 Shield Frame Ground ---
14 NG
NG Signal Output
(3-24Vdc)
O
15 Reserved
--- ---
4-pin Type A
Connector
9-pin D-sub
Female Connector
15-pin D-sub HD
Female Connector