
14 Copyright ©2010 Microscan Systems, Inc.
MS-820-to-QX-830 Compact Industrial Scanner Transition Guide
QX-830 Pin Assignments
Discrete I/O
Safety Certifications
1 Trigger 1 Trigger 1 Terminated
2 Power 2 Power 2 Terminated
3 Default 3 Te rm in at e d 3 Terminated
4 New Master 4 Input 1 4 Port 4 TX (–)
5 Output 1 5 Port 3 422/485 TxD (+) 5 Port 4 RX (+)
6 Output 3 6 Port 3 422/485 RxD (+) 6 Port 4 TX (+)
7 Ground 7 Ground 7 Terminated
8 Input Common 8 Input Common 8 Port 4 RX (–)
9 RS-232 (Host) RxD 9 Port 2 TxD/Port 1 RTS
10 RS-232 (Host) TxD 10 Port 2 RxD/Port 1 CTS
11 Output 2 11 Port 3 422/485 TxD (–)
12 Output Common 12 Port 3 422/485 RxD (–)
MS-820 QX-830
Trigger Input
Optoisolated, 4.5–28V rated (12 mA
at 24VDC)
Trigger / New
Master / Input 1
Optoisolated, bi-directional,
4.5–28V rated (13 mA at 24VDC)
New Master Input
Optoisolated, 4.5–28V rated (12 mA
at 24VDC), New Master (–) to signal
ground
Output 1 / 2 / 3
Optoisolated, bi-directional, 28V,
100mA rated (current limited by
user)
MS-820 QX-830
Certifications CDRH, FCC, UL/cUL, CE, BSMI Certifications CDRH, FCC, UL/cUL, CE, CB, BSMI
Ground
Output 3
Output 1
Output 2
New Master
Default
Power
Input Common
Output Common
RS-232 RxD
Trigger
RS-232
TxD
Input
Common
RS-422/485 RxD (–)
RS-232 TxD/
RS-232 RTS
Trigger
RS-232 RxD/
RS-232 CTS
Power
Ground
RS-422/485
RxD (+)
RS-422/485
TxD (+)
RS-422/485 TxD (–)
Input 1
Terminated
Connector A (Serial)
M12 12-pin Plug
Connector B (Serial)
M12 12-pin Socket
TX (+)
RX (–)
RX (+)
TX (–)
Terminated
Termi na te d
Connector B (Ethernet)
M12 8-pin Socket
Terminated
Termi na ted
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