User's Manual
Table Of Contents
- Contents
- Figures
- Introduction
- Installation
- Operation
- Troubleshooting
- Specifications
- Reader Specifications
- Environmental Specifications
- Battery Specifications (Optional)
- Power Supply Specifications
- RS-232 Connector Specifications
- RS-485 Connector Specifications
- RS-485/Ethernet Jumper Setting
- Ethernet LAN Connector Specifications
- Digital I/O Connector Specifications
- Optional Communication Cable Specifications
- Suitable Antenna Specifications
- Reader Configuration
- Tag Programming
- Configuring the IP Address

MP9320 V2.8 User’s Guide
16
Digital Input/Output Setup
The MP9320 V2.8 is equipped with a digital input/output (I/O) port that provides
four logic-level (TTL) input signals and four output signals. Refer to the SAMSys
Forth Programming Language Reference Guide for programming information.
The digital inputs are optically isolated. The outputs are open collector.
Figure 11–Digital Input/Output Port Configuration
Signal Name Pin No. Description
DIN0 7 Digital Input 0 - optically isolated
DIN1 14 Digital Input 1 - optically isolated
DIN2 13 Digital Input 2 - optically isolated
DIN3 5 Digital Input 3 - optically isolated
Digital input common 8, 15 Input commmon
DOUT0 4 Digital Output 0 - open collector
DOUT1 11 Digital Output 1 - open collector
DOUT2 10 Digital Output 2 - open collector
DOUT3 2 Digital Output 3 - open collector
Digital output common 1,9,3,6,12 Output common
4.7K
4.7K
4.7K
4.7K
Digital Inputs Digital Outputs
5-24 Vdc (8, 15)
DIN0 (7)
DIN1 (14)
DIN2 (13)
DIN3 (5)
Input
Common
Typical input
drive circuit
(user supplied)
DOUT0 (4)
DOUT1(11)
DOUT2 (4)
DOUT3 (2)
Output
Common (1,3,6,9, 12)
60 V max
500 mA max
Non-inductive
Typical Filter
Filter
Filter
Filter
Filter
4.7K
+5 Vdc
Typical TTL
output circuit
(user supplied)










