TransCore MPRX 10-7200-001, Руководство пользователя

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Chapter 1 System Overview
TransCore Proprietary 1–21
Sense Connection
Refer to Figure 2 to see the the location of the MPRX sense port. Figure 4 shows the sense connector
socket designations.
The MPRX’s two RF sense input circuits are TTL (Logic Level, 0V/5V), designed to be shorted to I/O
Ground (0V) to provide sense presence detect for antenna ports 0 and 1 (Sense 0) and antenna ports 2
and 3 (Sense 1).
The MPRX’s tag lock output circuit is a single-pole, double-throw relay providing a dry contact closure.
These contacts are rated at 42.2V AC peak (30V
rms
) or 60 VDC, at 1A maximum with non-inductive load.
NOTE: If using the wayside option of the MPRX, host port Pin 3 is to be left as a no connect.
Hooking a voltage to this pin can damage the MPRX. The wayside option MPRX has Pin 3 tied to an
internal 5V supply. When Tag Lock is enabled, internal relay connects LOCK_RTN to LOCK(5V).
The output circuit is not intended for the direct control of electromechanical devices such as motorized
barrier arms. For such applications, the MPRX output circuit should be used to drive a secondary,
appropriately rated high-power relay.
Socket Number Operation
1 +12VDC OUT
2 OUT1
3 I/O GROUND
4 I/O GROUND
5 PULSE OUT
6 OUT0
7 CTAG 0
8 CTAG 1
9 I/O GROUND
10 I/O GROUND
11 SENSE 1
12 SENSE 0
Figure 4 Socket Designations for Sense Connector