User's Manual

6
5. Product Description
5.1 System Diagram
Power
&
MODBUS
Program
&
PM
Module
Microcontroller
&
RFID Transceiver
RF Switch
Zone
1
Zone
2
Zone
3
Zone
4
Zone
5
Zone
12
Zone
11
Zone
10
Zone
9
Zone
8
Zone
6
Zone
7
Antenna
Antenna
Antenna
Antenna
Antenna
Antenna
RF Reader Board
Addressable RFID System
5.2 External Connections
5.2.1 MODBUS Connector
The power and P-BUS/C-BUS signals are located on the RJ45 “MODBUS” connector. The connector type is Molex 4320288113 or
equivalent. This connector is keyed.
Signal Name
Signal Type
Pin Number
CBUS+
RS-485
J14-1
CBUS-
RS-485
J14-2
5V_RAW_SRB
Power
J14-3
PBUS-
RS-485
J14-4
PBUS+
RS-485
J14-5
GND
Ground
J14-6
12V_RAW_SRB
Power
J14-7
GND
Ground
J14-8