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57
JOHNSON CONTROLS
FORM 145.05-NOM2 (807)
COMMUNICATIONS
The Versecon unit is designed to communicate with a
Building Automation System.
The Building Automation System communication uses
BACnet MS/TP, Modbus, or N2 protocol.
Communication Wiring
All the communication wiring is done with a twisted
pair shielded conductor. The (+) is connected to the (+)
connection on the Network Port of the control and the
(-) is connected to the (-) connection on the Network
Port of the control. The shield can be connected to the
Shield connection on the Network Port of the control.
The shield must only be connected to ground on one
end.
Network Baud Rate
Before setting the communication Baud Rate, power
needs to be removed from the control board. The control
only reads the Baud Rate information when the control
is fi rst turned on. The Baud Rate can be set at 9600 or
38400. The Baud Rate is set using the “Network Port
Baud Jumper” on the control board. If the jumper is
placed on the bottom two pins, the Baud Rate is 9600.
If the jumper is placed on the upper two pins, the Baud
Rate is 38400.
FIG. 6 – COMMUNICATION WIRING
MAC Address Switches
Access Port baud jumper
Network Port baud jumper
Network Port
1N9/1N10
LogiStat Port
38.4K
9600
1
2
3
4
Network baud
Access baud
6
Содержание YSCD
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Страница 105: ...105 JOHNSON CONTROLS FORM 145 05 NOM2 807 LD13009 8 FIG 11 WIRING DIAGRAM POWER CIRCUIT ...
Страница 106: ...106 JOHNSON CONTROLS FORM 145 05 NOM2 807 Service FIG 12 WIRING DIAGRAM MAIN CONTROL BOARD LD13010 ...
Страница 107: ...107 JOHNSON CONTROLS FORM 145 05 NOM2 807 8 FIG 13 WIRING DIAGRAM EXPANSION CONTROL BOARD LD13011 ...