York YVAA Style A - BAS Communication Parameter Values; Parameter Settings for BAS Protocols

SECTION 7 - OPERATION
JOHNSON CONTROLS
111
Form 201.28-NM1.1
Issue date: 08/06/2021
7
The following table shows set-up requirements for each
communication protocol.
Table 12 - Values required for BAS communication
Setting description
Protocol
BACnet MS/TP Modbus RTU
5
N2 YorkTalk2
6
DE modifier address 0 to 41943
(3)
1 N/A -1
DE modifier offset 0 to 99
(4)
0 N/A N/A
P1 protocol BACNET N/A N2 N/A
P1 manual mac address 0-127
(1)
N/A 0-127
(1)
N/A
P1 baud rate
9600 To 76800 or Auto
Selectable
(1)
N/A 9600 or 19200 N/A
P1 parity NONE N/A NONE N/A
P1 stop bits 1 N/A 1 N/A
P2 protocol N/A MODBUS SVR N/A N/A
P2 manual mac address N/A 0-127
(1)
N/A N/A
P2 baud rate N/A 19,200
(2)
N/A N/A
P2 parity N/A NONE
(2)
N/A N/A
P2 stop bits N/A 1 N/A N/A
P2 HW select bit N/A RS-485 or RS-232
(1)
N/A N/A
Reset real time error N/A N/A N/A N/A
Chiller ID N/A N/A N/A 0
Notes:
1. As Required By Network.
2. Or Other As Required By Network.
3. Number Is Multiplied By 100, Set As Required By Network.
4. Number Is Added To DE Modier Address, Set As Required By Network.
5. Unit Operating Software Version C.Mmc.13.03 Or Later Required For Modbus Protocol.
6. E-Link or SC-EQ interface requires YorkTalk2 setup.