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Form 201.28-NM1.1
Issue date: 08/06/2021
The following table shows set-up requirements for each
communication protocol.
Table 12 - Values required for BAS communication
Setting description
DE modifier address
DE modifier offset
P1 protocol
P1 manual mac address
P1 baud rate
P1 parity
P1 stop bits
P2 protocol
P2 manual mac address
P2 baud rate
P2 parity
P2 stop bits
P2 HW select bit
Reset real time error
Chiller ID
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 Modifier 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.
JOHNSON CONTROLS
Protocol
BACnet MS/TP
0 to 41943
(3)
0 to 99
(4)
BACNET
0-127
(1)
9600 To 76800 or Auto
Selectable
(1)
NONE
1
N/A
N/A
N/A
N/A
N/A
N/A
RS-485 or RS-232
N/A
N/A
Modbus RTU
N2
5
1
N/A
0
N/A
N/A
N2
N/A
0-127
N/A
9600 or 19200
N/A
NONE
N/A
1
MODBUS SVR
N/A
0-127
N/A
(1)
19,200
N/A
(2)
NONE
N/A
(2)
1
N/A
N/A
(1)
N/A
N/A
N/A
N/A
SECTION 7 - OPERATION
YorkTalk2
6
-1
N/A
N/A
N/A
(1)
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
0
111
7
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