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 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.
