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Table 11 - Values Required For Bas Communication; Table 12 - Real Time Error Numbers For Bas, Sc-eq Or E-link Communications Card - Quantech QTC4 STYLE A Series Installation Operation & Maintenance

Air-cooled screw liquid chillers with variable speed drive, 150 - 500 tons, 525 - 1750 kw, 2 compressor, 60 hz.
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SECTION 7 - OPERATION
The table below shows set-up requirements for each
communication protocol.

TABLE 11 - 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.
TABLE 12 - REAL TIME ERROR NUMBERS FOR
BAS, SC-EQ OR E-LINK COMMUNICATIONS CARD
ERROR
NUMBER (##)
0
ALL OK
1
DATUM TYPE OK TEST FAILED
2
ENGLISH TEXT TOO LONG
3
FLOATING POINT EXCEPTION
4
GET PACKET FAILED
5
GET TYPE FAILED
6
INVALID UNIT CONVERSION
7
INVALID HARDWARE SELECTION
8
REAL TIME FAULT
9
SPANISH TEXT TOO LONG
10
THREAD EXITED
11
THREAD FAILED
12
THREAD STALLED
13
IO BOARD RESET
14
RTC/BRAM INVALID
15
BACNET SETUP FAILED
102
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
N/A
N/A
DESCRIPTION
PROTOCOL
MODBUS RTU5
1
0
N/A
N/A
N/A
9600 or 19200
N/A
N/A
MODBUS SVR
0-127(1)
19,200(2)
NONE(2)
1
RS-485 or RS-232(1)
N/A
N/A
The Table 12 on Page 102 above shows the real time
error numbers that may be encountered during commu-
nication setup, along with a description of each.
This data can be read and in some cases modified
using a BACnet, Modbus, or N2 network connection.
The BACnet Name is a 12 character or shorter name
used to identify the data in BACnet. The AI, AV, BI,
and BV columns are indexes used to select the data.
The AI, AV, BI, and BV number associated with a
BACnet Name should not be changed. If a value is
not wanted in this table, change the BACnet Name to
SPARE_XX_##. SPARE rows can be used for new
values.When set to BACnet or N2, communications
automatically sets Stop Bit (1) and Parity (None) for
port.
When connected via BAS and port is set for BACnet,
Modbus, or N2, the remote settings will continue to
follow the remote setpoints until the port is changed
to another protocol or DEmodifier address is set to -1.
FORM QTC4-NM1
ISSUE DATE: 4/2/2018
N2
YORKTALK26
N/A
-1
N/A
N/A
N2
N/A
0-127(1)
N/A
N/A
NONE
N/A
1
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
0
QUANTECH

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