Quantech QTC4 STYLE A Series User Manual

SECTION 7 - OPERATION
QUANTECH
101
FORM QTC4-NM1
ISSUE DATE: 4/2/2018
7
1. Press the PROGRAM key once.
2. Enter password 5255.
3. Press (ENTER) to display the Port 1 (P1).
settings.
Set the following parameters:
1. DE Modier Address: N/A
2. DE Modier Offset; N/A
3. P1 Protocol : Set to N2
4. P1 Manual MAC Address: Set to 0-127 as re-
quired by the parameters set in the BAS network.
5. P1 Baud Rate : 9600
6. P1 Parity: None (Default Setting)
7. P1 Stop Bits1: (Default Setting)
MODBUS Setup Port 2
The QTC4 03478 microboard supports Mod-
bus RS232 or RS485 communications for Port 2
communications. Port 2 communications can be
directed to either TB1 for RS232 or TB2 for RS485.
To connect to the network:
1. Connect your Modbus Network to Port 2 on
the IPU II I/O Board as shown in Figure 18 on
Page 99.
2. Set up the QTC4 Port 2 (P2) for Modbus
Communications.
To access the communication parameters:
1. Press the PROGRAM key once.
2. Enter the password 5255.
3. Press the (ENTER) key to display the Port 1
(P1) settings.
Set the following parameters:
1. DE Modier Address: Set to 1
2. DE Modier Offset: Set to 0
3. P1 Protocol: Set to API
4. P2 Protocol: Set to Modbus Server
5. P2 Manual MAC Address: Set to 0-127
(as required by Modbus network)
6. P2 Baud rate: Set to 19.2K
(or as required by the Modbus network)
7. P2 Parity: Set to NONE
(or as required by Modbus network)
8. P2 Stop Bits: Set to 1
9. P2 Hw Select Bit: Set to RS-485 or RS-232
( as required by Modbus network)
10. J13-5 Remote Stop Start must be closed for BAS
remote commands to take effect. If this input is
open the unit will shut down and the panel will
display the message:
REMOTE STOP - NO RUN PERMISSIVE.
E-LINK OR SC-EQ INTERFACE
Communications to a LON network requires a LON E-
Link and Port 2 set for YorkTalk 2. Connected Services
require a SC-EQ and Port 2 set for YorkTalk 2.
To connect to the network:
1. Connect the E-Link or SC-EQ to Port 2 on the
IPU II I/O Board as shown in Figure 18 on Page
99.
2. Set up the QTC4 Port 2 (P2) for YorkTalk 2
Communications.
To access the communication parameters:
1. Press the PROGRAM key once.
2. Enter the password 5255.
3. Press the (ENTER) key to display the Port 1
(P1) settings.
Set the following parameters:
1. DE Modier Address: Set to -1
2. Chiller ID: 0
3. Cycle power to the Microboard following port
setups.
You must always cycle power to the mi-
croboard following port setting changes

Quantech QTC4 STYLE A Series Specifications

General

Brand	Quantech
Model	QTC4 STYLE A Series
Category	Chiller
Language	English