Integra Xmart MODBUS Reference Manual

ENGLISH
1.- Introduction
MODBUS card is designed to be installed in SNMP port of all of our Online UPS. This card
is able to provide communication for the UPS under following protocol:
- Implements MODBUS RTU protocol
- Provides MODBUS functions including read holding register and write registers.
- Provides RS232 & RS485 interface
2.- Product Description
1. RS-485 port
2. RS-485/RS232 port
3. Connector to the UPS
4. Address switch
3. Installation
1. Configure Modbus ID (according to section 4)
2. Configure communication format (according to section 4)
3. Configure RS-485 (according to section 4)
4. Insert Modbus card into the intelligent slot in the UPS (/according to figure 1)
5. Connect AC input to the UPS
6. Connect Modbus card to the computer (an external converter could be necessary)
MODBUS RS-485 CARD
REFERENCE MANUAL
5. Communication setting
6. Resistance switch
7. Jumpers
Figure 1: Remove slot cover & Insert Modbus card into the slot
4. Configuration
4.1. Configure Modbus ID:
Configure using SW1:
Switch down = ON = 1.
Switch up = OFF = 0.
First bit is in the right switch.
4.2. Configure Communication format:
Configure using switches from 1 to 4 in SW2
Function
Baud rate
Parity
check
1
MODBUS RS-485 CARD
Bit Setting Configuration
# 1 # 2
OFF OFF 2400bps
OFF ON 4800bps
ON OFF 9600bps
ON ON 19200bps
# 4 # 3
OFF OFF Even parity
OFF ON Odd parity
No parity check
ON OFF
1 stop bits
No parity check
ON ON
2 stop bits
REFERENCE MANUAL
2