Communication
Port COM3
RS-232 compatible serial port (CMOS)
Data Terminal Equipment (DTE)
8 pin modular jack
Half duplex
Implemented Td, Rd, and 5V power under program control.
Intended for use with SCADAPack Vision operator
interface.
Baud Rates
(COM1, COM2)
300, 600, 1200, 2400, 4800, 9600, 19200, 38400
Baud Rate
(COM3)
1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200
Parity
none, even, or odd
Word Length
7 or 8 bits
Stop Bits
1 or 2 bits
Transient
Protection
COM1, COM2: 2.5kV surge withstand capability as per
ANSI/IEEE C37.90.1-1989
Isolation
Common ground return connected to Chassis Ground.
Cable Length
RS-232 –maximum 10 ft (3 m)
RS-485 –maximum 4000 ft (1200 m)
Protocol
TeleBUS (compatible with Modbus RTU and Modbus
ASCII)
Protocol Modes
Slave, master, master/slave, store and forward
14.4 Visual Indicators
COM1
received data (Rx) LED
transmitted data (Tx) LED
COM2
received data (Rx) LED
transmitted data (Tx) LED
clear to send (CTS) LED
data carrier detect (DCD) LED
COM3
received data (Rx) LED
transmitted data (Tx) LED
Status
Power Mode LED
Run LED
Status LED (shows functional status)
Forced I/O LED
Digital Inputs / Outputs
8 LEDs
Counters
3 LEDs
Push-button
LED power toggle
14.5 Power Supply
DC power Input
30V maximum
10.0 to 11.5V turn on
9.5V typical turn off
SCADAPack LP Hardware Manual
May 26, 2006
42