CoolAutomation CoolMasterNet - RS232 Port; Ethernet Port

Connections
CoolMasterNet PRM Rev 0.7
9
www.coolautomation.com
© 2017 CoolAutomation
ModBus RTU CoolGate 4
CG4
L3,L4,L5,L6,L7
ModBus RTU CoolGate 5
CG5
L3,L4,L5,L6,L7
ModBus IP
Ethernet
SDDP
Ethernet
ASCII I/F
RS232, Ethernet
CoolRemote
Ethernet
4.3
RS232 Port
RS232 Interface on CoolMasterNet is available from the RS232 DB9 female connector. Below is a DB9
connector front view and signals table.
DB9 Pin
Signal Lvel
Description
2
±12V
TxD (Data from
CoolMasterNet to DTE
)
3
±12V
RxD (Data from DTE to
CoolMasterNet)
5
GND
Ground
1,4,6,7,8
Not Connected
Gender and pinouts of the RS232 cable supplied with CoolMasterNet are suitable for connection to PC RS232
port directly or via standard RS232 to USB adapter. Maximal length of the RS232 Cable should not exceed 25m.
By default RS232 Interface is dedicated for ASCII I/F. The default CoolMasterNet RS232 Port settings are:
Baud Rate
9600
Data Bits
8
Parity Control
None
Stop Bits
1
Flow Control
None
4.4
Ethernet
CoolMasterNet incorporates an IEEE 802.3 compatible 10/100 Mb/s Ethernet port supported via RJ45
connector. Below are main port features.
Parameter
Value
Notes
Max Ethernet Cable Length
137m
CAT5 twisted pair cable
Bit Rate
10/100 Mb/s
Supported Ethernet Protocols
10BASE-T/100BASE-TX
Protocol Auto-Negotiation
Enabled
Against Link Partner