Properties
ESERV-M12T Modbus Gateway
ESERV-M12T Modbus Gateway
24
ESERV-M12T
(Rev. 1210)
RS-485 4-wire - Similar speed and distance specifications as RS-422 but allows
multi-drop and full duplex connections.
Select the appropriate serial interface mode for the type of connection between the Modbus
gateway's serial port and the device connected to it.
Note: Refer to the Appendix D for connector and pin-out details.
MODBUS GATEWAY NAME
Modbus Gateway Name
is a unique name assigned to the Modbus gateway. It must be a valid hostname as
defined by RFC-952 and RFC-1123. The rules are:
It must consist only of the characters "A" to "Z", "a" to "z", "0" to "9" or "-"
It can start or end with a letter or a number, but it must not start or end with a "-
".
It must not consist of all numeric values.
GATEWAY SERIAL PORT NUMBER
The
Gateway Serial Port Number
of the currently selected port is shown in this field.
The ESERV-M12T Modbus Gateways features two serial ports.
SUBNET MASK
The
Subnet Mask
specifies the network mask the Modbus gateway uses when on a subnetted network.
For a Class A network (IP addresses 0.0.0.0 through 127.255.255.255) the default
subnet mask is 255.0.0.0.
For a Class B network (IP addresses 128.0.0.0 through 191.255.255.255) the
default subnet mask is 255.255.0.0
For a Class C network (IP addresses 192.0.0.0 through 233.255.255.255) the
default subnet mask is 255.255.255.0
Summary of Contents for ESERV-M12T
Page 1: ...ESERV M12T Modbus Gateway User Manual...
Page 12: ...Hardware ESERV M12T Modbus Gateway 7 ESERV M12T Rev 1210 Figure 9 ESERV M12T DIN Clips...
Page 40: ...Modbus Help ESERV M12T Modbus Gateway 35 ESERV M12T Rev 1210 Figure 24 Modbus Priority...
Page 46: ...Modbus Help ESERV M12T Modbus Gateway 41 ESERV M12T Rev 1210 Figure 31 Port 1 Modbus...
Page 48: ...Modbus Help ESERV M12T Modbus Gateway 43 ESERV M12T Rev 1210 Figure 33 Modbus Slave ID Routing...