Web User Interface; Addressing The Meter Racks - Siemens SENTRON Installation Manual

How to "Ping" your SEM3 Controller: (Default IP address:
192.168.1.65)
Open a Command Prompt and in the prompt type "ping"
followed by a space and the IP Address of the SEM3™ and press
Enter. (Do NOT type the quotation marks.)
The following should appear in the prompt window:
Pinging 192.168.1.65 with 32 bytes of data:
Reply from 192.168.1.65: bytes=32 time=56ms TTL=250
Reply from 192.168.1.65: bytes=32 time=60ms TTL=250
Reply from 192.168.1.65: bytes=32 time=69ms TTL=250
Reply from 192.168.1.65: bytes=32 time=78ms TTL=250
Ping statistics for 192.168.1.65:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 56ms, Maximum = 78ms, Average = 65ms
If not, then check your connection between the PC's Ethernet
port and the Controller MODBUS TCP/IP port.
Open a browser (such as Explorer, Chrome, etc.) and type the IP
address 192.168.1.65 in the top window. Default user name
is admin. Default password is SEM3. User name and password
can be set to user preference and ARE case-sensitive. Default
login brings user in at Supervisor level so that all screens can be
seen and modified. It is recommended that user account(s) and
password(s)be set as soon as possible.
To reset user name and password navigate to the User Profile
page.

7.2 Web User Interface

For a detailed description on using the web user interface of
the SEM3™ product please refer to the SEM3™ User Manual or
Quick Reference Guide found at www.usa.siemens.com/SEM3.

7.3 Addressing the Meter Racks

SEM3™ meter racks are hard-coded with discrete addresses
that allow simultaneous module-to-controller communications.
Three and six meter racks have a rotary dial for adjusting the
racks address range. All meter racks are shipped from the
factory with the rotary switch set to 0. Upon installation and
set-up the installer must adjust the rotary switch to uniquely
address each rack networked with a common controller. See
Table 1. The rotary switch is shown in Figure 10.
Figure 10: Six Pole Meter Module Rack with 10 Position Rotary
Switch
s l
10 SEM3™ Metered Bus Plug for SENTRON Busway Systems
Note: Meter racks are internal to the bus plug. However, a view
port with rotary switch access hole allows the user to ensure
proper phasing of the meter modules and verify that they are
receiving power. The small hole over the rotary switch allows for
the rack to be addressed without opening the bus plug cover.
The location of the six meter rack is shown in Figure 11. It may
be necessary to remove the front cover of the plug to access and
adjust the rotary switch. Loosen the two thumb screws on the
bus plug cover to access the rack.
DANGER: Ensure that breakers are in the OFF position before
removing the bus plug cover. Contact with live conductors
will result in serious injury or death.
METER
MODULE
RACK
Internal Location of Meter Module Rack in Metered Bus Plug
Figure 11: Internal Location of Meter Module Rack In Metered
Bus Plug
Note that the internal layout of the bus plug is common for
metered and controller bus plugs. In either case, the rotary
switch must be adjusted to suit the network configuration. See
Table 1.
Depending on the number of "daisy chained" bus plugs, three
meter module rack rotary switches are set to one of the
following: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E or F. Each
"daisy chained" meter module rack communicating with the
same controller must be assigned a unique switch setting.
Similarly, six position racks are set to one of the following: 0, 1,
2, 3, 4, 5, 6, 7, 8 or 9. This is illustrated in Table 1.
It is critical to note that there is an exclusivity condition for
the six meter module racks. 0 and 8 cannot both be chosen
as rotary switch settings for six position racks communicating
ROTARY SWITCH
with the same controller. This is also the case for six position
rack designations 1 and 9. This is because Modbus addresses
cannot be repeated when communicating with the same
controller. See Table 1.
If a combination of three and six meter plugs is required then
the user must ensure that the corresponding Modbus addresses
are not repeated between the three and six meter racks. Also
remember that the maximum number of poles that the
controller can monitor is 45 (given cable length restrictions in
section 6.3).
Figure 11: