Table 5: Termination details
Type of Input/
Output
Termination diagrams
Network Stat with Terminals
(Fixed Address = 199)
SA Bus
Setup and Adjustments
Setting the device addresses
Metasys
field controllers are devices on MS/TP (SA or
FC) buses. Before operating field controllers on a bus,
you
must
set a valid and unique device address for
each controller on the bus. You set a controller's device
address by setting the positions of the switches on the
DIP switch block at the top of the controller (Figure 3).
Consult the appropriate Communications Technical
Bulletin to find valid addresses for these controllers.
The DIP switch block has eight switches numbered 128,
64, 32, 16, 8, 4, 2, and 1 (Figure 9). Switches 64 through 1
are device address switches. Switch 128 is a mode switch
that enables a field controller to operate on a an FX-ZFR/
ZFR Pro Series Wireless Field Bus. Switch 128 must be set
to Off for all hard-wired SA and FC bus applications. Set
switch 128 to ON for wireless FC bus applications
only
.
Non-wireless devices may use addresses greater than 127
if they are using the N2 protocol.
Figure 9: Device address DIP switch block set to
address 21
Note:
Metasys
FEC controllers ship with switch
128 ON and the remaining address switches off
rendering the controllers wired devices, which do
not operate on MS/TP buses, but will not interfere
with bus operation. Set a valid and unique device
address on the controller before applying power to
the controller on the bus.
To set the device addresses on
Metasys
field
controllers:
1.
Set
all
of the switches on the address DIP switch
block (128 through 1) to off.
2.
Set one or more of the seven address switches
(64 though 1) to ON, so that the sum of the switch
numbers set to ON equals the intended device
address. See Table 6 for valid device addresses.
Set the highest number switch that is less than or equal
to the intended device address to ON. Then continue set-
ting lower numbered switches until the total equals the
intended address. For example, if the intended device
address is 21, set switch 16 to ON first, then set switch 4
ON, followed by switch 1 (16+4+1= 21). See Figure 9.
3.
Set switch 128 to ON
only
for controllers on a ZFR/
ZFR Pro Series Wireless Field Bus application. For all
hard-wired SA and FC bus applications, ensure that
switch 128 is set to Off.
Note:
Do
not
connect a controller with switch 128
set to ON to an active (hard-wired) SA or FC bus.
When a controller with switch 128 set to ON and a
device address from 4 to 127 is connected to a wired
field bus, the entire field bus is rendered inoperable
until the controller is disconnected or switch 128 is
set to Off.
Refer to the
WNC1800/ZFR182x Pro Series Wireless Remote
Field Bus System Technical Bulletin (LIT-12012356)
or the
ZFR1800 Series Wireless Field Bus System Technical Bulletin
(LIT-12011295)
for more information on device addresses
in wireless applications.
4.
Set a unique and sequential device address for each
of the controllers connected on the SA or FC bus
starting with device address 4.
To ensure the best bus performance, set sequential device
addresses with no gaps in the device address range (4,
5, 6, 7, 8, 9, and so on). The controllers do
not
need to be
physically connected on the bus in their numerical device
address order.
Metasys
System FEC1611 and FEC1621 Field Equipment Controller Installation Guide
14