Table 6: Termination details
Type of field device
Type of Input/
Output
Termination diagrams
24 VAC Binary Output
(Switch Low, Internally
Sourced)
BO
Network Stat with
Phone Jack (Fixed
Address = 199)
SA Bus
Network Stat with
Terminals Addressable SA Bus
Network Stat with
Terminals (Fixed
Address = 199)
SA Bus
Setup and adjustments
Important:
Electrostatic discharge can
damage controller components. Use proper
electrostatic discharge precautions during
installation, setup, and servicing to avoid
damaging the controller.
Setting the device address
Metasys
field controllers are master devices on
BACnet
®
MSTP (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.
Set a field controller’s device address by setting
the positions of the switches on the Device Address
DIP switch block at the top of the controller (Figure
1). Device addresses 4 through 127 are the valid
addresses for these controllers.
The DIP switch block (Figure 9) has eight switches
numbered 128, 64, 32, 16, 8, 4, 2, and 1. Switches 64
through 1 are device address switches. Switch 128
VMA1617 and VMA1632 VAV Controllers Installation Guide
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