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G
OLD
S
ERIES
GTC116 T
RANSMITTER
a measurable difference!
EBTRON
IG
_GTC
116_R
3
A
4.3.2
GTC116
‐
Setting
RS
‐
485
Network
Protocol
Transmitter protocol can be set for MS/TP or MODBUS as shown in the NETWORK submenu (Appendix A).
Tables 2 and
3
list the specific features of each protocol.
4.3.3
GTC116
‐
Setting
Transmitter
Address
The GTC116 is factory set to an address of 2. Each transmitter must be assigned a unique address between 0
and 127 for BACnet or 1 and 247 for Modbus prior to connecting it to the network. Set the address in the
NETWORK submenu (Appendix A).
4.3.4
GTC116
‐
Setting
Baud
Rate
The GTC116 transmitter default baud rate for MS/TP is 76,800 and for MODBUS is 19,200. Baud rate can be
configured in the NETWORK sub menu (Appendix A).
4.3.5
GTC116
‐
Setting
Modbus
Parity
When using Modbus communications protocol, Parity can be changed in the NETWORK submenu. Parity can
be set for Even (default), Odd, None 1 (with 1 stop bit), or None 2 (with 2 stop bits).
4.3.6
GTC116
‐
Setting
BACnet
Device
Instance
Number
When using BACnet communications protocol, the factory default Device Instance Number is 2. Device
Instance Number can be set as shown in the
NETWORK submenu. Device Instance Number can also be
changed to any number between 0 and
4,194,302 by writing to the Device Object's Object Identifier Property
over the network.
4.3.7
GTC116
‐
Resetting
Communications
Options
to
Factory
Default
Values
Communications options can be reset to factory default values (asterisk) * values using the GTC116 RESET
NET menu
option.
