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H. COMMUNICATION MENU
EVCA Modulating Fire Test Procedures and Specifications
APPENDIX D (Cont…) – TSBC
TM
COMMUNICATIONS Menu
Display
Factory
Settings
Range/Choices
Description
Protocol
Peer to
Peer
Peer to Peer
Modbus
Selects between Peer-To-Peer (multiple boiler Lead/Lag control network) and a
Modbus slave communication.
Modbus
Address
1 1 to 247
Each boiler must be given a unique address.
Only visible when Protocol equals Modbus.
Baud
Rate
19.2
9.6
19.2
38.4
Units are 1000 Bits Per Second (KBPS).
Only visible when Protocol equals Modbus.
Parity Odd
Odd
Even
None
Only visible when Protocol equals Modbus.
Timeout 30 1 to 120 Only visible when Protocol equals Modbus.
Messages
Rcvd
Diagnostic tool used to confirm wiring and Modbus master configuration.
Only visible when Protocol equals Modbus.
Messages
Sent
Diagnostic tool used to confirm wiring and Modbus master configuration.
Only visible when Protocol equals Modbus.
Boiler
Address
1 1 to 8
Each boiler must be given a unique address. The boiler address assignment
determines the boiler sequencing order. A value of 0 disables the network
communications.
Only visible when Protocol equals Peer to Peer.
Online
Status
xxxxxxxx
Each space can be either the boiler address or a ‘ - ‘ depending on whether there
is a boiler of that address on-line.
Example: - - 6 - - - 321 indicates that boilers 6,3,2 and 1 are online
Only visible when Protocol equals Peer to Peer.
.
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