Armstrong ERS-LC Series Manual page 26

2.8.2 Communication protocol for RS485 interface - MODBUS and BACnet
Modbus Register
Address
10001
10002
10003
10004
10005
10006
10007
10008
10009
10010
10011
10012
10013
10014
10015
10016
10017
10018
10019
10020
Designs, materials, weights and performance ratings are approximate and subject to change without notice. Visit armstronginternational.com for up-to-date information.
26
Bacnet Object
Class / instance # / ID (hex)
BI 0 00C00000
BI 1 00C00001
BI 2 00C00002
BI 3 00C00003
BI 4 00C00004
BI 5 00C00005
BI 6 00C00006
BI 7 00C00007
BI 8 00C00008
BI 9 00C00009
BI 10 00C0000A
BI 11 00C0000B
BI 12 00C0000C
BI 13 00C0000D
BI 14 00C0000E
BI 15 00C0000F
BI 16 00C00010
BI 17 00C00011
BI 18 00C00012
BI 19 00C00013
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Description
Fill valve
Drain valve
Contactor 1
Contactor 2
Blower pack
Service relay
Alarm relay
On/Off Relay
High limit switch
Alarm A1 state
Alarm A2 state
Alarm A3 state
Alarm A4 state
Alarm A5 state
Alarm A6 state
Alarm A7 state
Alarm A8 state
Alarm A9 state
Alarm A10 state
Rh sensor error
Armstrong International
Value
1 = filling -- 0 = no filling
1 = draining -- 0 = no drain-
ing
1 is ON -- 0 is OFF
1 is ON -- 0 is OFF
1 is on -- 0 is off
1 is ON -- 0 is OFF
1 is ON -- 0 is OFF
1 is ON -- 0 is OFF
1: detected -- 0: not detected
1 is ON -- 0 is OFF
1 is ON -- 0 is OFF
1 is ON -- 0 is OFF
1 is ON -- 0 is OFF
1 is ON -- 0 is OFF
1 is ON -- 0 is OFF
1 is ON -- 0 is OFF
1 is ON -- 0 is OFF
1 is ON -- 0 is OFF
1 is ON -- 0 is OFF
1 is ON -- 0 is OFF