Metasys UNT Series - Page 27

UNT Controller—Unitary Controller (UNT) 27
Table 7: UNT110/111 and UNT120/121 Terminal Identification
Terminal Description Terminal Description
AI CM
Analog Input Common AI 1 Analog Input 1
AI CM
Analog Input Common AI 2 Analog Input 2
AI CM
Analog Input Common AI 3 Analog Input 3
AI CM
Analog Input Common AI 4 Analog Input 4
AI CM
Analog Input Common AI 5 Analog Input 5
AI CM
Analog Input Common AI 6 Analog Input 6
+15 VDC
+15 Volts DC supply +15 VDC +15 Volts DC Supply
24 VAC
24 Volts AC BI 1 Binary Input 1
24 VAC
24 Volts AC BI 2 Binary Input 2
24 VAC
24 Volts AC BI 3 Binary Input 3
24 VAC
24 Volts AC BI 4 Binary Input 4
24 VAC POWER
Transformer High Side
COMMON
Transformer Low Side
ZBUS
Zone Bus
REF
N2 Reference
N2-
N2 Bus -
N2+
N2 Bus +
24 VAC
24 Volts AC BO 1 Binary Output 1
24 VAC
24 Volts AC BO 2 Binary Output 2
TRIACS
Shared Triac Node BO 3 Binary Output 3
COMMON
Common BO 4 Binary Output 4
COMMON
Common BO 5 Binary Output 5
COMMON
Common BO 6 Binary Output 6
COMMON/AOCM
Common/
AO Common
BO 7 / AO 1 Binary Output 7
Analog Output 1
COMMON/AOCM
Common/
AO Common
BO 8 / AO 2 Binary Output 8
Analog Output 2