CEMP-E
TI 810-11
30 November 1998
HARDWARE
SOFTWARE
OUTPUT
INPUT
ALARMS
APPLICATION
PROGRAMS
DIGITAL
ANALOG
DIGITAL
ANALOG
DIGITAL
ANALOG
1
X
X
OUTSIDE AIR
X
HW SUPPLY
1
X
X
X
CONVERTER VALVE
1
DUAL-TEMP RETURN
1
X
X
DUAL-TEMP CHANGEOVER VALVE
1
DUAL-TEMP SELECTOR SWITCH
2
X
DUAL-TEMP PUMP
1
1
X
X
X
X
X
X
**
C - LAST COMMAND
O - ON (OPEN)
H - HIGH VALUE
F - OFF (CLOSED)
L - LOW VALUE
DDC DATA TERMINAL STRIP LAYOUT
DEVICE NO.
TYPE
DESCRIPTION
1
TT-XX-01
OUTSIDE AIR TEMPERATURE
AI
2
TT-XX-02
HW SUPPLY TEMPERATURE
AI
3
IP-XX-01
CONVERTER VALVE
AO
4
5
6
C-XX-01
D-T PUMP START/STOP
DO
7
C-XX-02
D-T PUMP STATUS
DI
8
9
10
TT-XX-03
DUAL-TEMP RETURN TEMP.
AI
11
12
C-XX-03
DUAL-TEMP CHANGEOVER
DO
13
C-XX-04
D.T. MODE SELECTION - HEAT
DI
14
C-XX-05
D.T. MODE SELECTION - COOL
DI
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Figure 4-10j. DDC control system I/O table and data terminal strip layout for central plant steam dual-
temperature hydronic system.