The
DX-9100
A Programmable Logic Controller
For HVAC Applications
DX-9100 Hardware
ANALOG
OUTPUTS 8+8
24
VAC
3+3
Terminal
Cover
35
DIGITAL
INPUTS 8+8
TRIAC
OUTPUTS
6+6
RD
X
D
Y
XT
Z
A
TD
XT
Omega Rail
35 mm/1 3/8 in.
12 5 m m
AL
C
DIN/EN 50022
K
A/M
E
ESC
RS232
XT
N2
ANALOG INPUTS
Terminal
BUS
BUS
12+12
Cover
D
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 DIN rail mounted backplate for I/O
connections
DX-9100 Hardware
Bus connector (provided)
HOT
GND
NEUT
RS485
EXP
A B CA B C
EXP
AI1 AI2 AI3 AI4
ADDRESS
EXP
+15V
max
AO7
min
TR9100
FUSE
max
AO8
min
XT9100
XP9102
D O1
D O2
D O3 D O4
EXP
DO1
DO2
DO3
DO4
DO5
Power
RD
TD
EXP
DO6
DO7
DO8
XP9103
FUSE
COM 24V
TR
COM 24V
XT
AI5 AI6 V
AO7
AO8
XP1
C
24V
DO5 DO6 DO 7 DO8
XP2
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 Expansion modules add to point
capacity
DX-9100 Hardware
 Basic controller supports 30 I/O points




8 Digital Inputs (Voltage-free contacts)
8 Analog Inputs (0-10VDC, 0-2-mA, 1000
6 Digital Outputs (Isolated triac, 24VAC)
8 Analog Outputs (0-10VDC, 4-20mA)
 Expansion Modules add up to 64 I/O
 6 AI / 2 AO
 4 DI / 4 DO
 8 DO
 8 DI
DX-9100 Hardware
 RS-485 (polling) or LonWorks™ (peer
to peer) bus to allow connection to
supervisory controller or modem dialer
(RS-485 only)
 RS-485 bus connects basic controller to
up to eight expansion modules
 Port for service module connection
 RS-232 port for connection to PC with
graphical programming tool
DX-9100 Software
Control Menu Box
Minimize/Maximize
Buttons
Title Bar
GX9100 - [Untitled]
File
Edit
View
Action
Controller
Window
Menu Bar
Help
Tool Bar
AI1
2 Analog
AI2
Outputs
AO1
AO2
DO3
AI3
AI4
8 Analog
AI5
Inputs
AI6
DO4
6 Digital
Outputs
DO5
DO6
AI7
DO7
AI8
DO8
DI1
DI2
DI3
DI4
DI5
8 Digital
Inputs
Scroll Bar
DI6
DI7
DI8
09:19:37 Tuesday, July 05, 1994
gxscre2
 Graphical programming environment place modules and draw connections
DX-9100 Software
 Points
 Field I/O points
 Data points (8 analog, 32 binary)
 Shared points (16 AI, 8 DI, 16AO, 8 DO)
 12 Definable Function Modules plus
Ladder Logic
 8 Time Schedules
 2 Adaptive Optimal Start Algorithms
DX-9100 Software
 Analog Inputs
 User Name /
Description
 Input Signal / Range
 Measurement Units
 Enable Square Root
 Enable Alarms
 Alarm Limits
 Filter Value
 Analog Outputs
 User Name /
Description
 Type of Output
 Source (numeric /
incremental)
 High / low range
 Forcing mode / level
 Hold / Auto on
power-up
 Output limits /
enable limits
DX-9100 Software
 Digital Inputs
 User Name /
Description
 Prescaler (used with
pulse count only)
 Output limits /
enable limits
 PAT stroke time /
DAT cycle time
 PAT deadband /
DAT minimum
on/off time
 Digital Outputs
 User Name /
Description
 Type of Output
 Source (numeric /
incremental)
 Feedback source
 High / low range
 Forcing mode / level
 Hold / Auto on
power-up
DX-9100 Software
HHDA LLDA HDA
OB@
OB
PB@
PB
PV@
PV
RV@
RV
RS@
RS
LDA CMH CML
EF
STA
SOF HOLD
f=(PB,TI,TD,EDB)
OCM
OUTPUT
LSP
REM
OF@
OF
SB@
SB
RA@
RA
EF@
EF
F (Modes,
BSB,BOF)
CMP
Supervisory Modes:
Limiting
And
Forcing
W SP
COMPUTER
HIL
LOL
STAE SOFE
START
UP
SHUT
OFF
HOLD
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 Powerful PID control algorithm
DX-9100 Software
 Proportional or
ON/OFF action
 Single or Dual
(heat/cool) option
 Deviation alarms
Single Proportional Module
BOF
BOF
Output
BSB
Output
PB
100 %




High-high
High
Low
Low-low
PB
BSB
100 %
HIGH LIMIT
(HIL)
HIGH LIMIT
(HIL)
LOW LIMIT
(LOL)
0%
LOW LIMIT
(LOL)
0%
Process
Variable
Process
Variable
Off
Standby
Off
Standby
Comfort
Comfort
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Dual ON/OFF Module
BOF1
Output
BSB1 DIF1
BOF2
DIF2
BSB2
100 %
Process
0%
Variable
Off
Off
Standby
Standby
Comfort
Comfort
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DX-9100 Software
 Average*
 Minimum*
 Maximum*
 Line Segment
 Psychometric (English or Metric)*
 Inputs are temperature, humidity,
atmospheric pressure
 Output is enthalpy, wet bulb, dew point
 Input Selector (4 channel)*
 Calculator (+, -, x, *
* Output range can be limited
DX-9100 Software
 Timer Function
 Pulse, Triggerable Pulse, On Delay, Off
Delay, On Delay With Memory
 Totalization
 DI event, DI time, AI consumption
 Comparator (with differential)
 Greater than, less than, equal, rate of
change
DX-9100 Software
 Sequencer module
 Input source is numeric or incremental
 Output is 8 / 16 DO
 Mode is last on / first off, first on / first
off, equal run-time, binary code
 Minimum on-time, minimum off-time,
interstage delays and maximum cycles
per hour can be specified
 Load factor for each stage used to
produce interstage analog output
DX-9100 Software
 Real-time clock
 Year, month, day of month, hour,
minute, second, day of week
(Mon … Sun + Holiday)
 Daylight savings
 Time schedules
 Start time, stop time, days of week
DX-9100 Software
Module updates
building factor.
Temperature
Control Range (Comfort Zone)
Zone Air Setpoint (SP)
delta Time
Warmup Curve
delta Temp
Purge
Time
Zone Air Temperature (ZT)
Purge
Time
Maximum Startup Time
Start Plant
(0SnOUT=1)
(0SnPRE=1)
(TSnOUT=0)
Occupancy
(TSnOUT=1)
(0SnPRE=0)
(0SnOUT=1)
Time
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 Adaptive Optimal Start calculates
minimum time to reach setpoint
DX-9100 Software
 Ladder Logic Control Module







Load
AND
OR
AND Block
OUT
SET
COS







Load NOT
AND NOT
OR NOT
OR Block
OUT NOT
RESET
END
DX-9100 Software
DI1
DI3
XT2DI1
B
XT2DI2
PM1SOF
LRS1
L
L
DI2
XT4DI5
XT4DI6
XT4D17
L
D17
L
LRS2
D18
COS
SET
LRS1
DCO1
L
LRS2
RST
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 Eight pages, each page with eight lines
of eight instructions
DX-9100 Keypad Operation
1
2
3
K
4
5
6
7
X
Y
Z
D A/M
K
E
8
RD
TD
AL
XT
+ -
X
D
Y
XT
Z
A
A/M
ESC
 Powerful, yet easy to use interface on
each DX-9100 controller
DX-9100 Keypad Operation








Display / modify time schedules
Display / modify date / time / holidays
Display AI point value / alarm status
Display / modify AI alarm limits
Display DI status
Display / modify DI counter value
Display / modify analog / digital outputs
Display / modify analog / digital data
DX-9100 Keypad Operation
 Display / modify P, I, D, Bias terms for
PID control loop
 Display / modify control action, bias,
differential terms for ON/OFF control
 Display / modify output and run-time
for sequencer module
 Display / modify value of totalization
module