1⁄32 DIN Temperature, Process And Strain PID Controllers CNI32 Series

User Manual: CNI32

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⁄32 DIN Temperature,
Process and Strain PID Controllers

1

CNi32 Series
CNi3233, smaller than actual size.

FM
APPROVED

For Temp. Units

U	High Accuracy: ±0.03%
Reading, 0.5°C (±0.9°F)
U	Totally Programmable
Color Displays
U	User-Friendly,
Simple to Configure
U	Free Software
U	Full Autotune
PID Control
U	Universal Inputs:
Thermocouple RTD,
Process Voltage/
Current, Strain
U	RS232 and RS485
Serial Communications
(Optional)
U	Built-in Excitation
U	Temperature Stability
±0.04°C/°C RTD and
±0.05°C/°C TC
@ 25°C (77°F)
U	NEMA 4 (IP65)
Front Bezel
U	2 Control or Alarm
Outputs Optional:
DC Pulse, Solid State
Relays, Mechanical
Relays, Analog Voltage
and Current
U	Front Removable and
Plug Connectors

The OMEGATM CNi32 is the iSeries
controller in the extremely compact
and increasingly popular 1⁄32 DIN size
(22.5 x 45 mm cutout). The CNi32 is
the most sophisticated and accurate
instrument available in the small
1
⁄32 DIN package, yet is still easy
to configure.

and is also valuable in measuring
offset and millivolt output of bridge
devices during manufacturing and
calibration. This model also features
10-point linearization which allows
the user to linearize the signal
input from extremely nonlinear
transducers of all kinds.

The CNi32 handles more
thermocouple, RTD, process
voltage and current inputs than
any other 1⁄32 DIN controller.

The CNi32 introduces a number of
unique features not yet found on any
other 1⁄32 DIN instrument. The CNi32
is the first 1⁄32 DIN controller with a
totally programmable display that
can change color between GREEN,
AMBER, and RED at any setpoint
or alarm point.The unique 9‑segment
LED characters greatly improves
alphanumeric representations.

The CNi32 is the first 1⁄32 DIN
controller with built-in excitation
for transmitters or other devices,
24 Vdc @ 25 mA.
The CNiS32 has built-in excitation
for bridge transducers, 5 Vdc @
40 mA or 10 Vdc @ 60 mA. When
communications options are
installed, external excitation may
be used and ratiometric operation
maintained by connecting the
external excitation to the sense
leads. Both 4- or 6-wire bridge
configurations are supported for
internal or external excitation.
Non-ratiometric operation is supported
for voltage and current transducers

The CNi32 is the first 1⁄32 DIN
controller offering 2 SPDT Form C
relays, instead of the single throw
relays on typical 1⁄32 DIN controllers.
The CNi32 is the first to offer
both RS232 and RS422/485 serial
communications in 1 instrument
(C24 option). The ASCII protocol is
selectable from the menu.

The iSeries displays feature unique 9‑segment LED characters, which greatly
improves alphanumeric representations. The 7‑segment LED characters found
on most instruments are adequate for presenting numbers, but not letters.
Words are easier to read with the unique
9‑segment LED characters on the iSeries,
9‑segment
display and programming
which
makes operating
simpler and easier.

9-segment LED

1

7‑segment display

9‑segment display

DPi32-B-COVER front
panel button cover
supplied with each
unit, standard.

CNi3244, shown smaller
than actual size.

CNi3233, shown smaller
than actual size.
22.50 +0.61/-0
(0.886 +0.024/-0.000)

45.00 +0.61/-0.00 (1.772 +0.024/-0.000)
48.0
48.0
(1.89)
(1.89)
PANEL THICKNESS
6.4 MAX
0.6 MIN

25.4
25.4 (1.00)
(1.00)

1

PANEL CUTOUT /32 DIN

REAR VIEW

Dimensions: mm (inch)

Panel
availa punches
ble,
OMEGA visit

Options
Suffix Ordering Description
-AL	Limit alarm version
(alarms only, no PID
control)2
-SM	Simplified menu (on/
off control or alarms,
no PID)3
Network Options
-C24
Isolated RS232 and
RS485/422, 300 to
19.2 Kb1
Power Supply
-DC
12 to 36 Vdc,
24 Vac1
Factory Setup
-FS	Factory setup and
configuration
-FS(RTD-1N)
Customized CNiS
model for MIL-T7990B nickel RTD
input, 0 to 200°C
(32 to 392°F)
-FS(RTD-2N)	
Customized CNiS
model for MIL-T7990B nickel RTD
input, -40 to 300°C
(-40 to 572°F)
Software (Requires Network Option)

		

OmegaEnterpriseGateway

Logging/Alarming/
Monitoring with
Integration 		
Capabilities

 xcitation not available with “-DC” or
E
“-C24” options.
“-AL” option not available on models with
analog (option 5) output.
3 “-SM” option not available on CNiS strain/
process input models.
1
2

48.0
48.0
(1.89)
(1.89)

25.4
(1.00)
25.4 (1.00)
FRONT VIEW

To Order
Model No.
Output 1
Temperature/Pressure Input
CNi3222
0.5 A SSR
CNi3223
0.5 A SSR
CNi3224
0.5 A SSR
CNi3233
Relay
CNi3242
DC pulse
CNi3243
DC pulse
CNi3244
DC pulse
CNi3252
Analog
CNi3253
Analog
CNi3254
Analog
Strain/Process Input
CNiS3222
0.5 A SSR
CNiS3223
0.5 A SSR
CNiS3224
0.5 A SSR
CNiS3233
Relay
CNiS3234
Relay
CNiS3242
DC pulse
CNiS3243
DC pulse
CNiS3244
DC pulse
CNiS3252
Analog
CNiS3253
Analog
CNiS3254
Analog

Output 2
0.5 A SSR
Relay
DC pulse
Relay
0.5 A SSR
Relay
DC pulse
0.5 A SSR
Relay
DC pulse
0.5 A SSR
Relay
DC pulse
Relay
DC pulse
0.5 A SSR
Relay
DC pulse
0.5 A SSR
Relay
DC pulse

Accessory
Model No.
Description
1
DPP-1
⁄32 DIN panel punch
EIT-W-485	
Industrial iServer Microserver™, serves 32 devices
Comes complete with DPi32-B-COVER and operator’s manual.
Ordering Examples: CNi3222-C24, 1⁄32 DIN PID controller with 2 solid-state relays for PID
control and serial communications, both RS232 and RS485.
CNiS322-AL, 1⁄32 DIN strain/process controller, limit alarm version with SSR output.

2

TM

Common Specifications (All i/8, i/16, i/32 DIN)

Input Impedance: 10 MΩ for 100 mV;
Universal Temperature and
Process Input (DPi/CNi Models) 1 MΩ for 1V or 10 Vdc
Accuracy: ±0.5°C temp; 0.03% rdg
Resolution: 1°/0.1°; 10 µV process
Temperature Stability:
RTD: 0.04°C/°C
TC @ 25°C (77°F): 0.05°C/°C
Cold Junction Compensation
Process: 50 ppm/°C
NMRR: 60 dB
CMRR: 120 dB
A/D Conversion: Dual slope
Reading Rate: 3 samples/s
Digital Filter: Programmable
Display: 4-digit 9-segment LED
10.2 mm (0.40"); i32, i16, i16D, i8DV
21 mm (0.83"); i8 10.2 mm (0.40") and
21 mm (0.83"); i8DH RED, GREEN,
and AMBER programmable colors
for process variable, setpoint and
temperature units
Input Types: Thermocouple, RTD,
analog voltage, analog current
Thermocouple Lead Resistance:
100 Ω max
Thermocouple Types (ITS 90):
J, K, T, E, R, S, B, C, N, L (J DIN)
RTD Input (ITS 68): 100/500/1000 Ω
Pt sensor, 2-, 3- or 4-wire; 0.00385 or
0.00392 curve
Voltage Input: 0 to 100 mV, 0 to 1V,
0 to 10 Vdc
Input Impedance: 10 MΩ for 100 mV
1 MΩ for 1 or 10 Vdc
Current Input: 0 to 20 mA (5 Ω load)
Configuration: Single-ended
Polarity: Unipolar
Step Response: 0.7 sec for 99.9%
Decimal Selection:
Temperature: None, 0.1
Process: None, 0.1, 0.01 or 0.001
Setpoint Adjustment:
-1999 to 9999 counts
Span Adjustment:
0.001 to 9999 counts
Offset Adjustment: -1999 to 9999
Excitation (Not Included with
Communication): 24 Vdc @ 25 mA
(not available for low-power option)

Universal Strain and Process
Input (DPiS/CNiS Models)

Accuracy: 0.03% reading
Resolution: 10/1µV
Temperature Stability: 50 ppm/°C
NMRR: 60 dB
CMRR: 120 dB
A/D Conversion: Dual slope
Reading Rate: 3 samples/s
Digital Filter: Programmable
Input Types: Analog voltage and current
Voltage Input: 0 to 100 mVdc,
-100 mVdc to 1 Vdc, 0 to 10 Vdc

Current Input: 0 to 20 mA (5 Ω load)
Linearization Points: Up to 10
Configuration: Single-ended
Polarity: Unipolar
Step Response: 0.7 sec for 99.9%
Decimal Selection: None, 0.1, 0.01
or 0.001
Setpoint Adjustment:
-1999 to 9999 counts
Span Adjustment: 0.001 to 9999 counts
Offset Adjustment: -1999 to 9999
Excitation (Optional In Place Of
Communication): 5 Vdc @ 40 mA;
10 Vdc @ 60 mA

Control

Action: Reverse (heat) or direct (cool)
Modes: Time and amplitude proportional
control; selectable manual or auto PID,
proportional, proportional with integral,
proportional with derivative and anti-reset
Windup, and on/off
Rate: 0 to 399.9 s
Reset: 0 to 3999 s
Cycle Time: 1 to 199 s; set to 0 for on/off
Gain: 0.5 to 100% of span; setpoints 1 or 2
Damping: 0000 to 0008
Soak: 00.00 to 99.59 (HH:MM), or OFF
Ramp to Setpoint:
00.00 to 99.59 (HH:MM), or OFF
Auto Tune: Operator initiated from
front panel

RS485: Addressable from 0 to 199
Connection: Screw terminals

Alarm 1 and 2 (Programmable)
Type: Same as output 1 and 2
Operation: High/low, above/below,
band, latch/unlatch, normally open/
normally closed and process/deviation;
front panel configurations
Analog Output (Programmable):
Non-isolated, retransmission 0 to 10 Vdc
or 0 to 20 mA, 500 Ω max (output 1 only);
accuracy is ± 1% of FS when following
conditions are satisfied: input is not scaled
below 1% of input FS, analog output is not
scaled below 3% of output FS

General

Power: 90 to 240 Vac ±10%, 50 to 400
Hz*, 110 to 300 Vdc, equivalent voltage
Low Voltage Power Option: 24 Vac**,
12 to 36 Vdc for DPi/CNi/DPiS/CNiS;
20 to 36 Vdc for dual display, ethernet
and isolated analog output from qualified
safety approved source

Isolation

Power to Input/Output: 2300 Vac
per 1 minute test
For Low Voltage Power Option:
1500 Vac per 1 minute test
Power to Relay/SSR Output:
2300 Vac per 1 minute test
Relay/SSR to Relay/SSR Output:
2300 Vac per 1 minute test
RS232/485 to Input/Output:
500 Vac per 1 minute test
Environmental Conditions:
All Models: 0 to 55°C (32 to 131°F)
90% RH non-condensing
Control Output 1 and 2
Dual Display Models:
Relay: 250 Vac or 30 Vdc @ 3 A (resistive
0 to 50°C (32 to 122°F), 90% RH
load); configurable for on/off, PID and ramp
non-condensing (for UL only)
and soak
Protection:
	
DPi/CNi/DPiS/CNiS32,16,16D, 8C:
Output 1: SPDT, can be configured as
NEMA 4X/Type 4 (IP65) front bezel
alarm 1 output
DPi/CNi/DPiS/CNiS8, 8DH, 8DV:
Output 2: SPDT, can be configured as
NEMA 1/Type 1 front bezel
alarm 2 output
Approvals: UL, C-UL, CE per
SSR: 20 to 265 Vac @ 0.05 to 0.5 A
2014/35/EU, FM (temperature
(resistive load); continuous
units only)
DC Pulse: Non-isolated; 10 Vdc @ 20 mA Dimensions
Analog Output (Output 1 Only):
	i/8 Series: 48 H x 96 W x 127 mm D
(1.89 x 3.78 x 5")
Non-isolated, proportional 0 to 10 Vdc or
i/16 Series: 48 H x 48 W x 127 mm D
0 to 20 mA; 500 Ω max
(1.89 x 1.89 x 5")
Output 3 Retransmission:
i/32 Series: 25.4 H x 48 W x 127 mm D
Isolated Analog Voltage and Current
(1.0 x 1.89 x 5")
Current: 10 V max @ 20 mA output
Voltage: 20 mA max for 0 to 10 V output Panel Cutout
Series: 45 H x 92 mm W
Network and Communications 	i/8
(1.772 x 3.622"), 1⁄8 DIN
Ethernet: Standards compliance
i/16 Series: 45 mm (1.772") square,
IEEE 802.3 10 Base-T
1
⁄16 DIN
Supported Protocols:
i/32 Series: 22.5 H x 45 mm W
TCP/IP, ARP, HTTPGET
(0.886 x 1.772"), 1⁄32 DIN
RS232/RS422/RS485: Selectable from
Weight
menu; both ASCII and MODBUS protocol 	i/8 Series: 295 g (0.65 lb)
selectable from menu; programmable
i/16 Series: 159 g (0.35 lb)
300 to 19.2 Kb; complete programmable
i/32 Series: 127 g (0.28 lb)
setup capability; program to transmit
* No CE compliance above 60 Hz.
current display, alarm status, min/max,
** Units can be powered safely with 24 Vac
actual measured input value and status
power, but no certification for CE/UL are claimed.

3



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Title                           : 1⁄32 DIN Temperature, Process and Strain PID Controllers
Create Date                     : 2017:09:25 09:52:03-04:00
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