
1
⁄4 DIN Temperature
Controllers
CN730 Series
U Dual Display
U Autotune
U RS485 Communications
U Free Software
U Alarm Functions
U Thermocouple/
RTD Inputs
U Output Status
The CN730 Series 1⁄4 DIN
temperature controllers offer
easy-to-use programming menus
designed for quick installation.
Control functions include ON/OFF,
PID, auto-tuning or manual tuning.
The CN730 Series is available with
relay, dc pulse or current output with
two additional alarm outputs. The
alarm outputs can be configured
from 12 different preprogrammed
settings. The CN730 Series accepts
a variety of thermocouple and RTD
inputs. Process value and set-point
value are simultaneously displayed
with the process value in red and
setpoint in green.
Specifications
Inputs: Thermocouple or RTD,
see chart
Display: Two 4-digit, 7-segment, LEDs
PV: Red, 19 mm H (0.75")
SV: Green, 12.7 mm H (0.5")
Accuracy: ±0.25% span, ±1 least
significant digit
Supply Voltage: 100 to 240 Vac,
50/60 Hz
Power Consumption: 5 VA max
Operating Temperature:
(32 to 122°F)
Memory Backup: Nonvolatile memory
Control Output Ratings:
Relay: SPST, 5A @ 250 Vac resistive
Voltage Pulse: 14V, 10 to -20%
(max 40 mA)
Current: 4 to 20 mA
Communication: RS485 MODBUS
communication protocol
Panel Cutout:
(3.622 in
Dimensions: 96 x 96 x 15.8 mm bezel
(3.78 x 3.78 x 0.625")
Panel Depth: 79.2 mm (3.125")
Weight: 425 g (15 oz)
Front Panel Rating: IP66
2
)
1
⁄4 DIN, 92 mm2
0 to 50°C
Panel punches
available, visit
omega.com/
panelpunches
®
CN733
Input Types Range
100 to 1800°C (212 to 3272°F)
0 to 1700°C (32 to 3092°F)
0 to 1700°C (32 to 3092°F)
-200 to 1300°C (-328 to 2372°F)
0 to 600°C (32 to 1112°F)
-20 to 400°C (-4 to 752°F)
-200 to 400°C (-328 to 752°F)
-20 to 400°C (-4 to 752°F)
-100 to 850°C (-148 to 1562°F)
-200 to 1300°C (-328 to 2372°F)
-200 to 500°C (-328 to 932°F)
-200 to 500°C (-328 to 932°F)
-200 to 800°C (-328 to 1472°F)
-20 to 500°C (-4 to 932°F)
-200 to 600°C (-328 to 1112°F)
Pt100Ω RTD
To Order Visit omega.com/cn730 for Pricing and Details
Model No. Description
CN733 Relay output, with RS485 communications*
CN732 DC pulse output, with RS485 communications*
CN735
Free CN7-A software download available on omega.com/cn730
*
Accessories (Field Installable)
Model No. Description
CNQUENCHARC
CN7-485-USB-1 RS485 to USB mini-node converter
Comes complete with operator’s manual.
Ordering Example: CN733, single output controller, mechanical relay, RS485
communications.
0 to 100°C (32 to 212°F)
4 to 20 mA output, with RS485 communications*
Noise suppression RC snubber (2 leads), 110 to 230 Vac
P
P-66