Series 4B 1/4 DIN Temperature/Process Controller

Dual Control Output, RS-485 Communication, Auto-Tuning

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The Series 4B 1/4 DIN Temperature/Process Controller is designed to accept thermocouple, RTD, current or voltage input and provide dual outputs for control. Available outputs include relay/relay, voltage pulse/relay, current/relay, or linear voltage/relay.

The units can be programmed for ON/OFF, PID, auto-tuning, or manual tuning control methods. The PID control is supported by 64 ramp/soak actions. The Series 4B also includes two additional alarm outputs. The second relay output can be reconfigured as a third alarm output. The alarm type can be selected from 13 different preprogrammed alarm functions. The controller features dual LED displays for local indication of process and setpoint values.

Product Applications

Control temperature for boilers, damper control based on temperature or pressure.
Hot plates / melt pots
Packaging equipment
Environmental chambers
Medical equipment
Food service equipment

Starting at $193.00

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1/4 DIN Temperature/Process Controller

1/4 DIN Temperature/Process Controller, Low Voltage

Grouped product items
Model	Description	Availability*	Price
4B-23	1/4 DIN temperature/process controller, (1) voltage pulse output and (1) relay output.	1-3 days*	$193.00
4B-23-LV	1/4 DIN temperature/process controller, (1) voltage pulse output and (1) relay output, low voltage	Call for Details*	$196.55
4B-33	1/4 DIN temperature/process controller, (2) relay outputs.	1-3 days*	$193.00
4B-33-LV	1/4 DIN temperature/process controller, (2) relay outputs, low voltage	Call for Details*	$196.55
4B-53	1/4 DIN temperature/process controller, (1) current output and (1) relay output.	1-3 days*	$193.00
4B-53-LV	1/4 DIN temperature/process controller, (1) current output and (1) relay output, low voltage	Call for Details*	$193.55
4B-63	1/4 DIN temperature/process controller, (1) linear voltage output and (1) relay output.	Call for Details*	$193.00
4B-63-LV	1/4 DIN temperature/process controller, (1) linear voltage output and (1) relay output, low voltage	Call for Details*	$193.55
4B-33-986/U	Benchtop Temperature/Process Controller, 120 V supply, with 2 relay outputs, and universal sensor input.	Call for Details*	$1,022.00

Specifications

Inputs:: Thermocouple, RTD, DC voltages or DC current.
Display:: Two 4-digit, 7 segment. PV: 3/4" H (19 mm) red; SV: 1/2" H (12.7 mm) green.
Accuracy:: ±0.25% span, ±1 least significant digit.
Supply Voltage:: 100 to 240 VAC, 50/60 Hz or 24 VDC (depending on model).
Power Consumption:: 5 VA max.
Operating Temperature:: 32 to 122°F (0 to 50°C).
Memory Backup:: Nonvolatile memory.
Control Output Ratings:: Relay: SPDT, 5 A @ 250 VAC resistive; Voltage Pulse: 14 V, 10% to -20% (max 40 mA); Current: 4 to 20 mA; Linear Voltage: 0-10 V.
Communication:: RS-485 Modbus® A-5-11/RTU communication protocol.
Weight:: 15 oz (425 g).
Agency Approvals:: CE, RoHS, cUL, UL.
Front Panel Rating:: IP56.

Features

Universal input accepts process transmitters, RTD’s or thermocouple signals
On/off, PID, or manual output control
RS-485 standard on all models
Stage control program for up to 64 ramp/soak actions

Support Library

Product Literature

Manuals

Catalog Pages

Series 4B Catalog Page

Approvals

Drawings

Software

Download Software - FREE!

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Accessories

Model	Description	Availability*	Price
A-TC-K100-FB	K type, 100' on spool, fiber glass insulation, 450°C, yellow outer sheath, 24 AWG, 0.20 SQMM	1-2 Weeks*	$89.25
A-277	Precision resistor, 250 ohm	1-3 days*	$12.90
A-600	R/C snubber (recommended for inductive loads like a solenoid or contactor)	1-3 days*	$25.75
MN-1	Mini-Node™ RS-485 to USB converter	1-3 days*	$108.35
A-TC-K50-FEP	K type, 50' on spool, FEP insulation, 200°C, yellow outer sheath, 24 AWG, 0.20 SQMM	1-2 Weeks*	$45.75
A-TC-K50-FB	K type, 50' on spool, fiber glass insulation, 450°C, yellow outer sheath, 24 AWG, 0.20 SQMM	1-2 Weeks*	$53.05
A-TC-K25-FEP	K type, 25' on spool, FEP insulation, 200°C, yellow outer sheath, 24 AWG, 0.20 SQMM	1-2 Weeks*	$31.25
A-TC-K25-FB	K type, 25' on spool, fiber glass insulation, 450°C, yellow outer sheath, 24 AWG, 0.20 SQMM	1-2 Weeks*	$33.90
A-TC-K100-FEP	K type, 100' on spool, FEP insulation, 200°C, yellow outer sheath, 24 AWG, 0.20 SQMM	1-2 Weeks*	$78.80
A-TC-J50-FEP	J type, 50’ on spool, FEP insulation, 200°C, black outer sheath, 24 AWG, 0.20 SQMM	1-2 Weeks*	$28.10
A-TC-J50-FB	J type, 50' on spool, fiber glass insulation, 450°C, black outer sheath, 24 AWG, 0.20 SQMM	1-2 Weeks*	$35.75
A-TC-J25-FEP	J type, 25' on spool, FEP insulation, 200°C, black outer sheath, 24 AWG, 0.20 SQMM	1-2 Weeks*	$21.30
A-TC-J25-FB	J type, 25' on spool, fiber glass insulation, 450°C, black outer sheath, 24 AWG, 0.20 SQMM	1-2 Weeks*	$25.75
A-TC-J100-FEP	J type, 100’ on spool, FEP insulation, 200°C, black outer sheath, 24 AWG, 0.20 SQMM	1-2 Weeks*	$41.55
A-TC-J100-FB	J type, 100' on spool, fiber glass insulation, 450°C, black outer sheath, 24 AWG, 0.20 SQMM	1-2 Weeks*	$55.20
A-901	Weatherproof enclosure, type 4X, clear plastic window with rear panel for mounting the control inside the enclosure.	1-3 days*	$356.05
A-900	Weatherproof enclosure, type 4X, control direct panel mounts in the front of the enclosure.	1-3 days*	$191.95