STORK TRONIC ST70-31.03 - User Manual

ST70-31.03
Temperature controller
Order number 900380.004
Wiring diagram
Product description
The switching exits of the thermostatic controller can be programmed as
-two-point controller with alarm
-three-point controller
-two-stage controller
-controller with ramp profile.
The setpoint and all parameters of the controller are set on a three-field plastic foil keyboard.
Sensor: Pt100-3 wire
Range: -99...600
◦
C
Front size: 72mm x 36mm
Panel cut-out: 68.5mm x 28.5mm
Connector: screw terminal
1

Summary

Wiring Diagram

Product Description

Adjustment Options

Key UP Function

Increases parameter value or scrolls parameter list.

Key DOWN Function

Decreases parameter value or scrolls parameter list. Can switch off buzzer.

Key SET Function

Indicates setpoint or is used for setting parameters.

First Control Level

Setpoint Parameter Setting

Describes how to set the control setpoint using the keys.

Second Control Level (P Parameters)

Setting Control Parameters

Instructions for accessing and adjusting P parameters.

Parameter Descriptions (P Parameters)

Basic Control Parameters (P1-P6)

Details on setpoint, hysteresis, and value correction parameters.

Ramp Phase Employment Point (P11)

Explanation of the ramp function's activation point.

Parameter Descriptions (P Parameters Continued)

Ramp and Key-lock Settings (P12, P19)

Describes ramp gradient and key-lock functions.

Alarm Settings (P30-P32)

Details on lower/upper alarm values and hysteresis.

Third Control Level (A Parameters)

Setting Control Parameters

Instructions for accessing and adjusting A parameters.

Parameter Descriptions (A Parameters)

Contact and Setpoint Configuration (A1-A6)

Covers switch modes, sensor errors, setpoint selection, and control characteristics.

Display, Input and Lock Settings (A8-A20)

Details display mode, weighing, analogue input scaling, parameter lock, and key acknowledgement.

Alarm Exit Function (A30)

Configuration of alarm exit behavior for boundary or range alarms.

Parameter Descriptions (A Parameters Continued)

Alarm and Hysteresis Settings (A31-A41)

Special alarm functions and hysteresis modes for contacts.

Timing and Sensor Configuration (A50-A60)

Covers minimum action times, power-on delay, mutual delay, and sensor types.

Filter and Scale Settings (A70, A80)

Details software filter for averaging and temperature scale selection.

Status Messages

Technical Data

STORK TRONIC ST70-31.03 Specifications