Baelz Automatic mCelsitron 6490B-y User Manual

Page 4
Device manual 6490B / 6490B-y / 6590B
W. Bälz & Sohn GmbH & Co. Koepffstraße 5 D-74076 Heilbronn Telefon (07131) 1500-0 Telefax (07131) 1500-21
1. Function overview
Basic device
Analog input Pt100 Analog input for the process variable PV
Relay OPEN Controller output OPEN: opens the actuator
Relay CLOSE Controller output CLOSE: closes the actuator
Relay ALARM Alarm relay operates on the base of the idle current principle
Additional functions (option*)
Serial interface RS 485 Data transfer in accordance with modbus protocol.
Supply voltage 24 V DC For 24 V DC digital input and also 2-wire-transmitter at current input*
The optional digital input is definable to one of these functions by software:
Digital input OPEN Actuator opens ...
Digital input CLOSE Actuator closes ...
Digital input STOP Actuator persists in its current position ...
Digital input SP.2 To switch over to the second setpoint SP.2 ...
... if connecting 24 V DC (active state) to the appropriate digital input.
Priority: 1. STOP (highest priority), 2. CLOSE, 3. OPEN, 4. SP.2
Setpoint limiting. Minimum value SP.L (setpoint low), maximum value SP.H (setpoint high).
Only setpoints within the setpoint limiting can be set via front keyboard.
Setpoint ramp SP.r. Setpoint change per minute or hour (gradient). Can be specified for internal and external
setpoints by the setpoint ramp.
Filtering FIL of the process variable input PV. Interference signals and fast fluctuations of the process variable
PV can be smoothed by an adjustable software filter.
* Digital inputs, voltage range 0/12-24 V DC.
* Serial interface RS 485 (modbus, RTU-mode).
* option
}
not in manual mode

Baelz Automatic mCelsitron 6490B-y Specifications

General

Brand	Baelz Automatic
Model	mCelsitron 6490B-y
Category	Controller
Language	English