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Device manual 6490B / 6490B-y / 6590B
W. Bälz & Sohn GmbH & Co. Koepffstraße 5 D-74076 Heilbronn Telefon (07131) 1500-0 Telefax (07131) 1500-21
Equipment
Device-type
Front panel housing 96 x 96
Front panel housing 96 x 48
Rail-mounting
Degree of protection Front IP 65
Without front keyboard, without LED-display
Bargraph for manipulated variable Y
PI(D) three-position step controller
Number of selectable analog inputs
Pt100, 3-wire-connection
DI-supply voltage
Number of digital inputs
Second setpoint SP.2 via digital input (DI)
OPEN command via digital input (DI)
CLOSE command via digital input (DI)
STOP command via digital input (DI)
Number of alarm relays
RS 485 interface (modbus, RTU-mode)
Standard temp. range 2.4, 0°C...300°C with 0.1% accuracy
Alternative temp. range 2.2, 0°C...400°C with 0.1% accuracy
Scalable linear input
6490B/0
1
1
6490B/1
1
1
S S S S
1
6490B/3
1
1
6490B/4
1
1
S S S S
1
6490B-y/0
1
1
6490B-y/1
1
1
S S S S
1
6490B-y/3
1
1
6490B-y/4
1
1
S S S S
1
6590B/0
1
1
6590B/1
1
1
S S S S
1
6590B/3
1
1
6590B/4
1
1
S S S S
1
6590B/4-i
1
1
S S S S
1
= Feature/function present.
= Feature/function not present.
1 = Feature/function present, with quantity.
S
= Selectable by S
oftware (which digital input will be assigned to which function). Selection not available in some
controller modes.