8 operation without mains supply, Operation without mains supply, 9diagnostics & error management – Lenze 8400 StateLine User Manual

Page 443

Advertising
background image

Lenze · 8400 StateLine · Reference manual · DMS 12.0 EN · 06/2014 · TD05/TD14

443

9

Diagnostics & error management

9.8

Operation without mains supply

_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

9.8

Operation without mains supply

The following display parameters have a value of "0" if the mains supply is switched off and the

external 24 V supply of the controller is switched on:

Note!

Observe the following restrictions for operation without mains supply:
Safety state
Controllers of the 8400 series can be optionally equipped with the integrated "Safe

torque off (STO)" safety system.

Up to and including version 13.xx.xx, the following applies:

If merely the external 24-V supply of the controller is switched on, the "Safe torque

off" status in

C00137

(bit 10) will not be updated.

From version 14.00.00 the following applies:

If merely the external 24-V supply of the controller is switched on, the "Safe torque

off" status in

C00137

(bit 10) will be updated.

Fan monitoring functions
The fan monitoring functions are only active if the mains supply is switched on.

Parameter

Info

C00050

MCTRL: Speed setpoint

C00051

MCTRL: Actual speed value

C00052

Motor voltage

C00053

DC-bus voltage

C00054

Motor current

C00058

Output frequency

C00061

Heatsink temperature

C00064/1...3

Device utilisation (Ixt)

C00066

Thermal motor load (I²xt)

C00177

Switching cycles

C00725

Current switching frequency

Advertising