Siemens 6RA70 specifications 10-19, P085 Wait period after cancellation of inching command

PNU

Description

Value range [Unit] Steps

No. indices Factory setting Type

See Change (Access / Status)

P083	Selection of actual speed value
*	0	Actual speed value is not yet selected (fixed value 0%)
FDS
	1	Actual speed value supplied by "Main actual value” channel
(G151)		(K0013) (terminals XT.103, XT.104)

2Actual speed value supplied by "Actual speed from pulse encoder” channel (K0040)

3Actual speed value supplied by "Actual EMF" channel (K0287), but weighted with P115 (operation without tacho)

Note:

The effectiveness of the overspeed monitoring function (see Section 8, function diagram G188) is restricted, since very high motor speeds can be reached if the EMF is utilized as the actual speed value when the actual field current value is too low.

4Actual speed value is wired up freely (selected in P609)

P084	Selection of closed-loop speed / current or torque control
*	1	Operation under closed-loop speed control
(G160)	2	Operation under closed-loop current / torque control
		The setpoint supplied by the ramp-function generator output is
		input as a current or torque setpoint (speed controller is
		bypassed)
P085	Wait period after cancellation of inching command
	After an inching command has been cancelled, the drive dwells in operating
	state o1.3 for the time period set in this parameter with the controllers
	disabled, but the line contactor closed. This wait period does not commence
	until n<nmin (P370, P371) is reached. If a new inching command is input
	within this period, then the drive switches to the next operating state (o1.2 or
	lower). However, if the time runs out without a new inching command being
	entered, then the line contactor drops out and the drive switches to
	operating state o7 (see also Section 9).
P086	Voltage failure period for automatic restart
	If the voltage fails (F001, F004) at one of the terminals 1U1, 1V1, 1W1, 3U1,
	3W1, 5U1 or 5W1, or if it drops below a certain threshold (F006
	undervoltage) or exceeds a certain threshold (F007 overvoltage), or its
	frequency is too low (F008 frequency < P363) or too high (F009 frequency >
	P364), or if the actual field current drops to below 50% of the field current
	setpoint for more than 0.5s (F005), then the corresponding fault message is
	activated only if the fault condition has not been eliminated within the
	"Automatic restart" period set in this parameter.
	The gating pulses and controllers are disabled while the fault conditions are
	present. The converter dwells in operating state o4 (in the case of armature
	line voltage fault) or o5 (in the case of field line voltage or field current fault)
	or in o13.
	Setting this parameter to 0.00s deactivates the "Automatic restart" function.
	NOTE:
	Setting values higher than 2.00s are effective only in relation to the voltages
	at terminals 1U1, 1V1, 1W1, 3U1 and 3W1.
	A "restart time" of 2.00 s is operative in this case for the voltage at terminals
	5U1 and 5W1 (electronics power supply).
P087	Brake release time
(G140)	-10.00 to -0.01 s
	The "Release brake" command is delayed in relation to enabling of the
	gating pulses for thyristors and controllers (i.e. operating state I, II or --) by
	the delay time set in this parameter. During this period, the motor rotates
	against the closed brake. This setting is useful, for example, for vertical
	loads.
	0.00 to +10.00 s
	When a "Switch-on" or "Inching" or "Crawling" command is input with
	"Operating enable", the drive dwells in operating state o1.0 for the delay
	period set in this parameter; the internal controller enabling signal, and thus
	enabling of the thyristor gating pulses, do not take effect until the delay
	period has elapsed so as to give the holding brake time to open.

0 to 4

1

1 to 2

1

0.0to 60.0

[s]

0.1s

0.00to 10.00

[s]

0.01s

-10.00 to 10.00 [s]

0.01s

Ind: 4	P052	= 3
FS=0	P051	= 40
Type: O2	Offline

Ind: None	P052	= 3
FS=1	P051	= 40
Type: O2	Offline
Ind: None	P052	= 3
FS=10.0	P051	= 40
Type: O2	Online

Ind: None	P052	= 3
FS=0.40	P051	= 40
Type: O2	Online

Ind: None	P052	= 3
FS=0.00	P051	= 40
Type: I2	Online

SIEMENS Energy & Automation	10-19
SIMOREG DC Master Base Drive Panel Operating Instructions