Siemens 6RA70 specifications 10-81, See Change Access / Status P795 Options for G-SST2, P798

PNU

Description

Value range [Unit] Steps

No. indices Factory setting Type

See Change (Access / Status)

P795	Options for G-SST2
(G171)	i001:	0 = Bus terminator OFF
		1 = Bus terminator ON
(G173)
	i002: 0 = Bit 10 of the 1st receive word does not function as "Control
		by PLC".
		1 = Bit 10 of the 1st receive word does function as "Control by
		PLC“, i.e. when bit 10 = 0, all other bits of the 1st receive word,
		as well as receive words 2 to 16, are not written to connectors
		K6001 to K6016, or to binectors B6100 to B6915. All these
		connectors and binectors retain their old values.
P796	USS bus address for G-SST2
*	This parameter is functional only when P790=2 (USS protocol). Address via
(G171)
	which the unit can be addressed in USS bus operation.
P797	Telegram failure time for G-SST2
(G171)	The failure time set in this parameter is valid when setting P790=2 (USS
	protocol) or P790=5 (peer-to-peer) is selected.
(G173)
	0.000	No time monitoring
	0.001...65.000 Time which may elapse between the receipt of two
		telegrams addressed to the unit before a fault message
		is activated.
	Fault message F012 is activated if no valid telegram is received within this
	time period.

Note:

The telegram monitoring function is active

•from the receipt of the first error-free telegram after connection of the electronics power supply

•from the receipt of the first error-free telegram after the telegram monitor has responded (i.e. monitoring timeout).

Since the telegram transfer time is dependent on the set baud rate, the following minimum setting values for P797 are recommended:

	Baud rate as set in P793:		Recommended minimum value for P797:
	300	baud	0.520s
	600	baud	0.260s
	1200	baud	0.140s
	2400	baud	0.080s
	≥ 4800	baud	0.040s
	Note:
	If the "Automatic restart" function is selected (P086>0) on the peer-to-peer
	communication partner, then only a parameter setting of P797>P086 (on the
	communication partner) is meaningful.
P798	Source for activation of F012
*	Selection of binector which will activate fault message F012 when it
(G171)
	switches to log. "1"
(G173)
	6030 = binector B6030
	6031 = binector B6031

0 to 1

1

0 to 30

1

0.000 to 65.000 [s]

0.001s

6030, 6031

Ind: 2	P052	= 3
FS=0	P051	= 40
Type: O2	Offline

Ind: None	P052	= 3
FS=0	P051	= 40
Type: O2	Offline
Ind: None	P052	= 3
FS=0.000	P051	= 40
Type: O2	Offline

Ind: None	P052	= 3
FS=6030	P051	= 40
Type: L2	Offline

SIEMENS Energy & Automation	10-81
SIMOREG DC Master Base Drive Panel Operating Instructions