ProSoft Technology MVI56-101S User Manual
Page 41
MVI56-101S ♦ ControlLogix Platform
Configuring the MVI56-101S Module
IEC 60870-5-101 Slave Communication Module
User Manual
ProSoft Technology, Inc.
Page 41 of 193
August 2, 2011
2.3.15 Maximum ASDU Resp Len
25 to 252
Sets the maximum ASDU response message length (usually 252).
2.3.16 Cause of Trans(mission) Octets
1 or 2
Specifies the number of COT octets (1 or 2)
2.3.17 Freeze Start Type
D
=
D
AY
,
H
=
H
OUR
,
M
=
M
INUTE
,
N
=
N
OT USED
The Freeze Start Type parameter defines when the module starts sending the
M_IT messages.
Example I - Freeze Start Type
If the module should send the counter points on the hourly turn around time and
also 45 minutes later, the Mode A parameters should be configured as follows:
So the module would send events as follows (Hours:Minutes:Seconds):
17:00:00
17:45:00
18:00:00
18:45:00
19:00:00
19:45:00
…