8 Accessing Drive Parameters and the Enter Command
YASKAWA
TOEP YAICOM 22A BACnet MS/TP Installation & Technical Manual
51
Object ID
Object Name
(
Network Display
)
Modbus
Address
(Hex.)
Active Text
Inactive Text
PV Access
BV54
Timeout Error
(
Timeout Error
)
003D: bit 6
ON
OFF
R
BV55
Parameter Accept
(
Parameter Accept
)
Internal
ON
OFF
W
Parameter Enter
(
Parameter Enter
)
Internal
ON
OFF
W
*1
Refer to
Accessing Drive Parameters and the Enter Command on page 51
for an explanation of how to read
and write drive parameters not listed in the analog or binary objects.
*2
Does not function on FP605 drives.
◆
Device Object
The Device Object is the BACnet device to the network in this manual. The Device
Object Instance ID and the Device Object Name are configurable. Refer to
for
more information.
Table 7.4 Instance ID and Name of the Device Object
Item
Description
Data Type
Device Object Instance
ID
A unique internetwork-wide numerical value.
To set this ID, set
H5-14 [BACnet Device Obj ID LOW BITS]
and
H5-15 [BACnet Device Obj ID HIGH BITS]
.
22-bit value
Range: 0 - 4, 194, 302
Device Object Name
A unique internetwork-wide character string that is writable
from the BACnet network.
20-character strings
Note:
Any changes to the parameter settings and any new string written will not take effect until you de-energize the
drive.
8
Accessing Drive Parameters and the Enter Command
◆
Read Drive Parameters
To read the drive parameters that are not listed in the analog or digital objects, use AV29
and AV30 as shown in this procedure:
1.
Write the desired Modbus register to AV29 in decimal value.
2.
Read the decimal value at the given register from AV30.
For example, to read the Frequency Reference Upper Limit, read from parameter
d2-01
[Frequency Reference Upper Limit]
.
