Siemens bt300 - Page 71

Chapter 4 - Parameters and Menu Structure
Parameters (M3)
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Siemens Industry, Inc.
Siemens BT300 HVAC Drive
DPD01809
Building Technologies
2016-06-07
Structure
Parameter
Unit
Min
Max
Default
ID
Description
P3.8.5
Superv2 Item
Output
Frequency
Analog Input 2
Output Frequency
1435
Defines the drive data to supervise for
Superv2 Mode (P3.8.6) in accordance
with the Superv2 Limit (P3.8.7) with
deadband defined with Superv2 Hyst
(P3.8.8)
Refer to Superv1 Item (P3.8.1) for
settings.
NOTE: A relay output can be triggered
in accordance with this supervised item.
Set Relay Output Function to a value of
Superv2 Lmt.
P3.8.6
Superv2 Mode
Not Used
High Limit
Not Used
1436
Defines the type of supervision of the
Superv2 Item (P3.8.5) in accordance
with the Superv2 Limit (P3.8.7) with
deadband defined with Superv2 Hyst
(P3.8.8)
0 = Not used
1 = Low Limit Supervision
2 = High Limit Supervision
P3.8.7
Superv2 Limit
Varies
-200
200
25
1437
Defines the limit that Superv2 Item
(P2.8.5) is compared to, which
determines if Superv2 Mode (P3.8.6)
has occurred. Unit of measure appears
automatically.
P3.8.8
Superv2 Hyst
Varies
-200
200
5
1438
Defines the deadband of Superv1 Item
(P3.8.5).
Example:
To energize relay output 1 when the motor output current has reached 4 amps and have the drive act like a current
transducer (CT). Complete the following:
1. Set Supervision Item 1 Selection (P3.8.1) to a value of Motor Current.
2. Set Supervision Item 1 Mode (P3.8.2) to a value of High Limit.
3. Set Supervision Item 1 Limit (P3.8.3) to a value of 4.
4. Set RO1 Function (P3.5.3.2.1) to a value of LimSuperv1.