Optidrive HVAC User Guide V2.00
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9.4.
Parameter Group 5 – Communication Parameters
Par
Parameter Name
Minimum Maximum
Default
Units
P5-01 Drive Fieldbus Address
0
63
-
1
Sets the Fieldbus address for the Optidrive
P5-03 Modbus RTU / BACnet Baud rate
9.6
115.2
115.2
kbps
Sets the baud rate when Modbus/BACnet communications are used
9.6kbps, 19.2kpbs, 38.4kpbs, 57.6kpbs, 115 kbps
P5-04 Modbus RTU / BACnet Data Format
-
-
-
Sets the expected Modbus or BACnet telegram data format as follows
: No Parity, 1 stop bit
: No parity, 2 stop bits
: Odd parity, 1 stop bit
: Even parity, 1 stop bit
P5-05 Communications Loss Timeout
0.0
5.0
1.0
seconds
Sets the watchdog time period for the communications channel. If a valid telegram is not received by the Optidrive within this
time period, the drive will assume a loss of communications has occurred and react as selected below (P5-07)
P5-06 Communications Loss Action
0
3
0
-
Controls the behaviour of the drive following a loss of communications as determined by the above parameter setting (P5-06).
0: Trip & Coast To Stop
1: Ramp to Stop Then Trip
2: Ramp to Stop Only (No Trip)
3: Run at Preset Speed 4
P5-07 Fieldbus Ramp Control
0
1
0
-
Selects whether the acceleration and deceleration ramps are control directly via the Fieldbus, or by internal drive parameters P1-
03 and P1-04.
0 : Disabled
. Ramps are control from internal drive parameters
1 : Enabled
. Ramps are controlled directly by the Fieldbus
P5-08 Fieldbus Module PDO4
0
7
1
-
When using an optional Fieldbus interface, this parameter configures the parameter source for the 4th process data word
transferred from the drive to the network master during cyclic communications:
0 : Output Power – Output power in kW to two decimal places, e.g. 400 = 4.00kW
1 : Output Power – Output power in kW to two decimal places, e.g. 400 = 4.00kW
2 : Digital Input Status – Bit 0 indicates digital input 1 status, bit 1 indicates digital input 2 status etc.
3 : Analog Input 2 Signal Level – 0 to 1000 = 0 to 100.0%
4 : Drive Heat-sink Temperature – 0 to 100 = 0 to 100°C
5 : User Register 1 – Can be accessed by PLC program or group 9 parameters
4 : User Register 2 – Can be accessed by PLC program or group 9 parameters
7 : P0-80 Value - P0-80 value can be selected by P6-28
P5-09 BACnet Device Instance Number (Low)
0
65535
1
-
Drive instance number within the BACnet network. Combined with P5-10 the value entered must represent a unique value with
the BACnet system / network. P5-09 represents the lower 16 bits of the device instance number. Device instance number 22 bit
total.
P5-10 BACnet Device Instance Number (High)
0
63
0
-
Drive instance number within the BACnet network. Combined with P5-09 the value entered must represent a unique value with
the BACnet system / network. P5-10 represents upper 6 bits of the device instance number. Device instance number 22 bit total.
P5-11 BACnet Maximum Masters
0
127
127
-
Parameter defines the maximum address of any BACnet masters that can exist on the current local MSTP BACnet network. When
the device is polling for the next master in the network it will not poll about the value set in P5-11. For example, if the value is set
to 50 then when the drive finishes communicating and needs to pass control to the next master it will poll up to address 50
looking for a response before rolling back to address 0.
P5-12 Fieldbus Module PDO3
0
7
0
-
When using an optional Fieldbus interface, this parameter configures the parameter source for the 3rd process data word
transferred from the drive to the network master during cyclic communications:
0 : Motor Current – With one decimal place, e.g. 100
1 : Output Power – Output power in kW to two decimal places, e.g. 400 = 4.00kW
2 : Digital Input Status – Bit 0 indicates digital input 1 status, bit 1 indicates digital input 2 status etc.
3 : Analog Input 2 Signal Level – 0 to 1000 = 0 to 100.0%
4 : Drive Heat-sink Temperature – 0 to 100 = 0 to 100°C
5 : User Register 1 – Can be accessed by PLC program or group 9 parameters
4 : User Register 2 – Can be accessed by PLC program or group 9 parameters
7 : P0-80 Value - P0-80 value can be selected by P6-28
