Installation Instructions

Chapter 7 - Technical Data
Fieldbus Technical Data
80 | 82
Siemens Industry, Inc.
Smart Infrastructure
Siemens BT300 HVAC Drive
Installation Instructions
DPD01148
2019-05-29
Specification
Description
Auxiliary input
24 Vdc ±10%, 250 mA
Auxiliary output
10 Vdc ±3%, 10 mA (short-circuit protected)
24 Vdc ±10%, 250 mA (short-circuit protected)
Embedded Protocols
RS-485:
APOGEE P1, BACnet MS/TP, Modbus RTU, Metasys N2
Ethernet:
BACnet IP, Modbus TCP
Over voltage trip limit
208 to 240 Vac: 456 Vdc
380 to 500 Vac: 911 Vdc
525 to 600 Vac: 1094 Vdc
Under voltage trip limit
Depends on supply voltage (0.8775* supply voltage):
208 Vac: 182.5 Vdc
240 Vac: 210.6 Vdc
380 Vac: 333.5 Vdc
480 Vac: 421.2 Vdc
575 Vac: 504.6 Vdc
Protection features
Under-voltage trip limit
Over-voltage trip limit
Ground fault protection
Input (mains) supervision
Motor phase supervision
Over-current protection
Unit over-temperature protection
Motor overload protection
Motor stall protection
Motor underload protection
Short-circuit protection of 10 Vdc and 24 Vdc reference voltages
Fieldbus Technical Data
APOGEE P1
BACnet MS/TP
Modbus RTU
Metasys N2
BACnet IP
Modbus TCP
Interface
RS-485
100BaseT, 802.3
Data Transfer
Method
RS-485, half-duplex
Ethernet half/full duplex
Transfer Cable
STP (Shielded Twisted Pair), type Belden 9841 or similar
CAT5e STP
Connector
14 AWG (2.5 mm
2
)
Shielded RJ45
Baud Rate(s)
4800, 9600
9600, 19200, 38400,
76800
300, 600, 1200,
2400, 4800, 9600,
19200, 38400,
57600, 76800,
115200, 230400
9600
10/100 Mbits/s, auto-sensing
Addresses
0 to 127
0 to 127
1 to 247
1 to 255
NA