Armstrong AGE4, Installation And Operating Instructions Manual

Page: 9 / 40

9
3.4.2.7 MODBUS RTU
Modbus RTU over RS-485
Slave address 1-247 See section 6.5 Speed, parity and address.
[default=245]
Maximum Modbus
packet size 256 bytes Including address (1) and CRC (2) bytes.
Supported baud rates 1200, 2400, 4800, 9600,
19200, 38400 Settable over Modbus register.
Settable over Web interface (tab “Network”).
[default=19200]
Stop bits 1 or 2 1 stop bit minimum, up to 2 when parity not enabled
[default=1]
Parity bit Even/odd/none [default=Even]
3.4.2.8 BACNET
BACnet MS/TP over RS-485
Device MAC address 1-127 Settable over Web interface (tab “Network”)
[default=1]
Maximum ADPU size 92 bytes
Supported baud rates 9600, 19200, 38400 Settable over Web interface (tab “Network”)
[default=38400]
Modbus over Ethernet
Server address 192.168.0.245:502 IP address is the same as for pump web
server, port is fixed as 502
Device address 245 Default value, can be changed over Modbus
Data format and
protocols
Modbus TCP
Modbus RTU over TCP
Modbus UDP
Modbus RTU over UDP
Protocol is automatically selected according
to established connection and received
request.
Analog signals (SET1, SET2, SET3)
Input voltage range -1..32 VDC When used as input.
Output voltage
source range 0..12 V When used as voltage output. 5 mA max. Load
allowed per output.
Input resistance ΕϭϬϬŬɏ 0.5 mA load is added for most configurations.
Output current sink
range 0..33 mA (4-20 mA) Current sink to COM if configured as current
output.
PWM input threshold ~3 V 5 mA current sink added.
PWM input frequency 0..10 kHz
PWM out frequency 75 Hz
Connection type Screwless terminals
Rating
-
230 VAC, 3 A, AC1
-
32 VDC, 3 A