RS485 Comm Port Configuration
comm baudrate = [0-7]
0: Auto
1: 300
2: 1200
3: 2400
4: 9600
5: 19200
6: 38400
7: 76800
comm mstpaddr = [0-127] – BACnet/MSTP address
comm maxmaster = [0-127] – BACnet/MSTP max master address
comm devinst = [x] – BACnet device instance ID
comm mbslaveaddr = [0-255] – Modbus slave address
Modbus
Addr Function
1 Flow 1 rate (GPM)
3 Flow 2 rate (GPM)
5 Flow 1 Total (gallons)
7 Flow 2 Total (gallons)
9 Energy Rate (BTU/min)
11 Energy Total (BTU)
13 Batch 1 Count
15 Batch 2 Count
17 Temp 1 (deg F)
19 Temp 2 (deg F
21 Temp Delta (T2-T1)
Troubleshooting
Trouble Codes
1 Relay 1 totalizer rate exceeded
2 Relay 2 rate exceeded
3 Relay 3 rate exceeded
4 Relay 4 rate exceeded
5 Pulse out rate exceeded
20 Error reading EEPROM on faceplate
21 Error writing EEPROM
22 Analog Input card missing
24 Temperature Input card missing
25 Invalid flow units configured
26 Invalid volume units configured
27 Bad input frequency
29 Internal error calculating flow rate
31 Error reading from analog input AD converter channel 1
32 Error reading from analog input AD converter channel 2
36 Error writing to analog input AD converter channel 1
37 Error writing to analog input AD converter channel 2
50 Error reading I2C address 0 (relays, buttons, and LEDs)
51 Error writing to I2C address 0
52 Error reading I2C address 1 (analog input card control lines)
53 Error writing I2C address 1
54 Error reading I2C address 2 (temperature input card control lines)
55 Error writing I2C address 2
71 Watchdog timer reset occurred
82 Fatal error initializing EEPROM
Command Lists
Page 29
June 2018
DSY-UM-01668-EN-02
