16
INTAC
®
Modbus Map
Modbus
Register
Number
INTAC
®
Number
Menu
Number Menu Title Description
852 851 012 Accumulated Run Time 0-365 days
55 54 009 Outdoor Air Temp Actual -1000-10,000 implied tenths
53 52 008 Water Temp Actual -130- 2660, implied tenths
51 50 006 High Limit RH Actual 0-1000, implied tenths
823 822 none %Power Heater #1 or Combustion Blowers 0-100
824 823 none %Power Heater #2 or Burner #1 Enable 0-100
825 824 none %Power Heater #3 or Burner #2 Enable 0-100
826 825 none %Power Heater #4 or Burner #3 Enable 0-100
853 852 002 Total Power Output 0-100
49 48 001 Actual Humidity 0-1000, implied tenths
857 856 E01 Interlock Input Open
0=safety circuit open( error condition), 1=Safety circuit closed (safeties
satisfied)
858 857 E02 Dedicated Input 0=open contact, 1=closed contact
50 49 E03 Control RH Sensor 0=No Error, 1= Under range, 2= Over range, 3=Underflow, 4=Overflow
52 51 E04 High Limit RH Sensor 0=No Error, 1= Under range, 2= Over range, 3=Underflow, 4=Overflow
56 55 E05 Outdoor Air Sensor 0=No Error, 1= Under range, 2= Over range, 3=Underflow, 4=Overflow
54 53 E06 Water Sensor(temp) 0=No Error, 1= Under range, 2= Over range, 3=Underflow, 4=Overflow
831 830 E07 Water Level
0=No error, 1=bad Tri-Probe, 2=Fill fault, 3= Refill fault, 4=Low float, 5=Low,
6=Drain fault
847 846 E08 Internal Module #1 I/O Error 0=no, 1=yes
848 847 E08 Internal Module #2 I/O Error 0=no, 1=yes
849 848 E08 Internal Module #3 I/O Error 0=no, 1=yes
102 101 101 RH Set Point 0 to 1000, implied hundredths
103 102 102 High Limit Set point 0 to 1000
104 103 103 RH Low Alarm (-1) to -1000, implied tenths
105 104 104 RH High Alarm 1 to 1000, implied tenths
202 201 201 Operation Mode 0=Standby, 1=Normal, 2=Flush, 3=Forced Drain
203 202 202 Drain Duration Timer 0 to 120 minutes
204 203 203 Drain Interval timer 1 to 500 hours
205 204 204 Cool Down Delay 0 to 150 seconds
206 205 205 Cool Down Temp 800-2120 def F, implied tenths
207 206 206 Fill Delay Timer 0-15
208 207 207 Water Temp Set Point 400-2000 deg F, implied tenths
209 208 208 Water Temp Hysteresis 10-500 deg F, implied tenths
210 209 209 End of Use Drain Timer 0-168 hours
211 210 210 Time to Clean Timer 0-365 days
212 211 211 Clean Reset 0=off, 1=on
213 212 212
INTAC
®
Address
1-247 modbus (read only)
214 213 213
INTAC
®
Baud Rate
0=9600, 1=19200, 2=38400
302 301 301 Room Prop band 0 to 1000, implied hundredths
303 302 302 Room hysteresis 1 to 500, implied hundredths
304 303 303 Room Integral 0 to 6000, implied hundredths
305 304 304 Room Derivative 0 to 999, implied hundredths
306 305 305 Cycle Time 1 to 10 for SCR
307 306 306 Duct Prop Band 0 to 1000, implied hundredths
308 307 307 Duct Hysteresis 1 to 500, implied hundredths
309 308 308 Duct Integral 0 to 999, implied hundredths
310 309 309 Duct Derivative 0 to 999, implied hundredths
311 310 310 RH Input filter 0-60
*Modbus parameters: Holding register(16 bit), Signed, 38400 Baud, Character format: 8 data, No Parity, One stop
**All parameter are available via communications but only some parameters are active in certain configurations.