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TEMPTRAC INTERFACE GUIDE, GATEWAY SETUP AND POINTS LIST
Page 16 of 30
PV7069-T 03/17
Part number 129209
POINTS LIST:
The gateway will provide a full points list, including typical points and advanced points. Normal interface
will only require the TYPICAL POINTS. Many points are provided as ADVANCED POINTS and not advised
to be used in normal integration. The Advanced Points are present for the purpose of future development
and custom applications. Please consult factory if any points not in the TYPICAL POINTS are required.
Key:
LONWORKS shows multiple devices connected with a device number suffix, (#) represent the device.
MODBUS
address with “:” to designate single bit usage of register. Number following colon represents bit
location, 0 is the least significant bit.
Point Name
Read/Write
Short Description
MODBUS
Register Type
Address Offset
MODBUS Address
BACNET
BACNET Name
Object Instance
BACNET Units
LONWORKS
Lon Read name_#
Lon Write name_#
Lon Units
NOTES
TYPICAL POINTS:
The points that are typically used to interface with the heater. Most integrations only require points from
this list.
TYPICAL POINTS:
Control_CNT
Write
Enable Heater 257=on 1 = off
MODBUS
Holding Register
1280
41281
BACNET
Enable
128100
LONWORKS
nvoCtrl_CNT_#
This can be used to prevent the heater from heating via communication. 257 or 0X0101 = on, 1 or 0x0000 = off
The resister cannot be read. The register should only be written to with the values 257 and 1, as it has other
undocumented functions.
Setpoint_St1
Read/Write
System Setpoint
MODBUS
Holding Register
768
40769
BACNET
Setpoint_St1
76900
Deg-F
LONWORKS
nvoSP_St1_#
nviSP_St1_#
Deg_F
This is the setpoint for the heater.
Probe 1
Read Only
Controlling Probe Degrees F
MODBUS
Holding Register
256
40257
BACNET
Probe1
25700
Deg-F
LONWORKS
nvoProbe1_#
Deg_F
Probe that provides control of heating. Location can vary depending on equipment and application. See section
that discussed the various equipment to determine actual location of probe. Connection on TempTrac is green
screw terminals 14 and common 17.