Modbus Communication - ComAp InteliSys NTC Basebox Communications Manual

Example 4 – adjusting special setpoint
SMS #5:accesscode r8315,w8315 0,r8315
Answer #Gen-set name:MAN,ok,OFF
Note: Setpoints Stringlist type (e.g. Controller Mode) is read as string and adjusted as index of string item in
string list. e.g. Controller Mode:
Read value [as string]
Example 5 – reading and writing other type
SMS #5:accesscode r8235,w8296 110.2
Answer #Gen-set name:OIIIOOIIO,ok
Note:
1. Writing of binary setpoint is not supported.
2. Writing of setpoint with decimal point is automatically converted to appropriate number of decimal places.
Example 6 – reading actual Alarm list
SMS #5:accesscode a
#Gen-set name:AL=(!Wrn PrimWater temp, !Wrn SecWater
Answer
temp, Batt volt)

7.3 Modbus Communication

Note: It is possible to define your own Modbus register numbers for any value or setpoint in the BaseBox
controllers with standard FW v3.0 (IG-NT-BB, IS-NT-BB and IM-NT-BB firmware) and higher. For more
information about this function please refer to the chapter
Note: In the first time, you have to correctly configure the controller connection (see Important setpointsin
the controller on page 129).
IGS-NT Communication Guide
OFF
MAN
SEM
AUT
TEST
read value 8315,
write 0 (index of stringlist type),
read value 8315
read value of 8315 as string,
writing was ok,
read new value of 8315 as string
Write value [as index]
0
1
2
3
4
read value 8235,
write 110.2 with decimal point
read value of 8235 (binary value),
writing was ok
read actual Alarm list
Actual Alarm list contains three
items.
User Modbus (page 144).
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