45
In all other conditions:
PV < (sP-|sP/3|) for HEAT action or
PV > (sP+|sP/3|) for COOL action
6. What value will be returned by the device if a read query for the PV is sent and the
device has Sensor/Over/Under range error?
A. Following values will be sent as reply for the modbus query to read temperature if
device is in error mode
Error displayed
Value
returned
SEnb (sensor open)
0xC000
ovrg (over range
error)
0xC001
unrg(under range
error)
0xC002
7. How to restart ramp and soak profile?
A.To restart the ramp soak profile program 'C” key as “rsEt”, then while on the main
screen press and hold the key for about 3 s. When reset, the lower display alternates
between a message “rsEt” and value configured on it by the user. This message
disappears after a time of about 1 min.
8. How to change Set point while on main Screen?
A. It is possible to change the set point while on main screen. For this set “key”
parameter in “conF” menu as “chsP”. Then any time when on main screen if the “C” key
is pressed for more than 3 sec currently effective set point appears on the screen. The
upper display start blinking. By using “up” key or “down” key the value can be changed.
Press “E” key to save the value. To discard the value press “C” key. To exit to main
screen, press “C” key.
9. How to read SPLL value through Modbus?
A. The query structure of read query is explained earlier Assume that Slave address is
01
Slave Number
01
3 (Function Code)
03
First Word Address
MSB
LSB
20
01
Number of Words
MSB
LSB
00
01
CRC
LSB
MSB
DE
0A
Summary of Contents for 151A12B
Page 1: ...1 SERIES PR 69 TEMPERATURE CONTROLLER...
Page 5: ...5 5 0 DIMENSIONS in mm...
Page 43: ...43 22 CONNECTION DIAGRAMS...
Page 46: ...46...
Page 47: ...47...