TP Software User Manual
www.ismacontrolli.com
DMP253en | 1st Issue rev. 0 | 04/2022
page 34 of 49
Modbus
Address
Decimal
Address
Hex
Register Name
Access
Default
Value
Value
Range
Description
40020
19
0x13
PARITY_BIT
Read/
write
0
0-2
Determines the parity
bit
40021
20
0x14
REPLY_DELAY
Read/
write
0
Sets the delay time in
ms before sending
response
40023
22
0x16
ADDRESS
Read/
write
1
Modbus address of the
device
40024
23
0x17
PROTOCOL
Read/
write
0
0-2
Sets the type of Modbus
protocol (Modbus RTU
(0), Modbus ASCII (1))
30029
28
0x1C
SENSORS
Read-
only
Informs about built-in
sensors
30201
200
0xC8
BACKLIGHT_LCD
Read-
only
Actual display
illumination value
30202
201
0xC9
BACKLIGHT_KEYPA
D
Read-
only
Actual keypad
illumination value
40205
204
0xCC
DEVICE_CONFIGUR
ATION
Read/
write
105
Bit
Name
0
1
0
BUZZER
Not active
Active
(def)
Activates/inactivates a
buzzer
3
BACKLIGHT_LCD
Not active
Active
(def)
Switches on/off display's
backlight
4
BACKLIGHT_KEYPA
D
Not active
Active
(def)
Switches on/off keypad's
backlight
5
CO2_ALARM_LCD
Not active
Active
Shows CO2 alarm on a
display
6
CO2_ALARM_BUZZ
ER
Not active
Active
Switches on/off CO2
alarm's buzzer on alarm
8
CO2_ALARM_CONFI
RM
Not active
Active
(def)
Switches on/off CO2
alarm confirmation by
any button
11
PANEL_OFF
Panel on (def)
Panel
off
Switches on/off the
panel
12
KEYPAD_OFF
Keypad on (def)
Keypad
off
Switches on/off the
keypad