Stride Field I/O
3
SIO-MB04THMS User Guide, 1st Edition
DESCRIPTION OF MODBUS REGISTERS
40002 / 40003:
FIRMWARE
Two read-only registers, containing the firmware version.
40007:
NODE ID
Contains the Modbus address of the device; the values allowed are from 1 to 245 decimal.
This value must match the Modbus address of the connected Modbus device (data source).
Default value: 1 Decimal (01 Hex). INIT value: 245 Decimal (F5 Hex).
40011:
SYSTEM FLAGS
Contains the enable bits and system event identifiers. The following parameters are configurable:
Watchdog Event Enable
: this bit enables the Watchdog Event (0=Watchdog Disabled, 1 =Watchdog Enabled). If the Watchdog
is enabled and the Watchdog Timer (configured in register 40013) expires before this device receives a Modbus command, the
green PWR LED blinks and the Watchdog Event bit is set to 1. This bit must be set in logic on power up.
Watchdog Event
: this bit is set to 1 when the Watchdog Timer expires before this device receives a Modbus command. This bit must
be reset manually after a Watchdog event.
Power Up Event
: this bit is forced to 1 at each time power is applied to the device to indicate that the device has been switched off
or reset. With the setting of this bit as 0 (by the user) and checking its state, it is possible to know if a reset of the device has occurred
(0 = reset not occurred; 1 = reset occurred). This bit must be reset manually.
Bit
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
Coil
-
-
-
-
-
163 162 161
-
-
-
-
-
-
-
-
Description
Watchdog Event enable
Watchdog Event
Power Up Event
40013:
WATCHDOG TIMER
Contains the value of the Watchdog timer, in seconds. If the Watchdog is enabled and the device doesn’t receive a command before
this timer expires, the Watchdog bit will be set to 1 (see the description of “System Flags”). Default value: 10 (10 sec.).
40031:
INPUT TYPE CHANNEL 0
This register shows the type of sensor configured for this input (see “Input Type Table”).
Default: Tc K (05 Hex)
Bit
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
Description
Input Type #0
40032:
INPUT TYPE CHANNEL 1
This register shows the type of sensor configured for this input (see “Input Type Table”).
Default: Tc K (05 Hex)
Bit
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
Description
Input Type #1
INPUT TYPE TABLE
Type
Value (Hex) Value (Dec)
Disabled
00h
0
250mV
01h
1
TC J
04h
4
TC K
05h
5
TC R
06h
6
TC S
07h
7
TC T
08h
8
TC B
09h
9
TC E
0Ah
10
TC N
0Bh
11
