User Guide

5
Appendix A
38
Siemens Industry, Inc.
MODBUS Register Map
Array
Starting Address
Length
Type
Description
TXID
30001
100
Integer
Transmitter ID - only used for RF-powered nodes
PWR
30101
100
Integer
Battery voltage, displayed as 2-digit integer (e.g. 3.6V = 36, 5.4V = 54
54) or RSSI (1-5) or received RF-power.
SECS
30201
100
Integer
Time (seconds) since last update. This is refreshed at 10-second
intervals in groups of 10 (for example. 1-10, 11-20, 21-30, and so on).
S1
30301
100
Integer
Sensor input 1, scaled up 10X
S2
30401
100
Integer
Sensor input 2, scaled up 10X
S3
30501
100
Integer
Sensor input 3, scaled up 10X
S4
30601
100
Integer
Sensor input 4, scaled up 10X
S5
30701
100
Integer
Sensor input 5, scaled up 10X
S6
30801
100
Integer
Sensor input 6, scaled up 10X
S7
30901
100
Integer
Sensor input 7, scaled up 10X
S8
31001
100
Integer
Sensor input 8, scaled up 10X
STATUS
31101
100
Integer
Gateway Status Parameters,, not used in this demo
The Sensor ID is the index in the arrays listed above. For example, to find the S1 data
for Sensor 15, go to address 3.
STATUS Descriptions
Address
Status
Description
31101
COMM_CHANNEL
Communication channel of system
31102
COMM_NET_ID
Communication network ID of system
31103
ACTIVE_SENSORS
Number of sensors active in system
31104
SENSORS_WITH_LOW_BATTERY
Number of sensors that are sending a low battery signal
31105
REPEATER_MODE
1 means gateway is set as a repeater
31106
TIMEOUT_CONFIG
Value (minutes) of timeout setting; mode disabled if 0
31107
SENSORS_IN_TIMEOUT
Number of sensors currently in timeout, if mode enabled
31108
SOFTWARE_VERSION
Version of gateway software
31109
RESERVED
31110
RESERVED