User guide

P/N 131598 rev. F 3
Banner Engineering Corp.•Minneapolis,MNU.S.A
www.bannerengineering.com•Tel:763.544.3164
SureCross™ DX80 M-GAGE™ Node with Integrated Battery
There are sixteen Modbus holding registers
for each device. Calculate the holding
register number for each device using the
equation:
Registernumber=I/O#+(Node#•16).
Because the Gateway is always device 0, the
Gateway’s holding registers are registers 1
through16whileregistersforNode1are17
through 32.
Using the equation, the register number for
I/Opoint15forNode7is127.
The M-GAGE value in I/O 1 is the deviation
between the total measured magnetic field in
the X, Y, and Z axes and the stored baseline.
To send configuration messages, use the
Node’s I/O point 13.
To create a baseline command, use a control
message or use the Node’s I/O point 14.
For more instructions, refer to the Baseline
section.
I/O
Point
Gateway
Modbus
Holding
Register
Node
Modbus
Register
DX80
M-GAGE™ FLEX(Node)
1 1 1 + (Node# × 16) M-GAGE
2 2 2 + (Node# × 16)
3 3 3 + (Node# × 16)
4 4 4 + (Node# × 16)
5 5 5 + (Node# × 16)
6 6 6 + (Node# × 16)
7 7 7+(Node#×16) Reserved
8 8 8 + (Node# × 16) Device Message
9 9 9 + (Node# × 16)
10 10 10 + (Node# × 16)
11 11 11 + (Node# × 16)
12 12 12 + (Node# × 16)
13 13 13 + (Node# × 16) Configuration Message
14 14 14 + (Node# × 16) Baseline Command
15 15 15 + (Node# × 16) Control Message
16 16 16 + (Node# × 16) Reserved
Modbus Register Block
Baseline
The baseline function of the M-GAGE Node stores the ambient magnetic field values of the X, Y, and Z axes as a baseline reading. Once this
baseline is established, any deviation in the magnetic field will be reflected in the M-GAGE register. The more disruption in the magnetic field,
the larger the M-GAGE register value.
For a host-connected system using standard Gateways, set the baseline magnetic field by writing to a Modbus register. Sending the value of
4096 (0x1000) to the Node’s I/O point 15 (Control Message) triggers the M-GAGE to read the existing magnetic field as the new baseline.
Fornon-hostconnectedsystems,useoneofthetwospecialM-GAGEGatewaystosetthebaseline:
The inputs of the DIP switch M-GAGE Gateway (model DX80G*M6*6P6ZP) are mapped to the M-GAGE Node’s I/O point 14. Activating •
the Gateway’s input for at least five seconds triggers the M-GAGE to use the existing magnetic field as the new baseline.
The special M-GAGE Gateway (model DX80G*M6*6P6Z) uses special mapping to baseline up to six M-GAGE Nodes.•