RMS1 – GR User’s Manual
Exemys
www.exemys.com
14
4
Modbus Map
4.1
Description of the Modbus Map
The Modbus Map is shown below with the memory zones corresponding to each one of the
registers of the Modbus Slave.
The RMS1-GR has 16 digital inputs, 16 digital outputs and 6 analog inputs.
It should be noted that address 30009 of the INPUT REGISTER, which contains the digital
input statuses of the equipment, bit 0 (or the least significant) corresponds to digital input 1,
and bit 15 (the most significant) corresponds with digital input 16.
The same thing happens with address 30011 of the INPUT REGISTER, which contains in this
case, the status of digital outputs, bit 0 (or the least significant) corresponds to digital output
1, and bit 15 (or most significant) corresponds with digital output 16.
The INPUT STATUS register of address 10001 to 10016 contains in each one of its addresses
the individual status of each one of the digital inputs.
The COIL STATUS register 00001 to 00016 contains in each one of its addresses the
individual status of each one of the digital inputs.
Memory Area
Address
Description
30.001 to
30.006
Analog Inputs
30.007 to
30.008
Reserved
30009
Digital Inputs
30010
Reserved
30011
Digital Outputs
30012
Reserved
INPUT STATUS
10001 to
10016
Digital Input 1 to 16
COIL STATUS 00001 to
00016
Digital Output 1 to 16
INPUT
REGISTER
HOLDING
REGISTER
40001 to
40012
Register 1 up 10 and Register 12 are general purpose only.
Register 11 is for Digital Output write.
