YSI IQ SensorNet MIQ/A-MOD Module - Manual (Page 16)

Interface for the Modbus RTU MIQ/(A-)MOD
16 ba76021e01 01/2012
Note
Using a shielding terminal, connect the shield of the Modbus cable to
the potential equalization or grounding system of the plant in the vicinity
but outside of the MIQ module housing.
3.2.3 Setting/changing the address, baud rate and parity
Note
The address, baud rate and parity cannot be changed during operation.
Any changes become effective only after a system reset (see system
operating manual).
The settings are made at the DIP switches of the Modbus module:
Fig. 3-10 Dip switches
13 Fasten the cap nut of the screwed cable gland.
14 Check and if necessary correct the position of the Modbus
terminator switch. The switch must be in the OFF position.
15 Perform the check:
 Check whether the wires and cables are screwed on tightly.
 Insulate open wires.
 Remove any cable remains from the MIQ/(A-)MOD module.
16 Close the MIQ/(A-)MOD module.
1 Dip switches to set the address
S1: Dip 1-7
2 Dip switches to set the baud rate
S1: Dip 8 and S2: Dip 1-2
3 Dip switches to set the parity
S2: Dip 3-4
2
3
1
S1
S2
3
2
1
4
5
6
7
8
1
2
3
4
ON
OFF