Modbus Card Connections - Hach sc1000 User Manual

Installation

3.8 Modbus Card Connections

Figure 25 Modbus Card Connections
1. Jumpers
–
2. Terminal Block Refer to
Terminal
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Refer to the documentation supplied with the Modbus Card for more information.
1. Remove power from the instrument.
2. Make the connections as shown in
is connected to a threaded spacer on the board.
3. Refer to Configuring New Components on page 54
Table 11 for terminal assignments. 4.
Table 11 Modbus (RS485) Card Terminal Assignments
1
2
3
4
5
6
7
Figure 25
1
3
3. Jumper setting for network termination with full duplex
Jumper setting for network termination with half duplex
Modus RS485 Designation
PE (Protective Earth)
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and Table 11. Make sure that the shield
for operation setup instructions
1 2 3 4 5 6 7
2
Not Used
Not Used
Output –
Output +
Input –
Input +
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4