Hach-Lange SC 1000 - Manual (Page 35)

33
Installation
5. Write the serial number from the rating plate on the supplied sticker and attach it to
the main high voltage barrier ( Figure 18 ).
6. Install the probe module cover.
After installation and connection of a plug-in expansion card, the card must be configured
to the system. For output card setup instructions, refer to
section 6.3.1, page 78 .
3.6.4 Modbus card connections
Modbus RS485 (YAB021) and Modbus RS232 (YAB047) are available. For more detailed
information refer to the bus system manual.
To make a Modbus card connection:
1. Remove power from the instrument. Remove the probe module cover.
2. Connect the Modbus card to the appropriate slot ( Figure 18 ). Use a magnetic
screwdriver to secure the four screws to the card.
3. Install the card connector to the appropriate connection on the main circuit board
( Figure 17 ).
4. Feed the cable through the base of the module and properly prepare and insert each
wire into the terminal according to Figure 24 / Table 7 and Figure 25 / Table 8 .
5. Write the serial number from the rating plate on the supplied sticker and attach it to the
main high voltage barrier ( Figure 18 ).
6. Install the probe module cover.
Figure 23 Output card (YAB019) cable connections
1 Terminal Block – Refer to Table 6 for terminal assignments.
Table 6 Output card (YAB019) terminal assignments
Terminal Designation
1 Output 1+
2 Output 1 –
3 Output 2 +
4 Output 2 –
5 Output 3 +
6 Output 3 –
7 Output 4 +
8 Output 4 –
9 Shield (Connected to protective earth)