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Optional Equipment
Connecting External Devices
9-2
146iQ Instruction Manual
Thermo Scientific
The communication board consists of:
●
RS-232/485 Port
●
RS-485 External Accessory Port
The RS-232/RS-485 port uses a 9-pin serial connector with a bi-directional
serial interface that can be configured for either RS-232 or RS-485
communication.
Figure 9–2.
RS-232/RS-485 Port
Table 9–1.
RS-232/RS-485 Port Terminal Assignment
Terminal Number
Signal Name
1 No
Connect
2 RX/RS485_RX_P
3 TX/RS485_TX_N
4 No
Connect
5 GND
6 No
Connect
7 RTS/RS485_TX_P
8 CTS/RS485_RX_N
9 No
Connect
Communication
Board
RS-232/RS-485 Port
Summary of Contents for 146iQ
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