Varec 2920 - Page 56

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2920 Float & Tape Transmitter 4 Wiring

46 Installation and Operations Manual

J17 – Alarms (Discrete Inputs) 1 Common All Transmitters

2Alarm 1

3 Common

4Alarm 2

J6 – Serial Connection (RS-232) 2 Receive Data (RXD) All Transmitters

3 Transmit Data (TXD)

5 RS-232 Gnd

J18 – 3 Wire RTD Input 1 A - RTD Signal All Transmitters

2B - Return 1

3C - Return 2

J12 – 4-20 mA Analog Input 1 +24 VDC Output (50 mA maximum) Order Code Dependent

2 Analog Input Signal

3+24 VDC Return

J7 – Dual Channel 4-20 mA Analog

Output

1 AO Channel 2 Return Order Code Dependent

2 AO Channel 2 Signal

3 +24 VDC Output (50 mA maximum)

4AO Channel 1 Return

5 AO Channel 1 Signal

J11 – HART Interface 1 HART Return Order Code Dependent

2HART Signal

J1 – CAN Interface

(Controller Area Network)

1 CAN H Order Code Dependent

2CAN L

J8 – LCD Interface Liquid Crystal Display Interface All Transmitters

J9 – Button Interface Configuration Button Interface All Transmitters

Connector / Function Terminal Assignment Description