Rice Lake DWM-IV Weighmeter Series 9 Setup Manual - Manual (Page 21)

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Pin-Out Reference Table of HD2
HD2 is a 5-Pin Single Inline Header used for RS232 -C Communication
Pin No. 1 TxD (Transmit Data RS -232C Comm unication Channel 1)
Pin No. 2 RxD (Received Data RS-232C Communication Channel 1)
Pin No. 3 Com (Signal Ground RS-232C Comm unication Channel 1)
Pin No. 4 Com (Signal Ground RS-232C Comm unication Channel 2)
Pin No. 5 TxD (Transmit Data RS -232C Comm unication Channel 2)
Pin-Out Reference Table of TB1
TB1 is a 5 Pin Screw Ter minal used for the Load Cell Connection
Pin No. 1 +Excitation
Pin No. 2 +Signal
Pin No. 3 - Signal
Pin No. 4 - Excitation
Pin No. 5 Shield
Pin-Out Reference Table of TB2
TB2 is a 3 Pin Terminal Block used for the AC Supply Voltage Connec tion
Pin No. 1 AC Voltage Supply wire from step -down transformer
Pin No. 2 AC Voltage Supply wire from step -down transformer
Pin No. 3 Earth Connection
Pin-Out Reference Table of TB3
TB3 is a 2 Pin Terminal Block for DC Supply Voltage Connection to a Battery
Pin No. 1 +12VDC Supply from Battery
Pin No. 2 0VDC Supply from Battery