Teledyne THCD-100 Interface Socket Pin out Miniature 15 Pin D Type, Pin Number Designation 1

2.3.Interface Socket Pin out – Miniature 15 Pin 'D' Type

		Pin Number	Designation
	1		Analog Output
	2		Relay 2 Common
	3		Relay 2 Normally Open contact
	4		Relay 2 Normally Closed contact
	5		0V (Signal Ground)
	6		External Setpoint Return
	7		N/C
	8		External Setpoint
	9		N/C
	10		0V (Signal Ground)
	11		TTL Input – Disable Menu
	12		TTL Input – Disable Zero
	13		Relay 1 Common
	14		Relay 1 Normally Open contact
	15		Relay 1 Normally Closed contact	Interface
2.4.Serial
Socket Pinout – 9 Pin 'D' Type
		Pin Number	Designation 1 2
		1	RS485 Tx +
		2	RS232 Rx
		3	RS232 Tx
		4	RS485 Tx –
		5	Common
		6	RS485 Rx +
		7	RS485 Rx –
		8	N/C
		9	Common

1For RS232 only, connect only the pins designated in bold font.

2For RS485 only, connect only the pins designated in normal font. See section 4 for instructions on changing the serial protocol.

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