Teledyne THCD-100 instruction manual Appendices, Appendix a

7.Appendices

7.1.Appendix A

Table 1 – THCD-100 Command Set Summary

Purpose	Cmd	Query	Parameters	Notes
Output current readings	r
Output current readings	rp		0 - 4	P1: 0 = Repeat off
repeatedly				1	= Repeat every 100ms
				2	= Repeat every 500ms
				3	= Repeat every second
				4	= Repeat every minute
				(1 & 2 not allowed when using serial
				communication at baud < 57600)
Setpoint value	spv	spv?	#	P1: Real value to set
Setpoint mode	spm	spm?	0 - 2	P1: 0 = AUTO mode
				1	= OPEN mode
				2	= CLOSED mode
Setpoint source	sps	sps?	0 - 1	P1: 0 = Internal source
				1	= Slave (External) source
Setpoint initial value	siv	siv?	#	P1: Real value to set
Setpoint initial mode	sim	sim?	0 - 2	P1: 0 = AUTO mode
				1	= OPEN mode
				2	= CLOSED mode
Retrieve all settings	ras			Comma separated string returned
				See Table 3 for actual settings
Serial baud rate	bra	bra?	9600, 19200,		BR< 14400 = 9600
			57600	14400 ≤ BR < 28800 = 19200
					BR ≥ 28800 = 57600
Serial protocol	pro	pro?	0 or 1	P1: 0 = RS485
				1	= RS232
Communications address	add	add?	a through h
Input channel units str	uiu	uiu?	ccccc	P1: Max length 5 chars
Input channel range	uir	uir?	#	P1: Real value for range to set
Input channel full scale	uif	uif?	#	P1: Real value for full scale to set
Adaptive filter band	flb	flb?	#	P1: Band percentage (0.011.00) or OFF, or ON
Adaptive filter size	fls	fls?	0 - 6	P1: Buffer size in seconds
Relay switch threshold	rlt	rlt?	1 - 2,	P1: Relay number
			#	P2: Real number for switching point
Relay hysteresis	rlh	rlh?	1 - 2,	P1: Relay number
			0.01 - 0.0	P2: Hysteresis percentage value
User input rezero function	irz	irz?	[0]	P1 (optional): clears current user input rezero
				setting
Date of last calibration		dlc?		Returned date format: yymmdd

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