Honeywell R0512 manual Pull-Up Resistor Handling, Last Change, By plug-in For DI on AI Impedance

ATTRIBUTESEXCEL 50/100/500/600/800

Pull-Up Resistor Handling

Table 10. Pull-up resistor handling

					pull-up			input	load-free voltage
									with NTC	for voltage
	device			de-	configured			circuit		input or
		voltage	hardware			configured	activated		or low-
				activated	by DIP			diagram		high-
				by @ (8)	switch	by plug-in	for DI on AI	(Fig. 14)	impedance	impedance
									input	input
XF830A
XFU830A			optional	YES		NO		case 1		0 V
XF821A			switch-off
							YES
XFL821A		10 V				YES			8.89 V
XF521,
XF521A			fixed	NO		NO		case 2		8.89 V
XF526
XFL521,			optional	YES(3	NO		config.(6	case 1
XFL521A/B						YES				0 V
Smart I/O		5 V	switch-off	YES(4			YES(7	case 3	5 V
XFC
XL20			fixed	NO			YES	case 2		8.89 V
XL50			optional	YES(2			YES(5	case 1		0 V
			switch-off
XL100,		10 V	fixed			NO	YES	case 2	8.89 V	8.89 V
XL100A				NO
XL100B			optional		YES		configurable	case 1		0 V
XL100C			switch-off	YES(1	NO		YES(5
(1	controller	firmware ≥	2.03;
(2	controller firmware ≥ 2.02;
(3	controller firmware ≥ 2.03 (local/shared mode), CARE ≥ 5.00.01 (open mode);
(4	CARE ≥ 5.00.01;
(5	controller firmware < 2.04;
(6	controller firmware < 2.04 (local/shared mode), CARE ≥ 5.01.xx (open mode);
(7	CARE ≥ 5.01.xx;
(8	Assigning "@" as first digit of input characteristic name (e.g.: "@0-10V") in the CARE text editor disables the pull-up resistor.

When using the XF821A/XFL821A for current inputs, be sure to assign "@" as the first digit of the input characteristic name.

10 V Case 1

24.9 kΩ
(pull-up)
		A
	150 kΩ		D

10 V Case 2

24.9 kΩ
(pull-up)
		A
	150 kΩ		D

5 V Case 3

18.2 kΩ
(pull-up)
		A
	100 kΩ		D

49.9 kΩ

49.9 kΩ

100 kΩ

Fig. 14. Input circuit diagram

Last Change

In the attribute "Last Change", the last change of state of a digital input/output is stored with the time and date.

EN2B-0092GE51 R0512 26