1781, Classic & WRC4 Series Single-point DC Input Discrete I/O Modules

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1781 DC input

WRC4 DC input

General specifications Operating temperature range –30 to +80°C Storage temperature range –40 to +100°C Isolation 4,000 V rms Capacitance input to output 8 pF Application notes Do not install or remove modules in live (electrically hot) circuits. High voltage may be present. Input connections are polarized according to diagram

DC input module specifications by part number

INPUT: 1781 SLIM	1781-IB5S	1781-IBYS	1781-IBXS	1781-IT5S	1781-ITYS	1781-ITXS	Units
INPUT: 1781 MINI	1781-IB5M	1781-IBYM	1781-IBXM	1781-IT5M	1781-ITYM	1781-ITXS
INPUT: WRC4	WRC4-IB5S	WRC4-IBYS	WRC4-IBXS	WRC4-IT5S	WRC4-ITYS	WRC4-ITXS
INPUT: CLASSIC	IDC5D	IDC15D	IDC24D	IDC5K
Nominal Input Voltage	24	24	24	24	24	24	V dc
Minimum Input Voltage	3.3	3.3	3.3	3.3	3.3	3.3	V dc
Maximum Input Voltage	32	32	32	32	32	32	V dc
Nominal Input Resistance	1K	1K	1K	1K	1K	1K	ohm
Maximum Input Current	32	32	32	32	32	32	mA dc
Drop Out Current	1	1	1	1	1	1	mA dc
Allowable Off-state Current	1	1	1	1	1	1	mA dc
Allowable Off-state Voltage	2	2	2	2	2	2	V dc
OUTPUT
Nominal Logic Voltage	5	15	24	5	15	24	V dc
Min Logic Voltage - WRC4	3	10	18	3	10	18	V dc
Min Logic Voltage - 1781	1.5	8.5	16.5	1.5	8.5	16.5	V dc
Max Logic Voltage - WRC4	7	20	32	7	20	32	V dc
Max Logic Voltage - 1781	6	19	30.5	6	19	30.5	V dc
Typical Logic Supply Current	10	10	10	10	10	10	mA dc
Max Logic Supply Current	18.5	16	14	18.5	16	14	mA dc
Max Logic Supply Leakage Cur.	10	10	10	10	10	10	µA dc
Maximum Output Voltage	30	30	30	30	30	30	V dc
Maximum Output Current	50	50	50	50	50	50	mA dc
Max Output Leakage Current	10	10	10	10	10	10	µA dc
Max Output Voltage Drop	200	200	200	200	200	200	mV dc
Maximum Turn-on Time	300	300	300	30	30	30	µsec
Maximum Turn-off Time	600	600	600	60	60	60	µsec