Modicon Momentum Plc Page 17 Discrete I/O bases

1 2 3 4 5 6 7 8 9 10 17 Modicon Momentum automation platform Discrete I/O bases Specifications for discrete I/O bases Type of base unit 170 ADM 390 30 / 170 ADM 390 31 170 ARM 370 30 Number of points Inputs 1 x 10 Outputs 2 x 4 Operating voltage V 24 DC 120 AC (47...63 Hz) Internal current mA 250 @ 24 Vdc 5 minimum load current Inputs Voltage V 24...230 AC 20...115 DC Signal type True High On voltage minimum Vdc + 11+ 30 Off voltage maximum Vdc - 3...+ 5 Input current mA 2.5 minimum On, 1.2 maximum Off Input voltage range Vdc - 3...+ 30 Input resistance k 4 Response time ms 2.2 Off to On, 3.3 On to Off Outputs Voltage V 24...230 AC, 20...115 DC / 24 Vdc ( 170 ADM 390 31 only) Type Relay normally open Current capacity 24 Vdc A > 0.005 (new contacts), ohmic load 2 A maximum, inductive load 1 A maximum (LR y 40 ms) Current capacity 115 Vdc A Ohmic load 0.5 A maximum (switching current y 1.5 A), inductive load 0.15 A maximum (LR y 40 ms) Current capacity Vac A 2 A maximum (switching current y 1.5 A) cos = 1 , 1 A maximum cos = 0.5 2 A per point, 8 A per group, 16 A per module Leakage current mA < 1 @ 230 Vac - Detected error indication None Response time ms 10 @ 60 Hz Off to On, 10 @ 60 Hz On to Off Max. number of switching circuits > 30 x 10 6 (mechanical), > 1 x 10 5 (inductive load with external protection circuit) Protection against short circuit and overload None Varistor in parallel with each contact Potential isolation Input to Input None Output group to output Group V rms None 1780 AC Input to output group V rms None 1780 AC Field to communication interface V rms 500 AC Fusing Internal None External operating voltage 315 mA fast-blow 4 A fast-blow External input voltage max. 4 A fast-blow None External output voltage According to the supply of the connected actuators not to exceed 8 A slow-blow/group None Power dissipation Typical W 5.5 Maximum W 8.5 Agency approvals UL, e , CSA UL, e , CSA, FM Class I, Div. II Description: page 12 References: page 19 Dimensions, mounting: page 20 Wiring diagrams: pages 20 to 25 Specifications (continued)

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