Modicon Momentum Plc Page 51 Communication adapters

1 2 3 4 5 6 7 8 9 10 51 Modicon Momentum automation platform Modbus Plus communication adapters Description Each 170 PNT/NEF communication module is comprised of: 1 Three indicator lights (LEDs): - MB + ACT indicator light (green) : module powered up or communicating - ERR A indicator light (red) : detected communication error network A - ERR B indicator light (red) : detected communication error network B (for redundant model) 2 A 9-way male SUB-D connector for connecting to the Modbus Plus network 3 A 9-way male SUB-D connector for a redundant Modbus Plus network 4 A slot for an identification label (supplied with I/O sub-bases) 5 Two switches for coding the slave address on the bus Specifications Type of module 170 PNT 110 20 170 PNT 160 20 170 NEF 110 21 170 NEF 160 21 Communication network Modbus Plus Master PLC on the network Modicon Quantum , Modicon Premium Modicon Quantum Modicon Quantum, Compact 984 Structure Type Industrial Redundancy No Yes No Yes Topology Multi-drop, devices connected using extension cable or tap-off cable Length 5,000 m (6000 ft) maximum with repeaters Access method Token bus Transmission Bit rate 1 Mbit/s Medium Twisted pairs Data Format IEC Data Format 984 Data Format Number of Modicon Momentum devices Per segment 31 connection points Maximum 63 connection points Power source Power supply on-board the I/O base Behavior in the event of a detected communication error Discrete I/O : forcing to state 0 Analog I/O : configurable (maintain value, fallback to 0 or full scale value) Services Configuration : Peer cop and MSTR function block, peer-to-peer mode Agency approvals UL, e , CSA, FM Class I, Div. II UL, e , CSA 3 1 2 4 5 References : page 53 Description, specifications

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