Specifications

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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 identication label (supplied with I/O sub-bases)
5 Two switches for coding the slave address on the bus
Specications
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 : congurable (maintain value, fallback to 0 or full scale value)
Services Conguration : Peer cop and MSTR function block, “peer-to-peer” mode
Agency approvals UL, e, CSA, FM Class I, Div. II UL, e, CSA
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45
References :
page 53
Description,
specications