Specifications

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33
Modicon
™
Momentum
™
automation platform
Analog I/O bases
Specications for discrete and analog I/O bases
Type of base unit 170 ANR 120 90 170 ANR 120 91
Number of inputs and outputs 1 x 6 analog inputs
2 x 4 discrete inputs
1 x 4 analog outputs
1 x 8 discrete outputs
Operating voltage Vdc 24, range 19.2...30
Internal current mA 400 @ 24 Vdc
Analog inputs Resolution 14 bit
Input range Vdc 0...10 - 10...+ 10
Input type Single-ended
Conversion time 0.75 ms maximum for 6 input channels
Conversion tolerance 0.2 % @ 25 °C for 0 - 10 Vdc inputs
Max input signal Vdc 15 for voltage input
Max temperature drift Vdc 10 inputs
Input resistance
MW
>1 for voltage inputs
Discrete inputs Voltage Vdc 24
Conguration 2 groups of 4 inputs
Signal Type True high
Minimum on voltage Vdc > 11
Maximum off voltage Vdc < 5
Input current Minimum On mA 6
Maximum Off mA 2
Input voltage Range Vdc + 3...+ 32
Surge Vdc 45 peak for 10 ms
Response time Off to On ms 1.2,
On to Off ms 1.2
Analog outputs Resolution 14 bit
Output range Vdc 0...10 - 10...+ 10
Conversion time ms 1.20 for four channels
Conversion tolerance max. + 0.4 % of upper measuring range value @ 25 °C
Output load
> 2 kW minimum @ 0...10 Vdc
Fail state Hold or reset to zero
Discrete outputs Voltage Vdc 10-30 operating, 50 for 1 ms maximum
Type Solid State Switch
Signal type True high
Current capacity A 0.25 per point, 2 per group, 2 per module
Leakage current mA 0.4 @ 30 Vdc
Surge current A 2.5 for 1 ms
On state voltage drop Vdc < 0.4 @ 0.25 A current
Response time Off to On ms 1.2
On to Off ms 1.05
Output protection The Outputs are protected against overload and short-circuiting
Output indicator 1 LED per point
Potential isolation Discrete input to output None
Analog input to output None
Analog input and output to
operating voltage
Vac 500 for 1 minute.
Operating voltage and inputs
and outputs from ground
Vac 500 for 1 minute
Power dissipation Typical W 4.0
Maximum W 6.0
Agency approvals UL, e, CSA
References :
pages 34 and 35
Dimensions :
page 35
Wiring diagrams :
pages 36 and 37
Specications (continued)