Complete model |
CI521-MODTCP |
Official description |
ABB AC500/S500 CI521-MODTCP Modbus TCP communication interface module with 4 AI, 2 AO, 8 DI and 8 DO. |
Product family |
AC500 / S500 |
Product type |
Modbus TCP communication interface module |
Core selection point |
Integrated mixed I/O for Modbus TCP decentralized stations |
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Complete model
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CI521-MODTCP
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Brand
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ABB
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Order code
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1SAP222100R0001
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Product family
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AC500 / S500
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Product type
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Modbus TCP communication interface module
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Network role
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Modbus TCP server for decentralized I/O
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Integrated I/O
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4 AI, 2 AO, 8 DI and 8 DO
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Analog inputs
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4 configurable channels for voltage, current, RTD or digital signal
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Analog outputs
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2 configurable voltage or current channels
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Analog resolution
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12 bits plus sign
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Digital inputs
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8 channels, 24 V DC, Type 1
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Digital outputs
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8 channels, 24 V DC, 0.5 A per channel; 4 A total
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Modbus TCP interface
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2 x RJ45 with integrated switch
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Protocol detail
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IP address by ABB tool and rotary switches; fast counter up to 200 kHz
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Input / output data length
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20 bytes input; 24 bytes output
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Process supply
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24 V DC via UP and UP3
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Current consumption
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0.2 A via UP; 0.06 A via UP3 plus output load
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Maximum power dissipation
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6 W
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Expansion capacity
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Up to 10 S500 I/O modules
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Required terminal unit
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TU507-ETH or TU508-ETH
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Mounting
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35 mm DIN rail, 7.5 mm or 15 mm depth
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Dimensions
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Approx. 67.5 x 135 x 76 mm with terminal unit
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Weight
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Approx. 125 g without terminal unit
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Protection rating
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IP20 when fully assembled
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Operating temperature
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0 to +60 deg C horizontal; 0 to +40 deg C vertical with output derating
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Storage temperature
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-40 to +70 deg C
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Electrical isolation
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Ethernet interface galvanically isolated from the rest of the module
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Remote I/O
Use CI521-MODTCP as a Modbus TCP server in distributed AC500/S500 stations.
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Analog measurement
Acquire voltage, current and RTD signals through four configurable analog inputs.
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Analog control
Provide two configurable analog outputs for voltage or current control.
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Digital machine I/O
Connect eight 24 V DC inputs and eight 0.5 A transistor outputs.
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Addressing
Set the final IP byte by rotary switches or ABB IP Configuration Tool.
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Process data
Exchange 20 bytes input; 24 bytes output.
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Channel setup
Configure analog ranges and diagnostics channel by channel.
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Diagnostics
Front LEDs show system, network, channel, error and supply states.
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Network ports
Two RJ45 ports with an integrated switch support line topology.
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Local I/O bus
Attach up to ten S500 expansion modules.
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Field wiring
Integrated channels, UP, UP3 and ZP connect through the terminal unit.
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Terminal unit
Use TU507-ETH or TU508-ETH.
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DIN rail mounting
Install the terminal unit on a 35 mm DIN rail and lock CI521-MODTCP in place.
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Power wiring
Supply 24 V DC through UP and UP3 with 10 A fast protection.
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Network setup
Set the IP address and verify Modbus TCP mapping.
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Cooling clearance
Keep convection paths clear and apply vertical-mounting output derating.
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How can a buyer verify the exact CI521-MODTCP offered?
Match CI521-MODTCP and 1SAP222100R0001 on the label and quotation. Confirm Modbus TCP, 4 AI, 2 AO, 8 DI and 8 DO and two RJ45 ports.
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How can new, used and refurbished CI521-MODTCP units be distinguished?
Request dated label, RJ45, I/O contact and DIN-rail photos. New stock should show no wiring, mounting or cleaning marks and should have matching package identification.
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How can the supplier for CI521-MODTCP be verified?
Confirm legal registration, address, bank beneficiary and business contacts. Require CI521-MODTCP and 1SAP222100R0001 on the quotation.
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What should engineering verify before purchasing CI521-MODTCP?
Verify Modbus TCP compatibility, 20 bytes input; 24 bytes output, 4 AI, 2 AO, 8 DI and 8 DO, 24 V DC UP/UP3 power, TU507-ETH or TU508-ETH and the 67.5 x 135 x 76 mm installed envelope.
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What physical evidence should be requested before payment?
Request current photos or video showing CI521-MODTCP, 1SAP222100R0001, the ABB serial label, both RJ45 ports, I/O contacts and any terminal unit.
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Can a similar model or suffix replace CI521-MODTCP?
Not automatically. The XC suffix has a different order code and environmental designation. Match the complete model, protocol, I/O map, data length and terminal unit.
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