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2 Nomenclature and Installation
2-1 Unit Components
2-1-1 Nomenclature and Functions
CJ1W-PNT21
The illustration below shows the Status indicators with 7-segment display (A), the Unit number selector switch (B) and the PROFINET IO Ethernet connector (C) on the front side of the CJ1W-
PNT21 Unit. Each of these components is explained in the following sections.
Indicators
The CJ1W-PNT21 PROFINET IO Controller Unit uses the following indicators:
• Four status indicators
• Two 7-segment displays to show extra information
• Two dot indicators
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CJ-series PROFINET IO Controller Unit Operation Manual for NJ-series CPU Unit (W511)
2 Nomenclature and Installation
Status Indicators: MS, NS, COMM and 100M
Indicator
MS (Module Status) Green
Color
ON
State
Red
Flashing
ON
Flashing
NS (Network Status)
--
Green
OFF
ON
Flashing
COMM
100M
Red
--
Yellow
Yellow
Note The indicators flash at a 0.5 second interval.
ON
Flashing
OFF
ON
OFF
ON
OFF
Description
Initialization successful, unit is in normal operation
No connection to the Ethernet Network, but initialization was successful.
A non-recoverable, fatal error has occurred.
(Watchdog timer error, memory error or system error.)
Replace the unit if recurring.
A recoverable, non-fatal error has occurred.
(Structure error, switch setting error,
CPU initialization error, CPU interface error or routing table error.)
Correct the error and reset the Unit
Power isn’t being supplied or the unit is initialising
PROFINET IO data exchange with all active devices.
PROFINET attempting to establish data exchange with all configured devices.
--
The Unit ‘s PROFINET IO Configuration is not available or incorrect.
The Unit is in OFFLINE mode. PROFI-
NET Communication is not possible.
Ethernet communication is active.
Ethernet communication is not active.
PROFINET IO data exchange with at least one active IO Device.
No PROFINET data exchange with any of the active IO Devices.
2
CJ-series PROFINET IO Controller Unit Operation Manual for NJ-series CPU Unit (W511)
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2 Nomenclature and Installation
Seven-Segment Indicator
In addition to the MS and NS indicators, PROFINET IO Controller Units have a 2-digit, 7-segment indicator.
There are dot indicators at the lower-right corner of each digit.
Seven-segment Digits
Status
IO Controller in normal operation
Initializing Unit at startup
Downloading new PROFINET Configuration to the Unit
The Unit encountered an error
PROFINET output data valid status:
• ON: Output data is valid.
• Flashing: Output data is invalid
Reserved
Displays character “r”
Displays character “--”
Displays character “d”
Error code value
Left dot
Right dot
Display
Lit
Lit
Flashing
Lit
Additional Information
There is no priority in the error codes; all errors will be displayed in the order they occur. All error codes consist of a combination of a letter and a number, so they can be distinguished from the other state indications immediately.
Dot Indicators
Indicator
Left dot
Right dot
2-1-2 Switch settings
Unit No. Switch
Content
PROFINET output data valid status
Reserved
Display
ON: Output data is valid
Flashing: Output data is invalid
--
2-4
This determines the addresses to which the CIO Area words allocated to CPU Special Units and special I/O Unit DM Area in the memory used for CJ-series Unit, which device variables for CJ-series Unit specifies the AT specification. Turn OFF the Controller before changing the unit number setting.
Setting method: One-digit hexadecimal
Setting range: 0 to F
CJ-series PROFINET IO Controller Unit Operation Manual for NJ-series CPU Unit (W511)
2 Nomenclature and Installation
Note The unit number is set to 0 at the factory.
You can set any unit number from 0 to F as long as it hasn't been set on another CPU Bus Unit connected to the same CPU Unit.
Precautions for Safe Use
• Use a small flat-blade screwdriver to turn the rotary switches; be careful not to damage the switch.
• Always turn OFF the Controller before changing the unit number setting.
Additional Information
• If the unit number is the same as one set on another CPU Bus Unit connected to the same
CPU Unit, a major fault level controller error "Duplicate Unit Number" will occur and it won't be possible to start up the PROFINET network.
• After correcting the unit number setting, cycle the power to the Controller.
• The two lower rotary switches are reserved for future use.
2
Ethernet Connector
The CJ1W-PNT21 has on Ethernet port.
7
8
5
6
9
3
4
1
2
Pin Signal
Transmission data +
Transmission data -
Reception data +
Not used
Not used
Reception data -
Not used
Not used
Field Ground
---
RD-
---
---
FG
TD+
TD-
RD+
---
Abbreviation
Output
Output
Input
---
---
Input
---
---
---
Signal Direction
CJ-series PROFINET IO Controller Unit Operation Manual for NJ-series CPU Unit (W511)
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2 Nomenclature and Installation
Additional Information
The following standards and specifications apply to the Ethernet connector and the twisted-pair cable.
• Electrical specifications: Conforming to IEEE 802.3 standards
• Connector structure: RJ45 8-pin Modular Connector (conforming to ISO 877). For more information about connectors see the PROFINET Cabling and Interconnection Technology Guideline Order No.: 2.252 available through PI (Profi International).
For the Ethernet infrastructure please follow the following guidelines:
• Shielded twisted-pair (STP) cable: minimum category CAT5 in accordance with ISO/IEC
24702 but only suitable for Conformance Class A. PROFINET-specific cable in accordance with IEC 61784-5-3 is preferable for Conformance Class A. And is mandatory for Conformance Class B/C. For more information see the PROFINET Conformance Class A Cabling
Guideline. Order No.: 7.072 available through PI.
• Make sure to follow the PROFINET Installation Guideline for Cabling and Assembly Order
No.: 8.072 available through PI.
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CJ-series PROFINET IO Controller Unit Operation Manual for NJ-series CPU Unit (W511)
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