
BL compact™ fieldbus station for DeviceNet™
16 Digital PNP Inputs
BLCDN-8M12L-8DI-P-8DI-P
Type designation BLCDN-8M12L-8DI-P-8DI-P
Ident-No. 6811025
Fieldbus transmission rate 125/250/500 kbps
Adjustment transmission rate Automatic detection
Fieldbus connection technology 2 × M12, 5-pole
Fieldbus address range 0...63
64…80 (programmable MACID)
81…99 (manufacturer specific)
Fieldbus addressing 2 decimally coded rotary switches
Service interface RS232 interface
Vendor ID 48
Product type 12
Product code 11025
■ On-machine Compact fieldbus I/O block
■ DeviceNet™ slave
■ 125 / 250 / 500 kbps
■ Two 5-pole M12 connectors for fieldbus
connection
■ 2 rotary switches for node address
■ IP67, IP69K
■ M12 I/O connectors
■ LEDs indicating status and diagnostics
■ Electronics galvanically separated from
the field level via optocouplers
■ 16 digital PNP inputs, 24 VDC
Digital inputs
Input type PNP
Type of input diagnostics Group diagnostics
Low level signal voltage < 4.5 VDC
High level signal voltage 7 ... 30 VDC
Low level signal current < 1.5 mA
High level signal current 2.1 ... 3.7 mA
Input delay 0.25 ms
Vibration test according to IEC 61131-2
Extended vibration resistance
- up to 20 g (at 10 up to 150 Hz) For mounting on base plate or machinery
Shock test according to IEC 61131-2
Electromagnetic compatibility according to IEC 61131-2
Approvals and certificates CE, cULus
Dimensions (W x L x H) 71 x 168 x 32.5mm
Operating temperature -40...+70 ºC
Storage temperature -40...+85 ºC
Relative humidity 15 to 95% (non-condensing)
Protection class IP67
IP69K
Housing material Glass-filled nylon, nickel plated brass connectors
Housing color Black
Window material Lexan
Material screw Nickel-plated brass
Material label Polyester with polycarbonate overlay
Ground label material Nickel plated brass
Weight 550 ± 20 g
Mounting 2 × 5.4 mm diameter holes, 1.7 Nm torque
Edition • Rev. A • 2019-01-21T16:35:37+01:00
1 / 4 TURCK Inc.

BL compact™ fieldbus station for DeviceNet™
16 Digital PNP Inputs
BLCDN-8M12L-8DI-P-8DI-P
Pinning and wiring diagram
DeviceNet™
Fieldbus cable (example): RSC RKC 572-2M ident-no. U0323 or
RSC-RKC572-2M ident-no. 6603629
Pin Assignment
Slot 1: Digital Inputs
Extension cable (example): RK 4.4T-2-RS 4.4T ident-no. U2445 or
RKC4.4T-2-RSC4.4T/TEL ident-no. 6625208
Slot 2: Digital Inputs
See slot 1
Pin Assignment
Wiring Diagram for Dual Input Sensor
Wiring Diagram for 2 Sensors
Pin Assignment
Edition • Rev. A • 2019-01-21T16:35:37+01:00
2 / 4 TURCK Inc.

BL compact™ fieldbus station for DeviceNet™
16 Digital PNP Inputs
BLCDN-8M12L-8DI-P-8DI-P
Station LED status
LED Color Status Description
IOs OFF No power
RED ON Low power or station error
RED FLASHING (1 Hz) I/O module configuration error
RED FLASHING (4 Hz) No I/O module bus communication
GREEN ON Station ok
GREEN FLASHING Force mode active
MNS
GREEN ON Connection established
GREEN FLASHING (1 Hz) No connection established, device OK
RED ON Duplicate MAC-ID
RED FLASHING Connection time out
IO
I/O LED status slot 1
LED Color Status Description
D1 * OFF No diagnostics active
DI Channels OFF Status of channel x = „0“ (OFF)
10...1
7
* D1 LED also indicates gateway diagnostics
I/O LED status slot 2
LED Color Status Description
D2 * OFF No diagnostics active
DI channels OFF Status of channel x = „0“ (OFF)
20...2
7
* D2 LED also indicates gateway diagnostics
GREEN ON I/O active
GREEN FLASHING (1 Hz) One or more I/O in Idle State
RED ON One or more I/O error
RED FLASHING One or more I/O in Faulted State
RED ON Station error/ module bus communication failure
RED FLASHING (0.5Hz) Diagnostics active (Slot 1)
GREEN ON Status of channel x = „1“ (ON)
RED ON Station error/ module bus communication failure
RED FLASHING (0.5Hz) Diagnostics active (Slot 2)
GREEN ON Status of channel x = „1“ (ON)
OFF No connection
Edition • Rev. A • 2019-01-21T16:35:37+01:00
3 / 4 TURCK Inc.

BL compact™ fieldbus station for DeviceNet™
16 Digital PNP Inputs
BLCDN-8M12L-8DI-P-8DI-P
I/O & Diagnostic Data Map
INPUT BYTE Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
0 DI 1
1 DI 2
7
7
DI 1
DI 2
6
6
DI 1
DI 2
5
5
DI 1
DI 2
4
4
DI 1
DI 2
3
3
DI 1
DI 2
2
2
DI 1
DI 2
1
1
DI 1
DI 2
0
0
Edition • Rev. A • 2019-01-21T16:35:37+01:00
4 / 4 TURCK Inc.