2726188 Phoenix Contact, 2726188 Datasheet - Page 154

• Manufacturer Part Number: 2726188
• Description: INTERBUS Bus Coupler
• Manufacturer: Phoenix Contact

IL SYS INST UM E
Table A-3
Table A-4
A-4
Criterion
Number of
channels
Maximum cable
length
Criterion
Number of
channels
Maximum cable
length
PHOENIX CONTACT
Maximum cable lengths: Analog input
Maximum cable lengths: Temperature recording
IB IL AI2/SF-PAC IB IL AI8/SF-PAC
IB IL TEMP 2
RTD-PAC
2861302
2861328
250 m
250 m
2
2
A 3
The following applies for the section below:
–
–
–
A 3.1
1
Please also observe the information in the device-specific data sheet.
1
The values for the maximum cable length are valid in accordance with the installation
instructions and have been determined using the following reference data for the
sensor or actuator cable:
The values in the tables also apply for versions of the specified terminal with
comparable technical properties (e.g., -2MBD or non-PAC versions).
Information about longer lengths or other cable types is available on request.
Cable type
Inductance
Effective
capacitance
Please observe the specified tolerances for the selected connection method (2, 3 or
4-wire) (see data sheet).
IB IL TEMP 4/8
Maximum cable lengths for analog devices
Analog input and temperature recording
RTD-PAC
2861412
2863915
250 m
250 m
8
8
1
LiYCY (TP)
N x 2 x 0.5
0.67 mH/km (typical)
120 nF/km
IB IL AI8/IS-PAC
IB IL TEMP 4/8
RTD-EF-PAC
2861661
2897402
250 m
250 m
8
8
Where:
N = Number of wire pairs
0.5 = Conductor cross-section A in mm
(Between the wires)
IB IL AI2/SF-230-
2861577
250 m
PAC
2
IB IL AI4/EF-PAC
2878447
250 m
4
6452_en_02
2