Terminal Identification Of Separately Mounted Transmitter - Oval ALTI mass CA00A Instructions Manual

Recommended cable condition for FOUNDATION Fieldbus and PROFIBUS communication
Cable specification
Type A
18AWG
Twisted pair cable
0.8mm
(pair shielded)
Type B
22AWG
Twisted pair cable
0.32mm
(common shielded)
Type C
26AWG
Twisted pair cable
0.13mm
(unshielded)
Type D
16AWG
Straight through cable
1.25mm
(common shielded)
Source: IEC 61158-2："Digital data communications for measurement and control – Fieldbus for use
industrial control systems – Part 2 : Physical layer specification and service definition"
NOTE: Placeable cable lengths vary depending on actual field conditions. For the details, refer to the
documents listed below:
・"PROFIBUS PA Technology and Application"
・FOUNDATION Fieldbus Application Guide AG-140; "Wiring and Installation; 31.25 kbit/s,
Voltage; Model,Wire Medium"
Recommended cable condition for Modbus communication
Cable specification
Twisted pair
Applicable rubber packing size for wire lines and sizes
Recommended wire size
Cable packing gum ID.
φ8.1 to φ9.0
φ9.1 to φ10.0
φ10.1 to φ11.0
φ11.1 to φ12.0
φ12.1 to φ13.0
φ13.1 to φ14.0
NOTE: Use shreld cables.

7.9 Terminal Identification of Separately Mounted Transmitter

Terminal
Item
name
TB20
TB21
NOTE: ※: Maximum lengths of the cable are: 50m for Type S stainless steel tube type, 100m for
Type S titanium tube type, and 5m for Type B sensors.
Max. cable
Size Impedance
length
1900m 100Ω
2
1200m 100Ω
2
400m no regulation
2
200m no regulation
2
0.75mm
2sq
2
2
2
3, 4
5
6
Terminal Terminal
No. color
1AB BRN
2AB RED
3AB BLK
1AB PUR
2AB ORG
3AB YEL
4AB BLU
5AB GRY
6AB WHT
7AB GRN
Specific
Attenuation
resistance
22Ω/km
56Ω/km
132Ω/km
20Ω/km
Size
2 1200m (depends on operation environment)
1.25sq 0.9sq
2 2
2 2
3, 4 6, 7
5 8
6 10, 12
7, 8 －
Flow tube drive output
BRN/RED, GRN/WHT, BLU/GRY, PUR/ORG/YEL shielded wires
bundled
Temperature input (inner)
Temperature input (outer)
Temperature input
Right position pickoff sensor input
Left position pickoff sensor input
Association-
recommended
3dB/km ○
5dB/km ○
8dB/km ○
8dB/km ○
Max. cable length
0.75sq Remarks
2
FOUNDATION Fieldbus,
PROFIBUS PA Communication cable
2
6, 7
8
10, 12
－
Description
L -- 740 -- 28 -- E
OVAL-
recommended
○
○
1