Yokogawa

Duplexed Field Control Unit

For Vnet/IP and FIO, for 19-inch Rack Mountable
100–120 V AC power supply
220–240 V AC power supply
Basic type
LFS1500 Control Function for Field Control Station (for Vnet/IP and FIO)

ESB Bus Interface Slave Module

8, isolated
4 to 20 mA 
24 mA
270 Ω (20 mA) to 350 Ω (4 mA)

Current Input Module

16, isolated
4 to 20 mA 
270 Ω (20 mA) to 350 Ω (4 mA)
±16 µA 
230 mA (5 V DC), 540 mA (24 V DC)

Power Supply Module

Power Supply Module
Two modules in case of 
dual-redundant configuration.
Power supply to the I/O modules
and supply power to the transmitters
The power supply terminals use M4 screws

Power Supply Module

Input Voltage: 100-120V or 200-240V
Output Voltage: 24V
Output Current :5A
Power Output: Up to 120W
Operating Temperature: -10°C to +55°C
Storage Temperature: -20°C to +70°C

Advanced Valve Positioner

Linear or rotary motion control valve
±0.5% of span (including linkages)
0.3% of span *1
Digital: FOUNDATION fieldbus
Supply voltage: 9 to 32V DC
Supply current: 17 mA (max)
140 to 700 kPa (20 to 100 psi)
0.32 Nm3/h (0.178 SCFM) at 140 kPa (20 psi) of air supply
6.6 Nm3/h (4.1 SCFM) at 140 kPa (20 psi) of air supply 
-40 to 85 deg C (-40 to 185 deg F)

Digital Output Module

Number of outputs 16-channel, module isolation 
Output voltage 24 V DC
Output voltage drop 1 V maximum
External power supply rating 24 V DC, 3.4 A minimum
Maximum leak current at output off status 1.6 mA
Output format Current source
Minimum load current 35 mA
Load resistance range 120 to 685 Ω 
Output response time 30 ms maximum

Optical ESB Bus Repeater Module

Function: ESB Bus optical transport function
Connection method: Star type connection 
Chain type connection 
Available for both star and chain type connection.
Number of connecting stage: Maximum two
Transmission distance: Maximum 5 km (total two stages) 
In case of Vnet/IP system with the R1.03 or later, 
the total distance of two stagesis maximum 10 km.
Current consumption: 0.5 A

Optical ESB Bus Repeater Module

ESB Bus optical transport function
Connection method: 
Star type connection 
Chain type connection 
Available for both star and chain type connection.
Number of connecting stage: Maximum two
Transmission distance: Maximum 5 km (total two stages) 
In case of Vnet/IP system with the R1.03 or later, 
the total distance of two stagesis 
maximum 10 km.
Current consumption: 0.5 A

Optical ESB Bus Repeater Module

Product No. : SNT401-13
Product Type : Optical ESB Bus Repeater Master Module
1 - with no explosion protection
3 - ISA Standard G3 and temperature (-20 to 70°C)
CU1N - Connector unit for ESB Bus