ABB ControlMaster Series - Page 84

Wall-/Pipe-Mount Level Indicator
L160
DS/L160–EN Rev. F
4
Specification
Operation
Display
High-intensity, 7-segment, 1 x 5-digit LED display
Three alarm LED indicators
Display range –9999 to +99999
Display resolution ±1 digit
Display height 14mm (0.56 in.)
Configuration
User-defined via front panel
Standard Functions
Alarms
Number Three user-defined
Types High/Low process
High/Low latch
Fast/Slow rate
Alarm hysteresis
0 to 100% of range
Math functions
Maximum and minimum value detection
Average level
SG correction
Tank volume calculation
20-breakpoint custom linearizer (factory configured)
Analog Inputs
Input type
1 to 10 mA, 4 to 20 mA or customize via PC Configurator
Input sampling rate
250ms
Accuracy
Indicator 0.2% of reading
Output <0.2% of span
Sensor power supply
24V, 30mA max. powers one 2-wire transmitter
± 3V, 15mA (power for P851/P861 sensors)*
*Option board
Outputs – Standard Build
Retransmission
Analog, configurable in the range 4 to 20mA
Max. load 15V (750Ω at 20mA)
Isolation 500V DC from sensor input
(not isolated from logic output)
Logic output
18V DC at 20mA
Min. load 400Ω
Isolation 500V from sensor input
(not isolated from retransmission output)
Relay output
Two relays as standard (SPDT) 5A at 115/230V AC, 5A at 24V DC
Assignable to alarms
Options
One build can be selected from:
Type 01 Two relays + retransmission + logic output +
digital input (Standard Build)
Type 02 Three relays + retransmission + logic output +
digital input
Type 03 Two relays + retransmission + logic output +
digital input + Modbus
Type 04 Two relays + logic output + retransmission +
P851/P861 power supply
I/O
Relay output
SPDT 5A at 115/230V AC
Assignable to alarms
Digital input
Type Volt-free
Minimum pulse 250ms
Modbus serial communications
Connections RS422/RS485, 2- or 4-wire
Speed 2.4k or 9.6k baud rate
Protocol Modbus RTU slave