Serial Input 6-Digit Panel Meter & Remote Display

With optional analog output & setpoint control output capabilities

remote display


  • Displays 6-digit numeric readings embedded in serial data strings
  • Available for Ethernet, USB, RS485, and RS232 inputs
  • User selectable protocol: Modbus RTU or ASCII, TDM ASCII
  • Optional 2 or 4 relays driven by received data
  • Optional isolated analog output driven by received data
  • Universal 85-264 Vac / 90-300 Vdc or 10-48 Vdc / 12-32 Vac power
  • Same appearance as 1/8 DIN panel meters and counters

Remote Displays (or Serial Input Meters) are slave displays which accept the RS232, RS485, USB or Ethernet data from computers, programmable controllers, instruments, or other devices with a serial data output. They can also provide relay closures and an analog output based on the received serial data. They blend in with 1/8 DIN digital panel meters, counters and timers to provide a numeric display from -999,999 to +999,999.

Data can be extracted from ASCII strings that contain multiple data values and non-numeric characters, such as Start and Stop characters. Any number of characters between the Start character and the data can be masked Off. Up to 8 display characters (including sign and decimal point) can be masked On. Any number of characters between the last displayed character and the Stop character can be masked Off.

meters, counters and timers allow their display to be duplicated by a Remote Display. Remote displays can also be used to display multiple parameters collected by the same counter. While the counter can only display one selected parameter at a time (such as rate A), it can transmit multiple parameters (such as rate A, rate B, ratio A/B and peak). The Remote Display can be set up to display any serially transmitted item, and an indicator light shows which item has been chosen for display.

A serial communications board is required in the Remote Display. Choices are RS232, RS485 with dual RJ11 connectors for daisy chaining, RS485 with dual RJ45 connectors for daisy chaining, USB, USB-to-RS485 converter, Ethernet, and Ethernet-to-RS485 converter. Three serial protocols are user-selectable: Modbus RTU, Modbus ASCII, and TDM ASCII. The Modbus protocol allows devices by different manufacturers to share the same data line, but the TDM protocol is simpler and is recommended when all devices on the line are s.

An optional isolated analog output board allows the Remote Display to serve as a highly accurate 16-bit digital-to-analog converter and transmitter.

An optional relay output board with 2 or 4 relays can add remote alarm or control capability. The relays can be 8A contact relays or opto-isolated 120 mA AC/DC solid state relays. The relays can respond to the transmitted values or to any of 8 serially transmitted control characters. The control characters can be generated by a meter, counter or timer, thereby assuring that the local and remote alarm points are identical.

Readout 6 LED digits, 7-segment, 14.2 mm (.56"), red or green.
Range -999999 to +999999
Indicators Four LED lamps
Voltage, standard 85-264 Vac or 90-300 Vdc
Voltage, optional 12-32 Vac or 10-48 Vdc
Frequency DC or 47-63 Hz
Power  consumption (typical, base meter) 1.2W @ 120 Vac, 1.5W @ 240 Vac, 1.3W @ 10 Vdc, 1.4W @ 20 Vdc, 1.55W @ 30 Vdc, 1.8W @ 40 Vdc, 2.15W @ 48 Vdc
Power Isolation 250V rms working, 2.3 kV rms per 1 min test
Serial Interface (one required)
Board selections Ethernet, Ethernet-to-RS485 converter, USB, USB-to-RS485 converter, RS485 (dual RJ11), RS485 (dual RJ45), RS232.
Protocols Modbus RTU, Modbus ASCII, TDM ASCII protocol
Data rates 300 to 19200 baud
Digital addresses 247 (Modbus), 31 (TDM ASCII),
Isolation 250V rms working, 2.3 kV rms per 1 min test
Analog Output (optional)
Output levels 4-20 mA, 0-20 mA, 0-10V, -10 to +10V
Current compliance 2 mA at 10V ( > 5 kΩ load)
Voltage compliance 12V at 20 mA (< 600Ω load)
Scaling Zero and full scale adjustable from -99999 to +99999
Resolution 16 bits (0.0015% of full scale)
Isolation 250V rms working, 2.3 kV rms per 1 min test
Relay Outputs (optional)
Relay types 2 Form C contact relays or 4 Form A contact relays (NO) 2 or 4 Form A, AC/DC solid state relays (NO)
Current Ratings 8A at 250 Vac or 24 Vdc for contact relays 120 mA at 140 Vac or 180 Vdc for solid state relays
Output common Isolated commons for dual relays or each pair of quad relays
Isolation 250V rms working, 2.3 kV rms per 1 min tes
Operating temperature 0°C to 55°C
Storage temperature. -40°C to 85°C
Relative humidity 95% at 40°C, non-condensing
Protection NEMA-4X (IP-65) when panel mounted
Duty Cycle & Pulse Width Modulation (PWM) Modes
Remote digital displays addressed on a single RS485 serial data line
Monitoring Laser OperationPM and Speed
digital indicator The display of a counter can be augmented by up to three slave displays to show up to four parameters simultaneously : Items #1, #2, #3 and peak rate (if rate was one of the selected items). All four parameters can also be displayed at a remote location.

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