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Seneca S312A-4-L-4R Manual

Advanced analog indicators 4-digits display with 4 relay outputs
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S312A-4-L-4R / S312A-4-H-4R Line
EN
Advanced Analog Indicators
4-Digits Display with 4 relay outputs
1. GENERAL SPECIFICATIONS
Universal input: voltage, current, thermocouples,, thermoresistors (2, 3 or 4 wires
measurements), potentiometer.
Programmable retransmission of the measured instantaneous value by the isolated
analog output (voltage or active/passive current).
Filter programmable at 20 levels to stabilise reading.
Temperature measurement displayable in Celsius or Fahrenheit degrees.
Cold junction compensation in case of thermocouple input.
4 Digits display.
Four alarms are activable on the instantaneous input value (alarm type: maximum,
minimum, automatically resettable or not).
Alarms status visible through four leds on the frontal panel.
Rs485 serial communication with MODBUS RTU protocol, maximum 32 nodes.
Four relay outputs for alarms signalling.
Easy navigation on the programming Menu by three buttons on the frontal panel.
Quick configuration of the alarm thresholds by the Quick Alarms Menu.
Disturbance Rejection at 50 and 60 Hz.
Display contrast settable.
Four relay output: default state for out3 and out4 are settable by internal jumper
2. TECHNICAL SPECIFICATIONS
Power Supply:
Voltage Input:
Current Input:
Thermoresistor Input
(RTD) PT100
Thermocouple Input:
Potentiometer Input:
Analog Output:
Code S312A-4-L-4R: 10-40 Vdc, 19-28 Vca 50-60 Hz, max 3 W.
Code S312A-4-H-4R: 85-265 Vac 50-60 Hz, max 3 W.
0..10 V, input impedance: 100 k
Resolution: 10000 points.
0..20 mA, input impedance 20
Resolution: 10000 points.
2, 3 or 4 wires measurement, excitation current: 1,1 mA,
resolution: 0,1 °C.
Temperature Range : -150 °C..650 °C.
Resistance Range: 20..350 . 
Type: J, K, R, S, T, B, E, N; resolution: 10 V Refer to the
TABLE: TC RANGE for the measurement range.
Excitation Current: 1,1 mA.
Potentiometer value from 1 k to 100 k
parallel resistor equal to 330 . 
Generated Current: 0..20 mA, max load resistance: 500 . 
Voltage: 0..10 V, min load resistance: 1 k
Configurable Start and Full scale values.
Resolution: 2 A / 1 mV.
MI00250 -E
3
 

to use always with a
ENGLISH - 1/21

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Summary of Contents for Seneca S312A-4-L-4R

  • Page 1 Four relay output: default state for out3 and out4 are settable by internal jumper 2. TECHNICAL SPECIFICATIONS Power Supply: Code S312A-4-L-4R: 10-40 Vdc, 19-28 Vca 50-60 Hz, max 3 W. Code S312A-4-H-4R: 85-265 Vac 50-60 Hz, max 3 W. 0..10 V, input impedance: 100 k...
  • Page 2 Relay output: Capacity:5 A / 250 Vac. Sampling Frequency: Fixed: 2 Hz. Response Time: 700 ms. Environmental Conditions: Temperature: -10..60°C, Humidity min: 30%, max 90% at 40°C non-condensing. Errors referred to max Calibration Thermal Linearity Others measuring range: Error Coefficient error Voltage/Current Input: 0,1%...
  • Page 3 Quick Alarm Menu . Besides the software has been developed for the programming and the configuration of the module (consult the web site www.seneca.it). 4.2 Retransmission Modalities The instrument allows the following retransmission modalities: Analog Output : The measured input value is translated into an analog output signal (voltage or current).
  • Page 4 DOWN OK/MENÙ Input Output Pow. Supply 6. ELECTRICAL CONNECTIONS POWER SUPPLY: Verify the code on the applied label . Code S312A-4-L-4R Code S312A-4-H-4R 10 ÷ 40 V 85 ÷ 265 V 3.0 W 3.0 W 19 ÷ 28 V CURRENT INPUT...
  • Page 5 ANALOG OUTPUT Voltage Generated Current Ext. Power Supply Current Active Output Unpowered (powered) to passive output to connect to be connected to passive inputs. active inputs RELAY OUTPUT Relay Output 1 (5 A/250 Vac) RS485 Relay Output 2 (5 A/250 Vac) N.C.
  • Page 6 Electrical Start Only for input type 1, 2 and 3. 4,00 (mA)  Scale Value Start scale in V (voltage input) or mA (current input) or % (potentiometer). It defines also the value of the input signal associated to the minimum value of view ( ...
  • Page 7 Parameters settable from Menues :    ....         Alarm 1 parameters: accessible from . . menu and identified by the final index 1. ...

  • Page 8: Mi00250 -E

       ..Parameters settable from Menu : Parameter Parameter Name Description and setting range Default Symbol Value Limits for the scaling of the retransmitted Instantaneous  output. Decimal point set by  display value Settable values on the following limits: associated to the minimum value of Display Digits...
  • Page 9 10..40 V / 19..28 V Output relay 4 output relay Options Calibration and configuration Service 10. MODBUS REGISTERS S312A-4-L-4R and S312A-4-H-4R lines indicators have MODBUS 16 bits (words) registers, accessible by RS485 serial communication. 10.1 Supported MODBUS Commands Code Function Description...
  • Page 10 10.2 Holding Registers The 16-bit Holding Registers have the following structure: Least significant bit Most significant Bit Bit Index 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Word (16 bits): MODBUS Register In the table the notation Bit [x:y] indicates all bits from x to y.

  • Page 11: Disabled

    DP/FILTER Decimal point position. 40006 Decimal point position: Bit [15:8] 0* = decimal point absent (ex. 1234) , 1 = first digit (ex 123.4), 2 = second digit, .., N display digits-1. For temperature measurements: 0: °C (°F) resolution, 1: °C/10 (°F/10) resolution. Bit [7:0] Set the filter level.

  • Page 12: English

    TYP_AL3/RLY3 40009 Sets the normal status of relay 3 and alarm 3 type. Set the Alarm 3 functioning: Bit [15:8] 0* = Alarm disabled 1 = Alarm on the minimum threshold 2 = Alarm on the maximum threshold 3 = Retained alarm on the minimum threshold (reset is not automatic) 4 = Retained alarm on the maximum threshold (reset is not automatic)

  • Page 13: English

    CONTRAST Display contrast 40013 Set the display contrast: values from 1 (minimum Bit [15:8] constrast) to 20 (maximum contrast). Default: 10. Bit [7:0] Not used Alarm 1 Threshold SET1 40014 Alarm 1 threshold: value referred to the view scale Bit [15:0] but without decimal point.
  • Page 14 Alarm 4 Threshold SET4 40020 Alarm 4 threshold: value referred to the view scale Bit [15:0] but without decimal point. For example if the value referred to the view scale is 20,0 sets 200. See HI_T for parameter limits. Default: 1000. HYS4 Alarm 4 Hysteresis 40021...
  • Page 15 Bit 1 1 : Fault on cold junction thermometer. 1: Calibration Eeprom damaged Bit 0 Contact Seneca srl to solve the problem. Measure in % if input is potentiometer (Floating 40060 FLOAT_REAL_MSW point format, most significant word). Measure in % if input is potentiometer (Floating...
  • Page 16 This document is property of SENECA srl. Duplication and reprodution are forbidden, if not authorized. Contents of the present documentation refers to products and technologies described in it. All technical data contained in the document may be modified without prior notice Content of this documentation is subject to periodical revision.
  • Page 17 11.1 11.2               11.3   MI002502-E...
  • Page 18   11.4 11.5 11.6 SYSTEM 11.7 DEFAULT SETTING MI002502-E...
  • Page 19 MI002502-E...
  • Page 20 MI002502-E...
  • Page 21           Alarm 3 Alarm 4   threshold threshold   Alarm 3 Alarm 4   Hysteresys Hysteresis     Alarm 4 Type Alarm 3 Type   Relay 3: ...

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S312a-4-h-4r