Seneca S311D-L Series User manual

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INSTALLATION MANUAL
SENECA s.r.l.; Via Austria, 26 – 35127 – PADOVA – ITALY; Tel. [phone] - Fax [phone]
WARNING: The full content of this manual must be read before any operation. The module must only be used by
qualied electricians. Specic documentation is available via QR-CODE shown on page 1.
Electrical and electronic waste disposal (applicable in the European Union and other countries with recycling).
The symbol on the product or its packaging shows the product must be surrendered to a collection centre
authorized to recycle electrical and electronic waste.
The module must be repaired and damaged parts replaced by the Manufacturer. The product is sensitive to
electrostatic discharges. Take appropriate measures during any operation.
PRELIMINARY WARNINGS
The word WARNING preceded by the symbol indicates conditions or actions that put the user's safety at risk.
The word ATTENTION preceded by the symbol indicates conditions or actions that might damage the
instrument or the connected equipment. The warranty shall become null and void in the event of improper use or
tampering with the module or devices supplied by the manufacturer as necessary for its correct operation, and if
the instructions contained in this manual are not followed.
CONTACT INFORMATION
Technical support [email protected] Product information [email protected]
This document is the property of SENECA srl. Copies and reproduction are prohibited unless authorised.
The content of this document corresponds to the described products and technologies.
Stated data may be modied or supplemented for technical and/or sales purposes.
DOCUMENTATION
Série S311D-XX-L / S311D-XX-H

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MODULE LAYOUT
Weight: 170 g; Enclosure: Self-extinguishing PC/ABS material, black.

96 mm 98 mm
48 mm
BUTTON POSITION
4-6-8-11-DIGIT DISPLAY
A1: Alarm 1 LED
A2: Alarm 2 LED
OK/MENU KEY
UP KEY
DOWN KEY
OPERATION DESCRIPTION
The measurement of the digital input frequency or the totalizer value is translated into an analogue or digital output signal.
The frequency value or alternatively the totalizer value can also be viewed via the display; in the 11-digit model (4 + 7) both
values can be displayed simultaneously (4 digits: frequency value, 7 digits: totalizer value). The values are also available
via MODBUS-RTU protocol from the RS485 port (via optional board).
Setting mode:
All the parameters of the instrument can be set via the Programming Menu or RS485 (via optional board). The alarm
thresholds can also be set quickly via the specic Quick Alarm Menu. The dedicated Easy Setup software for programming/
conguring the module was also developed (see www.seneca.it).
Retransmission mode:
The instrument accepts the following retransmission modes:
Analogue output: The measurement of the frequency of the digital input is translated into an analogue output signal
(current or voltage).
Digital output: The output generates an impulse every time the totalization is increased or decreased. A pulse of duration
≥ ~ 100 ms is generated. The output follows the totalizer up to the maximum value of approximately 4.7 Hz. As the counting
frequency increases (up to the maximum value shown above), pulses are gradually lost until an output is obtained always at
a low logic level. The output is normally high.

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TECHNICAL SPECIFICATIONS
STANDARDS
EN61000-6-4 Electromagnetic emissions, industrial environment.
EN61000-6-2 Electromagnetic immunity, industrial environment.
EN61010-1 Safety
Install a fuse with a maximum capacity of 1 A near the module.
ENVIRONMENTAL
CONDITIONS
Temperature: -10 ÷ + 65°C
Humidity: 30% ÷ 90% non condensing.
Storage temperature: -20 + 85°
Protection rating: IP65 (on the front with appropriate gasket)
INSULATION 2500 Vdc between each pair of ports (including those belonging to the optional board)
POWER SUPPLY S311D-XX-L: 10 ÷ 40 Vdc, 19 ÷ 28 Vac, 50 ÷ 60 Hz, max. 3 W
S311D-XX-H: 85 ÷ 265 Vac, 50 ÷ 60 Hz, max. 3 W
CONNECTIONS Removable screw terminals, 3.5 mm/5.08 mm pitch
DIGITAL
INPUT
Type: Reed, Npn (2 wires), npn 24 V (3 wires) or pnp 24 V (3 wires), NAMUR, Photoelectric
(Astra), Hall, 24 V input, TTL, Variable reluctance.
Absorbed current: max. 7 mA
Vmax.: 28 Vdc
Sensor power supply: 17 Vdc
Frequency band: 0.00014 Hz ÷ 10 kHz
Frequency resolution: < 0.05 %
ANALOGUE
OUTPUT
Applied current: 0 ÷ 20 mA, max. load resistance 500 W
Voltage: 0 ÷ 10 V, min. load resistance 1 kW
Congurable start and end of scale
Resolution: 2 mA / 1 mV
Response time: 5 ms
Maximum measurement eld errors:
Calibration error: 0.1%
Thermal coefcient: 0.01%/°K
Linearity error: 0.05%
EMI (electromagnetic interference): < 1%
DIGITAL OUTPUT Open Collector type, Imax: 50 mA, Vmax: 30 V
RELAY OUTPUT Capacity: 8 A / 250 Vac (available only on optional board)
AUX. DIGITAL INPUT Optoinsulated, Vmin: 10 V, Vmax: 30 V (available only on optional board)

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Alarms on frequency or totalizer measurement (optional board):
Two alarms can be activated on the measurement of the frequency of the digital input signal or on the totalizer threshold
values, each of which, if enabled, can be congured as follows:
1. Alarm on the minimum threshold.
2. Alarm on the maximum threshold.
3. Alarm on the minimum held threshold (does not automatically reset).
4. Alarm on the maximum held threshold (does not automatically reset).
5. Alarm on the totalizer threshold value (does not reset automatically).
For each alarm it is possible to set threshold and hysteresis. For the totalizer alarm, the hysteresis is not considered. If the
alarm is maximum the reset value is Threshold-Hysteresis, if it is minimum the reset value is Threshold + Hysteresis. The
status of the alarms can be viewed via the two LEDs on the front panel and from the relays (if the optional board is used).
The relays switch status when the alarm occurs and return to the initial state when it is reset (if held). The alarms held are
reset in normal operation by pressing the UP + OK/MENU keys for a few seconds. For the totalizer alarm, the alarms are
reset by pressing the UP+DOWN+ OK/MENU keys, via MODBUS or from the auxiliary digital input.
Totalizer
As an alternative to measuring the frequency of the digital input signal, it is possible to view the value of the associated
totalizer (saved in non-volatile memory). Both values are available simultaneously in the 11-digit indicators (4+7).
The totalizer can be:
Increasing: it is increased by one unit at each rising edge of the digital input.
- Decreasing: it is decreased by one unit at each rising edge of the digital input.
Once the maximum or minimum limit is reached, counting restarts from zero.
It is also possible to set a reduction ratio by which to divide the totalizer value; the resulting value will then be displayed.
Reset can also take place in the following three ways:
- From auxiliary digital input (if enabled).
- By pressing the three keys simultaneously (if enabled).
- Via Modbus register.
Display of frequency measurement value or totalized value
Three types of operation can be set (except for the 11-digit models that display both the frequency value and the totalizer
value together) that dene the display modes:
1. Type 0: both frequency value and totalizer value display. Pressing UP for a few seconds you access the frequency
display, pressing DOWN for a few seconds displays the totalized value. When passing to the frequency value for a few
seconds the writing  appears, passing to the totalized value the writing  appears for a few seconds.
2. Type 1: frequency measurement display only.
3. Type 2: totalizer display only
Average and frequency measurement ltering
The frequency value can be averaged over a settable number of samples. The average value is then ltered through the
20-level exponential lter and then shown on the display.
VLF Mode
If the full scale in Hz for measuring the frequency (HI-F) ≤ 1 Hz the instrument goes to Very Low Frequency Mode (VLF)
thanks to which the minimum detectable frequency value is equal to 0.00015 Hz (1 pulse every 111 minutes).
Password to access the menu
It is possible to enable password protection from the Programming Menu. The Quick Alarm Menu is always free of
passwords.

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ELECTRICAL CONNECTIONS
07
08
09
10
POWER SUPPLY
1
2A
10 ÷ 40 Vdc
19 ÷ 28 Vac
3.0 W
1
2B
85 ÷ 265 Vac
3.0 W
S311D-XX-L S311D-XX-H
DIGITAL INPUT
REED
07
08
09
10
NPN (2 WIRES)
+
-
07
08
09
10
NPN 24 V (3 WIRES)
+
-
S07
08
09
10
PNP 24 V (3 WIRES)
+
-
S
07
08
09
10
NAMUR
+
-
PHOTOELECTRIC
07
08
09
10
1K
External R.
White
Brown
Green
07
08
09
10
+
-
S
HALL
07
08
09
10
24 V INPUT
+
07
08
09
10
TTL INPUT
+
07
08
09
10
VARIABLE
RELUCTANCE
V
ANALOGUE OUTPUT
V > 100 mV
The internal power supply for the sensors, equal to 17 Vdc, is available at terminals 7 (+) and 10 (-).
03
04
05
06
VOLTAGE
+V03
04
05
06
APPLIED
CURRENT
+A
Active output: already powered to
be connected to passive inputs
03
04
05
06
EXTERNAL
POWER SUPPLY
+
Passive output: not powered to be
connected to active inputs.
DIGITAL OUTPUT
03
04
05
06
+I
OPTIONAL BOARD CONNECTIONS
+
-
R
I max: V / R = 50 mA
I
21
20
19
RS485
B
A
GND
RELAY OUTPUT 1
8 A / 250 Vdc
13
12
11
N.C.
N.O.
Com
RELAY OUTPUT 2
8 A / 250 Vdc
16
15
14
N.C.
N.O.
Com
18 D-
17 D+
Auxiliary input:
Totalizer reset
(external power supply)
+
I
24 V
V ext
Example:
Totalizer reset with power
supplied entirely by the
module
17
07
10
18

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MENU PARAMETERS
PARAMETERS TO SET FROM THE MENU: C..n.F
Parameter code Parameter name SETTING RANGE AND DESCRIPTION DEFAULT VALUE
FUNC Type of instrument
operation
0 = frequency and totalizer display function.
1 = only frequency measurement display function.
2 = only totalizer display function.
0 = Instant. and
Totaliz.
RE
Enables panel totalizer
reset and auxiliary
digital input
0 = totalizer reset from panel and auxiliary digital input enabled.
1 = totalizer reset from panel and auxiliary digital input disabled. 0 = Enables
PA Password enabling for
menu access
By setting a value other than 5477, the password will be requested when
starting the menu (always 5477).
5477 = Password
disabled
PARAMETERS TO SET FROM THE MENU: .n.P.t.
type Input type
1= Reed 6= Photoelectric (ASTRA)
2= npn 2 wires 7= HALL
3= npn 24 V (3 wires) 8= 24 V input
4= pnp 24 V (3 wires) 9= TTL input
5= NAMUR 10= Variable reluctance
3 = npn 24 V (3
wires)
H-f Full scale (Hz)
Full scale in Hz to measure frequency. It also denes the frequency value
associated with the H-D parameter.
Settable values
The decimal point is imposed by DPN.
Minimum value: 0,
Max value depending on the display:
4 / 11 (4+7) digits: 9999 (without decimal point). 6 / 8 digits: 10000 (without
decimal point).
1000 Hz
dpn Position of decimal
point in H-F
0 = no decimal point (e.g. 00009999),
1 = rst digit (e.g. 0000999.9)
2 = second decimal point (e.g. 000099.99)
3 = third decimal point (e.g. 00009.999),
4 = fourth decimal digit (e.g. 0000.9999, only for 6 and 8 digit models).
0 = Decimal point
absent
PARAMETERS TO SET FROM THE MENU: s.C.a.L
L-d
Start of the scales
displaying frequency
measurement
Frequency value displayed if the measured frequency is 0. Values within
the limits see: TABLE1. 0
H-d
Full scales
displaying frequency
measurement
Displayed frequency value if the measured frequency is H-f.
Value within the limits see: TABLE1. 1000
dp_D Frequency display
decimal point position
0 = no decimal point (ex. 12345678),
1 = rst digit (e.g. 1234567.8) ... ...
N digits display-1
For 11-digit models (4+7): max number of decimal places equal to 3
0 = Decimal point
absent
FLt Filter level 0= no lter 1 - 20 3
Au
Number of samples on
which to average the
frequency value
Selectable values: 1 -10. 1
FREQUENCY MEASUREMENT LIMITS: TOTALIZER LIMITS
DISPLAY DIGITS MIN. LIMIT MAX. LIMIT MIN. LIMIT MAX. LIMIT
4-1999 9999 0 9999
6-199999 999999 0 999999
8-19999999 99999999 0 99999999
11 (4+7) -1999 9999999 0 9999999

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PARAMETERS TO SET FROM THE MENU: A.L.. . anda.L.2. .
Parameters related to alarm 1: accessible from menu a.L.. . and identied by nal index 1.
Parameters related to alarm 2: accessible from menu A.L.. . and identied by nal index 2.
Parameter code Parameter name SETTING RANGE AND DESCRIPTION DEFAULT VALUE
et1 Threshold for alarm 1. If frequency meter then frequency value shown on the display (decimal
point imposed by d_Pd). Settable values between the limits of TABLE 1.
If totalizer then totalizer value shown on the display. Settable values
between the limits of TABLE 2.
500
set2 Threshold for alarm 1. 100
HY1 Hysteresis for alarm 1. Hysteresis has no effect on the totalizer alarms.
Settable values between the limits of TABLE 1
10
HY2 Hysteresis for alarm 2. 10
tYp1 Alarm 1 type
0 = Alarm not active
1 = Alarm on the minimum threshold
2 = Alarm on the maximum threshold
3 = Alarm on the minimum held threshold (does not automatically reset)
4 = Alarm on the maximum held threshold (does not automatically reset).
5 = Alarm on the totalizer threshold value. (does not automatically reset)
0: Al 1 not active
tYp2 Alarm 2 type 0: Al 2 not active
rLY1 Relay 1: N.O. or N.C. Relay operation:
0 = relay normally open (N.O.)
1 = relay normally closed (N.C.).
0: N.O.
rLY2 Relay 2: N.O. or N.C. 0: N.O.
PARAMETERS TO SET FROM THE MENU: .U.t. .
L-t
Frequency display
value associated with
the minimum output
value Limits for scaling the retransmitted output see TABLE1.
Decimal point imposed by dP-d.
0
H-t
Frequency display
value associated with
the maximum output
value
1000
tYpe Type of retransmitted
output
1= 0 ÷ 10 V 2= 4 ÷ 20 mA
3= 0 ÷ 20 mA 4= Totalizer digital output 2 = 4 ÷ 20 mA
PARAMETERS TO SET FROM THE MENU: b.U.. .
Addr MODBUS Address Settable values: from 1 to 255. 1
PAr Parity control type 0= None 1= Even 2= Odd 0 = None
dEL Delayed response
time
Number of pauses of 6 characters each between the end of the Rx
message and the beginning of the Tx. Settable values: 0 – 255. 0 = No delay
baUd Serial communication
speed
Serial communication speed in baud:
0= 1200 4= 14400
1= 2400 5= 19200
2= 4800 6= 38400
3= 9600 7= 57600
6 = 38400
PARAMETERS TO SET FROM THE MENU: .Y.. .
CN Display contrast Values from 1 (minimum contrast) to 20 (maximum) 10
UPDN
Totalizer type:
Increasing or
decreasing
0 = The totalizer increases by one unit at each rising edge of the digital input.
1 = The totalizer decreases by one unit at each rising edge of the digital input.
0 = UP
DFL Default settings 1 = Overwrites the set parameters with the default values.

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Access to the programming menu. Access to the Quick Alarm Menu
If FunC=0 has been set, it switches to the frequency
display (except 11-digit model)
If FunC=0 has been set, it switches to the totalizer
display (except for the 11-digit model)
Held alarm reset Totalizer reset (if this function has been enabled by
setting rER=0 and reset of the alarms on the totalizer
PARAMETERS TO SET FROM THE MENU: t..t. .
Parameter code Parameter name SETTING RANGE AND DESCRIPTION DEFAULT VALUE
rAt Totalizer ratio Sets a value by which to divide the totalizer. Permitted values:
1- 9999. 1
dP_t Decimal point position
in the totalizer display
0 = no decimal point (e.g. 123456)
1 = rst digit (e.g. 12345.6)
2 = second digit (e.g. 1234.56)
......
N digits display - 1
For 11-digit models (4+7): max number of decimal places equal to 6.
0: No decimal point
e.H..t
Conrming with OK/MENU you save all parameters on a ash card and, after a few moments, reset the module.
SUMMARY OF BUTTON ACTIONS (in display mode)
Below is a summary of the actions that can be performed from the button starting from the display phase (not
programming). In order for the actions to be carried out, the pressure on the buttons must last a few seconds.
ERROR REPORTING
Any errors are also shown directly on the display.
Below are the possible warnings with their meaning.
nnnn: Frequency measurement value to be displayed > Hi-d value by 2.5% or if the frequency measurement value to be displayed
is > maximum that can be displayed.
EErr: It can signal an error of the calibration memory at startup.
The operation of the instrument is blocked while ModBus communication is available (if optional board).
ORDER CODES
CODE DESCRIPTION
MODEL: S311 Indicator - totalizer with universal digital input.
DISPLAY
44 digits
66 digits
88 digits
11 4 + 7 digits
POWER SUPPLY
H85 ÷ 265 Vac
L10 ÷ 40 Vdc, 19 ÷ 28 Vac
OPTIONS OOptional board: RS485 Modbus port, 2 relay alarms and auxiliary digital input.
Insulation: 1500 Vac between each port.
TCalibration and conguration service

C.O.n.F.I.N.p.T
FunC tyPE LO-d Set1 Set2 Set2
IrES HI-d Hys1 Hys2
S.C.A.L.A.L.1.A.L.2.E.X.I.T
Change
FUNC
Change
type
Cange
LO-d
Change
SeT1
Change
SeT2
Change
LO-t
Change
Addr
Change
CONT
Change
rATI
Change
dp_T
Change
UPdn
Chande
DFLT
Change
PAR
Change
dEL
Change
bAUD
Change
HI-t
Change
type
Change
HYS2
Change
tyP2
Change
RLY2
Change
HYS1
Change
tyP1
Change
rLy1
Change
HI-d
Change
dp_d
Change
FILT
Change
AVI
Change
HI-F
Change
DPIN
Change
IrES
Change
PASS
PASS
HI-F
dp_D
FILt
FAHR
FAHR FAHR
AVI
Typ1 Typ2
FAHR FAHR
RLy1 RLy2
O.u.t. .
LO-t
HI-t
type
B.U.S. .
ADDR
PAR
DEL
BAUD
S.Y.S. .
COnt
UPDN
DFLT
T.o.T..
RatI
C.o.n.F.
Back to
E
.X.I.T.
dPIn
dP_T
Back to
EN: Programming menù diagram - IT: Schema menù di programmazione - ES: Esquema menù de programación - FR: Schéme de programmation - DE: ProgrammiermenÜ-Diagramm
09940
996 09960
99
6-
996
09950
986Ú1 996
09960
99
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996
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