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Microsoft word - 81te002 ds216 system description 010902.doc

DS216: SYSTEM DESCRIPTION.
Publication No. 81TE002 September , the 1st 2002
8 INPUTS I1 to I8
RELAYS 1 and 2
The DS216 board may control up to 16 inputs (analog or digital) and 4 relays.
Each of these inputs/outputs, how they operate, when and how they have to raise an alarm, etc. isprogrammed via the centralised PC to which the DS216 is connected. Therefore, refer to the PC softwareUser Manual for details of the inputs/outputs functionning.
In this document, the Messages described belong to the DDS Communication Protocol 4. See PublicationNo. 08TE002 for details about this protocol. The messages recognised by the DS216 are : Mess 01, Mess 05,Mess 06, Mess 07, Mess 08, Mess 09, Mess 0B, Mess 10, Mess 11, Mess 12, Mess 13, Mess 31, Mess 32,Mess 34, Mess 35, Mess 40, Mess 41, Mess 42, Mess 46, Mess 4B, Mess 4C, Mess 55, Mess 71, Mess 72,Mess 73, Mess 74, Mess 75, Mess 76, Mess 77, Mess 78, Mess 79, Mess 7F, Mess 60/70.
1. POWER 0V/12VDC: J1
Connect a 10VDC to 14VDC / 0,2A non-regulated Power supply to J1.
2. RS485 BUS: J3
This RS485 bus must be connected to the RS232/RS485 line driver, which in turn is connected to the PC
serial port.
Connect all the « H » together and all the « L » together. Use only a bus structure and not a star structure.
Use a Shielded twisted pair 22 AWG. Max bus length: 1200 meters.
Note: The last DS216 of the bus MUST have a 120-ohm resistor between H and L if the bus lenght exceeds
200 m.
81TE002 Issue 1/09/2002 DS216: System Description Page 1/4 3. Board address: DS1/1 to DS1/5
The DS216 is connected to a PC via a RS485 bus. Because it is possible to connect up to 32 DS216 to this
bus, each one must have a specific address, from 00 to 31, set by dipswitches DS1/1 to DS1/5 as follows:
Address: 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 3 3 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 DS1/1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1DS1/2 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1DS1/3 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1DS1/4 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1DS1/5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 '0' Means that the corresponding switch is Off and '1' is On.
4. Outputs RL1 and RL4: J2 and J7
The four output relays can support max. 24V AC or DC/1 Amp. Each relay gets its own led, which lights on
when the relay is activated.
Relays are automatically activated either upon pre-defined input status (Local reflexes defined by Mess 11)
or within time intervalls (attributed through Event Weekly Programme in Mess 10 or Mess 40).
Note: It is possible to program the system so that a relay is activated when an alarm occurred while the
system is « off-line ». To do so, put value 01 in byte 1 of MESS 02 and the number of the relay to activate
(between 01 and 04) in byte 3 of MESS 02. (The other bytes of this message may stay 00)
The system switches to the « off-line » mode if during 25 seconds; no communication has been performed
with it. As soon as communication is back, the system switches back to the « on-line » mode, deactivates the
selected relay and sends to the PC the alarm(s) which occurred during the « off-line » mode.
5. Inputs I1 to I16: J4 and J6
Inputs I1 to I16 relate from 0 to 5vDC but may support MAXIMUM ± 30volts. They may operate in 4
modes as decribed hereunder.
Notes :
1- A new status of the input is recorded only if it last minimum 80 msec.
2- If noises greater than 4v ptp disturb the inputs, it is recommended to install a 1µF capacitor between the
input and 0v.
3- Mess 0B and 78 allow to read the 2 states of an input: open or closed. Mess 4B allows to read the 4 states
of an input. This Message allows also to read if the input is under alarm or not.
5.1 Mode 1 operation: Digital only. (DS1/6 or 7 off)
Operation:
This mode allows to control the two states, open or close, of a contact.
The input normal state (NO or NC) is defined by Mess 10, byte 1 bit 7 or Mess 40, byte 2 bit 5.
Mode selection: Inputs I1 to I8 operate in this mode 1 when jumper DS1/6 is OFF and inputs I9 to I16 when
DS1/7 is OFF.
Sending the alarm: Mess 60/70 byte 8 bits 3,2,0=001/000 for start/end of alarm.
local reflex : If a local reflex is attached to the input (defined via Message 11), it will be activated as soon as
the input goes from its normal state to its alarm state.
Led indication: If the contact is opened, the corresponding Li led is on, if the contact is closed, the led is off.
Input connection:
5.2 Mode 2 operation: Line control (DS1/6 or 7 on) without sending line alarms
81TE002 Issue 1/09/2002 DS216: System Description Page 2/4 Operation: This mode allows to control a contact and the line from the contact to the DS216. This mode
may control the 4 following states: Contact under alarm or not, line cut or short.
The input normal state (NO or NC) is defined by Mess 10, byte 1 bit 7 or Mess 40, byte 2 bit 5.
Mode selection : Inputs I1 to I8 operate in this mode 2 when jumper DS1/6 is ON and inputs I9 to I16 when
DS1/7 is ON. In addition, the input must be programmed as digital, i.e. either by Mess 10 or by Mess 40
with bit 6 of byte 2 reset and bit 2 of byte 8 reset.
Sending the alarm: While the DS216, in this mode, recognises 4 states, it will send only two states to the
PC in Mess 60/70:
Byte 8/bit 3,2,0=001: start of alarm: either the contact is under alarm, or the line is cut or short.
Byte 8/bit 3,2,0=000: end of alarm: the contact and the line are in their normal state.
Time zones: If a time zone is attributed to the input (defined by Mess 06 or 46 and 12 and attributed to the
input by Mess 10 or Mess 40), it will be relevant to the 4 states of the input.
Local reflex : If a local reflex is attached to the input (defined via Message 11), it will be activated only if
the sensor itself goes in its alarm state. The state of the line itself will not raise the reflex.
Led indication : the led is ‘off’ if the corresponding contact is closed, and ‘on’ in the contact is open or the
line cut or shorted.
Input connection :
5.3 Mode 3 operation: Line control (DS1/6 or 7 on) with sending line alarms
Operation:
This mode allows to control a contact and the line as per Mode 2 and in addition, sends to the PC
the 4 kinds of alarm.
The input normal state (NO or NC) is defined by Mess 40, byte 2 bit 5.
Mode selection : Inputs I1 to I8 operate in this mode 2 when jumper DS1/6 is ON and inputs I9 to I16 when
DS1/7 is ON. In addition, the input must be programmed as digital 4 states, i.e. by Mess 40 with bit 6 of byte
2 reset and bit 2 of byte 8 set.
Sending the alarm: The 4 states are sent to the PC in Mess 60/70 as follows:
Byte 8/bit 3,2,0=001: contact is under alarm, =010: line short, =011: line cut.
Byte 8/bit 3,2,0=000: end of alarm: the contact and the line are in their normal state.
Time zones: If a time zone is attributed to the input (defined by Mess 06 or 46 and 12 and attributed to the
input by Mess 40), it will be relevant only to the contact, the line being always (24h/24h) armed.
Local reflex : If a local reflex is attached to the input (defined via Message 11), it will be activated when the
status of the input is according to bit 5,6,7 or byte 3 of Mess 11.
Led indication : the led is ‘off’ if the corresponding contact is closed, and ‘on’ in the contact is open or the
line cut or shorted.
Input connection : As per Mode 2.
81TE002 Issue 1/09/2002 DS216: System Description Page 3/4 5.4 Mode 4 operation: Analog. (DS1/6 or 7 on)
Operation :
This mode allows to control four different levels of an input and sends an alarm to the PC as
soon as the input passes from one state to another one (See Fig. 5 below).
The normal state of the input is defined by Mess 40, byte 8 bits 1,2.
Mode selection : Inputs I1 to I8 operate in this mode 3 when jumper DS1/6 is ON and inputs I9 to I16 when
DS1/7 is ON. In addition, these inputs must be defined as ‘analog’ by setting bit 6 of byte 2 of Mess 40.
Sending the alarm: The 4 states are sent to the PC in Mess 60/70 as follows:
Byte 8/bit 3,2,0=100: State 1, =101: State 2, = 110: State 3, =111: State 4.
Time zones: If a time zone is attributed to the input (defined by Mess 06 or 46 and 12 and attributed to the
input by Mess 40), it will be relevant to the 4 states of the input. It is however possible to attribute a specific
Time zone for each state, by Mess 42.
Local reflex : If a local reflex is attached to the input (defined via Message 11), it will be activated when the
input goes to the state defined by the Mess 11 itself. (Bits 5-7 of byte 3)
Led indication : The corresponding led is ‘off’ if the input is in state 2, and ‘on’ in the 3 other states.
Input connection :
5.5 Mode 4 operation: test. (DS1/8 on)
When jumper DS1/8 is on, the system operates in its test mode : none alarm is sent to the PC and the system
displays, as soon as one of the input changes its value, the value of this input on leds 1-8 (in hexa format,
from 00 to hFF : ‘0’=led off, ‘1’= led on, led1 is the LSBit. The input value, in volts, is given by
multiplicating the hexadecimal value shown by the leds by 0,0196 volts.) and the number of this input (1 to
16) on leds 9-16. (in hexa format, from 00 to h10 : ‘0’=led off, ‘1’= led on, led9 is the LSBit )
Mode 1 - NO
Mode 1 - NC
Mode 2,3 - NO
Mode 2,3 - NC
End of Alarm
Contact open
End of Alarm
Contact open
End of Alarm
End of Alarm
Contact close
Contact close
Line short
Line short
Fig. 5 : Input and Alarm status in Modes 1,2,3 and 4
Notes:
1- Voltages 0v to 5v correspond to Hexa 00 to Hexa FF.
2- The 3 threshold V1, V2 and V3 which defined the 4 states are pre-defined by default to Hexa 66 (2,00v),
Hexa 93 (2,90v) and Hexa CC (4,00v) which correspond to the states defined by 4K7 resistors used in
Modes 2 and 3. These threshold values may however be changed through bytes 4,5 and 6 of Mess 40.
3- To operate with a 0-10v or a 4-20mA current loop sensor, a resistor must be added at the input connector.
(Contact your dealer).
81TE002 Issue 1/09/2002 DS216: System Description Page 4/4

Source: http://www.idme.biz/pdf/ac-dds-ds216_ins.pdf

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