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MRLDS Dimensions

MRLDS Analog Version (809-100x)

 • 

3

2.2

MRLDS Dimensions

3

MRLDS Analog 

Version (809-100x)

3.1

Network Layout

3.2

MRLDS Wiring

For analog MRLDS units, connect to a MultiFlex 

board via the analog input (use Belden 8761 cable). 

Figure 2-2

 - Attaching and Removing Cover

Figure 2-3

 - MRLDS Mounting Dimensions

Figure 3-1

 - Analog MRLDS Network Layout Example

Figure 3-2

 - Analog MRLDS Wiring

E2

MRLDS Units

I/O Net

MultiFlex Board

To

 O

th

er

I/O

 N

et 

De

vic

es

ANALOG MRLDS - 
INSIDE LOWER PORTION 
             OF BASE

MULTIFLEX BOARD - 
LOWER RIGHT CORNER

INPUT 13

INPUT 14

INPUT 15

INPUT 16

1

2

3

4

5

6

7

8

0V

SIG

0V

SIG

SIG

SIG

0V

0V

A

C

N

 

2

4

V

A

C

G

A

S

(+

)

O

U

T

(V

)

TO 24VAC, 10VA
CLASS 2 POWER 
SUPPLY

Analog MRLDS
to MultiFlex

A transformer must

 be shared 

between MRLDS 
and the MultiFlex 
board. A 

 must

be used.

If a transformer is
shared between 
MRLDS units, 
the “ACN” of 
each MRLDS 
must be wired 
to the same 
phase of the 
transformer.

never

separate

transformer

S

IG

0V

G

ro

u

n

d

O

U

T

(V

)

G

ro

u

n

d

EARTH SHIELD 
NEAR THE MULTIFLEX 
BOARD.  

CONNECT

THE SHIELD TO THE 0V INPUT
ON THE MULTIFLEX BOARD.

DO NOT

Wire MultiFlex SIG to MRLDS OUT(V).
Wire MultiFlex 0V to MRLDS Ground (     ).

BELDEN 
   8761

BELDEN 
   8761

Содержание MRLDS

Страница 1: ...026 1307 Rev 1 11 30 07 Modular Refrigerant Leak Detection Sensor MRLDS Installation and Operation Manual ...

Страница 2: ......

Страница 3: ...y of such damages In the interest of continued product development Com puter Process Controls Inc reserves the right to make improvements to this manual and the products described herein at any time without notice or obligation Computer Process Controls Inc products may be covered by one or more of the fol lowing Computer Process Controls U S patents 6360553 6449968 6378315 6502409 6779918 and Com...

Страница 4: ......

Страница 5: ...THE SENSOR 2 2 2 MRLDS DIMENSIONS 3 3 MRLDS ANALOG VERSION 809 100X 3 3 1 NETWORK LAYOUT 3 3 2 MRLDS WIRING 3 3 3 REFRIGERANT JUMPER SETTINGS 4 3 4 CONTROLLER SETUP FOR ANALOG MRLDS 4 4 MRLDS MODBUS VERSION 809 101X 5 4 1 NETWORK LAYOUT 5 4 2 MRLDS SETUP 5 4 3 MRLDS GATEWAY 7 4 4 CONTROLLER SETUP FOR MODBUS MRLDS 11 5 DIAGNOSTICS 14 5 1 MRLDS LED INDICATORS 14 5 2 E2 ALARMING 14 ...

Страница 6: ......

Страница 7: ...ess than 2 7 watts Output Options 1 5V 10 K Ohm load RS485 Modbus RTU Operating Temp 32 to 149 F 22 to 149 F with de icer 0 to 65 C 30 to 65 C with de icer Humidity 0 to 99 non condensing Size 4 5 x 3 5 x 1 6 Weight 35 lbs 160 g Pollution Degree 2 Installation Cate gory II Range 0 to 1000 ppm Minimum Detec tion 25 ppm Pressure Operating 10 2 to 15 7 PSIA Repeatability 10 ppm at 50 ppm Linearity 10...

Страница 8: ...t The base has a number of openings to allow for mounting to various junction boxes 2 Feed the power and signal wires through the rect angular opening in the base Figure 1 1 3 Connect the wires to the terminal connector located in the base as indicated in Figure 4 2 and Figure 3 2 4 The Modbus MRLDS must be connected to earth ground Connect earth ground to the MRLDS ground terminal labeled Connect...

Страница 9: ...DE LOWER PORTION OF BASE MULTIFLEX BOARD LOWER RIGHT CORNER INPUT 13 INPUT 14 INPUT 15 INPUT 16 1 2 3 4 5 6 7 8 0V SIG 0V SIG SIG SIG 0V 0V ACN 24VAC GAS OUT V TO 24VAC 10VA CLASS 2 POWER SUPPLY Analog MRLDS to MultiFlex A transformer must be shared between MRLDS and the MultiFlex board A must be used If a transformer is shared between MRLDS units the ACN of each MRLDS must be wired to the same ph...

Страница 10: ...configured and powered correctly a value will be visible under the Value column on the Input Status screen 3 4 2 Einstein E2 Controllers Prior to Version 2 5 For Einstein and E2 controllers prior to version 2 5 follow the steps below set the sensor type to Linear and manually enter the parameters 1 Log into the E2 controller 2 Press the Menu button to open the Main Menu 3 Select 7 System Configura...

Страница 11: ... 4 1 specifications Figure 3 4 Analog Input Screen Settings Example for E2 Figure 4 1 Network Layout Example E2 Gateway MRLDS MRLDS MRLDS MRLDS I O Net MODBUS Up to 12 MRLDS units on the network per Gateway Figure 4 2 Modbus MRLDS Wiring Figure 4 3 MRLDS Jumpers Inside Lower Portion of Cover RS 485 RS 485 ACN 24VAC MRLDS INSIDE LOWER PORTION OF BASE EARTH GND Shield drain ground wire MODBUS NETWOR...

Страница 12: ...termination block is not necessary for terminating When the device is located at the end of a daisy chain jumper JP6 for termination 4 2 6 Modbus Output See Table 4 3 below for Modbus registers in the MRLDS Unit Baud rate 19 200 each byte is 8 eight Modbus Address Jumper Settings J5 J4 J3 100 No jumpers installed 101 102 103 104 105 106 107 108 109 110 111 Table 4 1 MRLDS Modbus Address Jumper Set...

Страница 13: ...ith a site controller as a 16AI or as an IRLDS If the site controller is an Einstein or E2 it is recommended to interface them as an IRLDS Multiple Gateways can be used each with up to 12 connected MRLDS units 4 3 3 The Gateway Board Register Name PDU Address Logical Address Range Fault and Module State 0x0000 1 UnderRange 2 msb Under Volt age 8 msb Temperature 10 msb Lamp Fail 40 msb Test Mode 80...

Страница 14: ...e Gateway will be installed on the RS485 I O Network for RMCC BEC BCU and other REFLECS products the Gateway will be installed on the COM A or COM D network 4 3 6 Wire Connections Using shielded three conductor network cable Belden 8641 or equivalent connect the RS485 I O Network wire to the three terminal connector on the Gateway board as shown in Figure 4 9 For further information about how RS48...

Страница 15: ...way the Modbus jumpers should always be terminated on the Gateway set the receiver bus jumpers to the RIGHT position Figure 4 11 4 3 8 Gateway Board I O Net Addressing Set the address on the I O Network with switches 1 4 There can be more than one MRLDS Gateway with each supporting up to 12 MRLDS units Switch 5 indicates whether the MRLDS will be mapped as an IRLDS or 16AI Set switch 5 to the OFF ...

Страница 16: ... see status setup and firmware version information To select press the right arrow until it appears next to SELECT and press 1 2 or 3 in the list Press the down arrow twice to move to the desired screen 4 3 10 3 Status Screen 1 The Status screen displays general status informa tion about the MRLDS such as device numbering count information gas concentration in ppm the type of refrig erant gas bein...

Страница 17: ...trollers and add the desired number of MRLDS Gate ways as IRLDS under I O Net Devices Up to 12 units can be connected to each Gateway 6 Press the J Back button and select 1 Online Status Alt N to check the status 7 Go into the IRLDS application under General Setup and add the number of MRLDS units Num Channels field connected to the Gateway 4 4 2 Designating MRLDS as a 16AI Board 1 Log in to the E...

Страница 18: ...times will get you to the input list of SENS01 48 Bd board is the address of the Gateway Pt point is the zone and allows you to define where the sensor input comes from The board number for the IRLDS II setup is the address of the Gateway If there are three or less IRLDS II control lers connected to a Gateway the Gateway address the IRLDS II address However if there are more than three IRLDS contr...

Страница 19: ...ensor inputs must be configured as linear sensors Name A name for the sensor input may be entered in the Name field Since each IRLDS zone is set up with two REFLECS sensor inputs choose names for each input that distinguish the input s function For example the sensor input set up to read leak concentrations on zone 1 should have a name like REFR LK ZN 01 and the input set up to monitor fault sta t...

Страница 20: ...nt before the REFLECS may generate a leak alarm When choosing an alarm delay keep in mind the amount of time it takes an IRLDS to complete a sampling cycle For example a 16 valve IRLDS with 30 second sam pling times for each zone takes a total of eight minutes to sample all zones Choosing an alarm delay smaller than the IRLDS s cycle time will cause an alarm to be generated af ter only one high re...

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