background image

 

(4) Change the value by using the UP/DOWN switches (“

U

” or “

V

”). When you are done, press the special 

command switch again, and the alternating display in the bottom right corner of the LCD display will 

become constant. The process is now finished. 

Default value

 

 

LCD 

Screen 

Indication 

The function 

to be set 

Remarks 

Toxic: 

CDS-7 

Combustible

: CHS-7 

Oxygen: 

COS-7 

Adjustable 

Range 

d1  ** 

Time delay 1 

Time delay (secs.) of the gas 
alarm contact (1st level) 

d1  0 

d1  0 

0 to 99 sec 

d2  ** 

Time delay 2 

Time delay (secs.) of the gas 
alarm contact (2nd level) 

d2  0 

d2  0 

0 to 99 sec 

az 

Analog output 
(base) 

(*For our maintenance purposes only) 

 

 

 

as 

Analog output 
(span) 

(*For our maintenance purposes only) 

 

 

 

zs  * 

Zero 
suppression, or 
21vol% 
suppression 

Displays the percentage of the full 
scale value (rounded to the 
percent) 

zs  5 

zs  2 

0 to 30% 

H-H 
L-L 
H-L 

Alarm mode 

1st: upper limit, 2nd : upper limit 
warning 
1st : lower limit, 2nd : lower limit 
warning 
1st : upper limit, 2nd: lower limit 
warning 

H-H L-L 

H-H 

L-L 

H-L 

Con  * 

Pyroletic 
converter 
failure alarm   

: Off    1: On 

Con  0 

Con  0 

0

 or 

CG  ** 

Calibration 
gas 
concentration 

(*For our maintenance purposes only) 

CG  40 

CG  84 

 

nEt  * 

The existence 
of a DeviceNet 
unit 

: Non-existent       1: Existent  nEt  0 

nEt  0 

0

 or 

F  *** 

Display of

value 

Calibration gas type in lower right of 
LCD 
f value in center of LCD 

(Depending on the sensor unit)

 

FL *** 

Displays rate 
of flow 

Shows the current rate of flow 
(mL/min) 

(Depending on the rate of flow) 

P  *** 

Sensor unit 
output 

(*For our maintenance purposes) 

--

 

At  * 

Auto 21vol% 
adjustment 

: Off    1: On

 

        -- 

A t        1 

0

 or 

Each 

time 
the UP

 swit

ch

 is

 press

ed,

 it

 wi
ll move 

dow

n t

he t
abl

to

 the nex

t it

em.
 

 

When t

he 
D

O

WN sw

itc

h

 is

 press

ed,
 it

 w

ill 

mov

e

 u

p

 on

e.

 

×××

 

 

Type of sensor unit (Normal display) 

(Depending on the sensor unit)

 

 

 

 

Summary of Contents for PS-7

Page 1: ... 5300 Fax www dodtec com Operate this unit only after reading and fully understanding the content of this manual This Operation Manual was written for administrator use Instructions for the basic operations of this unit are provided separately in the standard Operation Manual Refer to the Operation Manual when necessary For Administrators ...

Page 2: ...ettings Refer to 2 4 Changing the Alarm Settings 1 2 Releasing the Password Lock 1 Press these key switches in the following order 1 ZERO switch 2 UP switch 3 Special command switch 4 DOWN switch 2 The password lock is released when the POWER lamp green blinks once 3 The password lock is automatically reactivated 10 minutes after it has been released 1 2 3 4 POWER lamp green Blinks once Warning Im...

Page 3: ...creen will go off and the span adjustment will be completed 7 Remove the calibration gas check that the detected gas concentration is under that of the alarm value and restore to the normal mode by switching the maintenance switch to the center Toxic gas sensor unit CDS 7 Combustible gas sensor unit CHS 7 Pull back to open Left Maintenance 1 MNT1 Center Normal mode Right Maintenance 2 MNT2 TROUBLE...

Page 4: ...ttom right corner of the LCD screen will then disappear and the 21vol adjustment is complete 7 Remove the calibration gas and confirm that no alarm is displayed ALARM 1 ALARM 2 is not shown Then restore to the normal mode by switching the maintenance switch to the center Pull back to open Left Maintenance 1 MNT1 Center Normal mode Right Maintenance 2 MNT2 TROUBLE lamp yellow blinks MNT1 or MNT2 is...

Page 5: ...ock Refer to 1 2 Releasing the Password Lock 2 Press the UP DOWN switch U or V until the setting you wish to change LCD Screen Indication in the table below is displayed at the bottom right of the LCD display 3 Then press the special command switch and the setting to be changed LCD Screen Indication in the table below and will flash alternately Special command switch Setting to be changed UP DOWN ...

Page 6: ...ue rounded to the percent zs 5 zs 2 0 to 30 H H L L H L Alarm mode 1st upper limit 2nd upper limit warning 1st lower limit 2nd lower limit warning 1st upper limit 2nd lower limit warning H H L L H H L L H L Con Pyroletic converter failure alarm 0 Off 1 On Con 0 Con 0 0 or 1 CG Calibration gas concentration For our maintenance purposes only CG 40 CG 84 nEt The existence of a DeviceNet unit 0 Non ex...

Page 7: ...72 72 F S 0 to 100 F S Toxic CDS 7 Comb CHS 7 A2 20 20 F S A2 Oxygen COS 7 A2 76 76 F S 0 to 100 F S Pressing the AL switch changes to 1st level Æ 2nd levelÆ Normal display The A2 value should be greater than the A1 value in any case 3 Press the special command switch The setting to be changed and the indication will then flash alternately 4 Change the value by using the UP DOWN key U and V When y...

Page 8: ...vel alarm ALARM 1 ALARM 2 is displayed Alarm contact ZA1 and ZA2 are activated Alarm value is set by entering A1 0ppm Full Scale 2 nd level gas alarm ALARM 1 ALARM 2 is displayed Alarm contacts ZA1 and ZA2 are activated Alarm value is set by entering A2 1 st level gas alarm ALARM 1 is displayed Alarm contact ZA1 is activated Alarm value is set by entering A1 Upper alarm ALARM 2 is displayed Alarm ...

Page 9: ...able Contact the following address for ordering information Manufacturer New Cosmos Electric Co Ltd 2 5 4 Mitsuya naka Yodogawa ku Osaka 532 0036 Japan Phone 81 6 6309 1505 Fax 81 6 6309 1514 Distributor DOD Technologies Inc 740 McArdle Drive Unit C Crystal Lake IL 60014 Phone 815 788 5200 Fax 815 788 5200 www dodtec com ...

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