User manual - METER SRP-457
“PEA”
- minimal detected signal change classified as peak or drop (see Figure 6.3)
“timE”
- maximum time of displaying of the peak (drop) value, can be set from 0.0 to 19.9
sec, with 0.1 sec. resolution. If „
HdiS
”=”
HOLD
” then setting parameter
"timE"
=
0.0
causes holding peak value until
[ESC]
button is pressed.
If „
HdiS
”=”
rEAL
” then
value
"timE"
=
0.0
means no holding.
“HdiS”
- type of displayed values:
”rEAL”
- current value is displayed,
”HOLd”
- peak (drop) value is displayed,
“H r1” ÷ “H r4”
- relay/LED outputs ( R1÷R4) operation mode:
”rEAL”
-relay/LED operates depend on the current value,
”HOLd”
- relay/LED operates depend on the peak (drop) value.
7.3.6.
”SECu” menu
This menu contains presets connected with availability of other parameters:
“Scod”
- user password (4-digits number). If this parameter is set at value
“0000”
, user
password is turned off.
If the user do not remember his password, the access to the menu is possible
by the “one-use password”. To get this password please contact with
Marketing Division. “Single use password” can be used only one time, after
that it is destroyed. Entering this password causes in clearing of user
password, it means sets the user password to „0000”.
The “one-use password” can be used
ONE TIME ONLY
, it is impossible to use it
again! The “one-use password” can be restored by Service Division only.
“A r1 ÷ A r4”
- this option permits user (
”on”
) or prohibits (
”oFF”
) to modify the thresholds of
the relays/LEDs R1 ÷ R4 without knowledge about user password.
7.3.7.
”rS” menu
This menu is connected with RS-485 interface, and sets his properties:
”Addr”
- this parameter defines the address of the device, accordingly to Modbus protocol.
It can be set in range from 0 to 199. If the value 0 is set then device, responds to
frames with address 255 (FFh).
”bAud”
- this parameter determines RS-485 interface baud rate. It can be set to one of 8
possible values:
”1.2”
,
”2.4”
,
”4.8”,
”9.6”
,
”19.2”
,
”38.4”
,
”57.6”
,
”115.2”
, which
respond to the baud rates of 1200, 2400, 4800, 9600, 19200, 38400, 57600 and
115200 bit/s respectively.
30
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