1.- VERIFICATION UPON RECEPTION
Check the following points when you receive the unit:
a) The unit meets the specifications described in your order.
b) The unit has not suffered any damage during transport.
c) Perform an external visual inspection of the unit prior to switching it on.
d) Check that it has been delivered with the following:
- An installation guide,
- Four retainers for rear attachment of the unit,
- 2 connection terminals.
- Labels with the measuring units.
If any problem is noticed upon reception, immediately contact the transport com-
pany and/or
CIRCUTOR's
after-sales service.
2.- PRODUCT DESCRIPTION
The
DHB-4xx
is a programmable panel unit that measures: standard analogue signals sent by sensors,
temperature (RTD and Thermocouple), resistance, and current time.
There are 2 versions of the unit depending on the number of alarms and whether the unit has com-
munications.
DHB-402,
with 2 alarm relays.
DHB-424,
with 4 alarm relays, 2 analogue outputs and communications RS-485.
The unit features:
- 4 buttons
that allow you to browse between the various screens and program the unit.
- Inputs
to measure analogue voltage, current and temperature signals.
- LCD Display
, which displays all the parameters.
- 2 alarm relays
, fully programmable (
DHB-402
model).
- 2 analogue outputs
, fully programmable. (
DHB-424
model).
- 4 alarm relays
, fully programmable (
DHB-424
model).
- RS-485
communications, MODBUS RTU©. (
DHB-424
model).
-
1 open collector output
, NPN (
DHB-424
model).
6
DHB-402 DHB-424
Instruction Manual
