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Operating messages and Icon status
Message
Description
Temperature above the maximum
Ht
limit of the set point.
Temperature below the minimum limit
Lt
of the set point.
Probe short circuit, circuit open or without
PP
probe, or temperature > 99.9 C or <-10.0 C
Comp. Relay on/off
On/Off
Keypad locked/unlocked
On/Off
Time delay in progress
Flashing
17
Suggested Wiring Diagram
230V
RS485
1
3
4
5
6
+
-
PROBE
To SZ-N75
PHASE
NEUTRAL
Caution:Wiring for 230Vac load only
19
PANEL
GASKET
CONTROLLER
21
Parameter
P2
P3
0
0
SP, P4
LP
P6
RELAY
NO
NC
C
7
10
11
12
Side Lock
Technical data:
Housing
: Black, ABS Plastic
Front Cover
: Polycarbonate plastic.
Dimensions
: Front : 75 X 34.5 MM,
Depth : 71 MM (w/o back lid)
Panel Cutout : 29 X 71 mm
Mounting
: Flush panel mounting with fasteners
Frontal protection : I.P65
Connections : Screw terminal blocks.
< 2.5sqmm one wire/ terminal only.
Display
: 3 X17 mm (0.67") LED
Data storage : Non-volatile EEPROM memory
Power input
: 230Vac +/-15%,50-60Hz.
Other on request
O
O
Operating temp. : 5 C to 50 C(non-condensing).
O
O
Storage temp. : -20 C to 70 C(non-condensing).
RS485 Connectivity : Modbus RTU Protocol
Baud Rate : 9600
Device ID : 1 (By Default)
Output
: 1 SPDT relay 8 (3)A, 250Vac.
Input
: NTC probe, SZ-T75
O
O
Range
: -50.0 C to 50.0 C
O
Resolution
: 0.1 C
O
Accuracy
: +/- 1 C
O
Probe tolerance at 25 C : +/- 0.3 C
18
Suggested Wiring Diagram
12V
ac/dc
RS485
1
3
4
5
6
+
-
PROBE
To SZ-N75
PHASE
NEUTRAL
20
2
4
3
1
19mm
71mm
SZ-7510-C
22
O
RELAY
NO
NC
C
7
10
11
12
MAX
10mm
34.5mm
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