Grant 2020 Serie Mode D'emploi page 19

Sensor Power Wiring
Unregulated Logger
Supply Output
Regulated 5V Output
I/O Socket Wiring
ALARM
O/P
SLOW PULSE
I/P 1-2
External Memory Card Reader
The external SD card slot is located inside the battery
compartment.
SQ2020/40
Block E
Negative
EVENT/STATE
I/P 1-8
-ve
FAST PULSE
Auxiliary Output
I/P 1-2 Max. 500mA
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High Voltage Input
Block F
V1(+ve)
V1(-ve)
Pin
PIN 1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
+ve
22
23
24
25
V2(-ve)
V2(+ve)
Connection
Event/State Input 1
Event/State Input 2
Event/State Input 3
Event/State Input 4
Event/State Input 5
Event/State Input 6
Event/State Input 7
Event/State Input 8
Ground
Alarm Output A
Alarm Output B
Alarm Output C
Alarm Output D
Auxiliary Output +ve
Auxiliary Output +ve
Auxiliary Output -ve
Auxiliary Output -ve
Ground
Ground
Ground
Fast Pulse Input 1
Fast Pulse Input 2
Slow Pulse Input 1
Slow Pulse Input 2
No Connection
18108 Version 17
Page 18
EN