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CHAPTER 4: MOTOR MANAGEMENT & METERING THE 269/269 PLUS MOTOR MANAGEMENT RELAY
RTT DESKTOP TEST SET– INSTRUCTION MANUAL
75
4.3.3
RTT to 269 Wiring Diagram
1.
Ensure that Wet/Dry Input Type switch is set to
DRY
before applying power to the RTT
unit. The 269/269 Plus Relay accepts only
DRY
contact connections to the RTT.
2.
Ensure that current and voltage knobs are turned fully counter-clockwise before
applying power to the RTT unit.
Note
*Trip and Alarm Common terminals (30 and 33) must be hardwired together.
**The 269/269 Plus Relay doesn’t have Voltage Input function.
Table 4–3: 269/269 Plus Relay with RTT Set to Dry
RTDs
RTD3+
9
-------------------------
RTD3 +
RTD3-
11
-------------------------
RTD3 -
RTD3 COM
10
-------------------------
RTD3 C
RTD2+
5
-------------------------
RTD2 +
RTD2-
7
-------------------------
RTD2 -
RTD2 COM
6
-------------------------
RTD2 C
RTD1+
1
-------------------------
RTD1 +
RTD1-
3
-------------------------
RTD1 -
RTD1 COM
2
-------------------------
RTD1 C
SPARE
Contact
Outputs*
ALARM COMMON
33
---------------
RTT
TRIP COMMON
30
-------------------------
OUTPUT C
ALARM NO
34
-------------------------
OUTPUT 2
TRIP NO
29
-------------------------
OUTPUT
1
Contact
(Digital)
Inputs
Input Common
44
-------------------------
INPUT C
INPUT 8
INPUT 7
External Reset
57
-------------------------
INPUT 6
Emergency Restart
55
-------------------------
INPUT 5
Access
53
-------------------------
INPUT 4
Speed Switch
51
-------------------------
INPUT 3
Differential Input
49
-------------------------
INPUT 2
Spare Input
45
-------------------------
INPUT
1
CTs
Phase A (1A)
83
-------------------------
I
+
Phase A COM
82
-------------------------
I
-
VTs**
V
+
V
-