4. Cabling
JCY-1800/1850 VDR/S-VDR Installation Guide
76
DOC No. 7ZPJD0387C
4.3. Cabling of the Digital Signal Converter NCT-72 / 63 (VDR option)
The following cables are connected to the Digital Signal Converter (DSC).
1) A data cable between Non voltage Digital Signal Converters and the DSC
2) A serial data cable between the DSC and the RCU
3) Power Supply cable
4.3.1. Digital Signal Converter NCT-72/63 – Dry contacts output Equipments
The Digital Signal Converters are connected to sensors that output dry contact signals.
• NCT-72 has 64 ports for inputting Dry contact data.
• NCT-63 has 16 ports for inputting Dry Contact data. (not installed TB2, 3, 4)
Connection table for sensors: ch1 ~ ch16 (NCT-72 and NCT-63)
DSC
Term #
Sensor
Term #
Signal Name
CQD-2081/2012
TB1 [CH-1 to 16]
1/3/5/7/9/11/13/15/17/19/21/2
3/25/27/29/31 [IN+]
OUT+ Dry Contact Signal:
2/4/6/8/10/12/14/16/18/20/22/
24/26/28/30/32 [IN-]
OUT- Dry Contact Signal:
[IN-] line is commonly shared by all.
Cable Cramp SHIELD SHIELD
Connection table for sensors: ch17 ~ ch32 (NCT-72 only)
DSC
Term #
Sensor
Term #
Signal Name
CQD-2081/2012
TB2 [CH-17 to 32]
31/29/27/25/23/21/19/17/15/13
/11/9/7/5/3/1 [IN+]
OUT+ Dry Contact Signal:
32/30/28/26/24/22/20/18/16/14
/12/10/8/6/4/2 [IN-]
OUT- Dry Contact Signal:
[IN-] line is commonly shared by all.
Cable Cramp SHIELD SHIELD
Connection table for sensors: ch33 ~ ch48 (NCT-72 only)
DSC
Term #
Sensor
Term #
Signal Name
CQD-2081/2012
TB3 [CH-33 to 48]
1/3/5/7/9/11/13/15/17/19/21/2
3/25/27/29/31 [IN+]
OUT+ Dry Contact Signal:
2/4/6/8/10/12/14/16/18/20/22/
24/26/28/30/32 [IN-]
OUT- Dry Contact Signal:
[IN-] line is commonly shared by all.
Cable Cramp SHIELD SHIELD
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