About IS420UCSBH1A GEH-6725 mark VIe and mark v data

About IS420UCSBH1A GEH-6725 mark VIe and mark v data

Safety Symbol Legend

Indicates a procedure or condition that, if not strictly observed, could result in personal injury or death.

Indicates a procedure or condition that, if not strictly observed, could result in damage to or destruction of equipment.

Indicates a procedure or condition that should be strictly followed to improve these applications.

Hazardous Location Safety Warnings

Explosion hazard – do not connect or disconnect modules, connectors, cables, or terminal board wiring while circuits are energized unless the area is known to be non-hazardous.

Explosion hazard – substitution of any components may impair suitability for Class I, Division 2.

Do not assume any cable or circuitry is without power if one end of that cable could be connected to a power source. To prevent accidental electrical shock, do not touch any circuitry or bare wire without first ensuring that it does not carry electricity. When testing for the presence of electricity and when measuring any electrical circuit, use only the equipment approved for contact with those voltage levels.

Power Distribution Instructions

The equipment listed in this chapter is certified for use in certain specified hazardous (classified) locations. Follow all applicable instructions in Conditions of Safe Use and within the specific section for each piece of equipment for proper use of this equipment in these locations.

Overview

Control power for Mark VIe equipment is distributed from the power supplies to the controllers, Ethernet switches, and I/O modules through a system of wire harnesses (refer to the tables in the following sections), and power distribution boards (JPDx).

TMR Control Power using JPDS

A power distribution system using the JPDS power distribution board supports up to three independent control power supply buses: R, S, and T. Following are specific instructions for these connections: 

• Up to three 24 or 28 V dc, 20 A control power supplies (R, S, T) may be connected to the JPDS board using wire harness type A. The power supplies are connected to the mains supply. 

• An optional PPDA module is used with the JPDS to monitor the health of the power distribution system. It is connected directly to I/O connector JA1, and to power supply connector P4 using wire harness type E. 

• The JPDS board supplies R, S, and T power from connectors JAR, JAS, and JAT to controllers using wire harness type B or Ethernet switches using wire harness type C. Connectors JCR, JCS, and JCT are not used because these outputs are not current limited. 

• The JPDS board may feed up to six JPDH boards using wire harness type D. 

• The JPDH board fans out control power for up to eight R, S, and T (each) modules using wire harness type E. The R, S, and T control power buses can be extended to another JPDH from connector J1X using wire harness type D. Connectors JRS, JSS, and JTS are not used because these outputs are not current limited. 

• The JPDE board can be used to provide redundantly sourced I/O wetting power via outputs JS1-3 and JFA-C. The I/O wetting power can be further fused and distributed to I/O terminal boards using the JPDD I/O wetting branch power distribution. Refer to the example diagram and cable table.

Dual Control Power and I/O Wetting Power using JPDG

A power distribution system using the JPDG power distribution board supports a redundantly fed Mark VIe control power supply and a redundantly fed I/O wetting power supply. Following are specific instructions for these connections: • Two 24 or 28 V dc, 40 A control power supplies may be connected to the JPDG board using wire harness type LG. The power supplies are connected to the mains supply. 

• Two 24 or 48 V dc, 40 A I/O wetting power supplies may be connected to the JPDG board using wire harness type JF. The power supplies are connected to the mains supply. 

• An optional PPDA module is used with the JPDG to monitor the health of the power distribution system. It is connected directly to I/O connector JA1 and to power supply connector JDx using wire harness type RD. • The JPDG board supplies R, S, and T power from connectors JC1-JC4 and JD1-JD5 to UCSC Mark VIe controllers and IONet switches using wire harness type EG. 

• The JPDG may feed up to four JPDH boards through J1-J4 using wire harness type JB

• The JPDG may feed I/O wetting power for up to 7 I/O terminal boards through JFA – JFG using wire harness type EN.

• The JPDH board fans out control power for up to eight R, S, and T (each) modules using wire harness type RD. The R, S, and T control power buses can be extended to another JPDH from connector J1X using wire harness type EH. • The JPDD board can be used to add fused, switched I/O wetting power branches to individual I/O terminal boards. From JPDG, JFx to JPDD J28, use harness type JG.

JPDD I/O Wetting Branch Power Distribution

The IS41yJPDDG#A I/O wetting power distribution boards are approved for use in hazardous locations.

Do not change fuses or operate power distribution switches while circuits are energized unless the area is known to be non-hazardous.